3206 lines
116 KiB
Ruby
3206 lines
116 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Database::MigrationHelpers do
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include Database::TableSchemaHelpers
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include Database::TriggerHelpers
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let(:model) do
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ActiveRecord::Migration.new.extend(described_class)
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end
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before do
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allow(model).to receive(:puts)
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end
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describe 'overridden dynamic model helpers' do
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let(:test_table) { '__test_batching_table' }
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before do
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model.connection.execute(<<~SQL)
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CREATE TABLE #{test_table} (
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id integer NOT NULL PRIMARY KEY,
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name text NOT NULL
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);
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INSERT INTO #{test_table} (id, name)
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VALUES (1, 'bob'), (2, 'mary'), (3, 'amy');
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SQL
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end
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describe '#define_batchable_model' do
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it 'defines a batchable model with the migration connection' do
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expect(model.define_batchable_model(test_table).count).to eq(3)
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end
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end
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describe '#each_batch' do
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before do
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allow(model).to receive(:transaction_open?).and_return(false)
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end
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it 'calls each_batch with the migration connection' do
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each_batch_name = ->(&block) do
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model.each_batch(test_table, of: 2) do |batch|
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block.call(batch.pluck(:name))
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end
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end
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expect { |b| each_batch_name.call(&b) }.to yield_successive_args(%w[bob mary], %w[amy])
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end
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end
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describe '#each_batch_range' do
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before do
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allow(model).to receive(:transaction_open?).and_return(false)
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end
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it 'calls each_batch with the migration connection' do
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expect { |b| model.each_batch_range(test_table, of: 2, &b) }.to yield_successive_args([1, 2], [3, 3])
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end
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end
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end
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describe '#remove_timestamps' do
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it 'can remove the default timestamps' do
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Gitlab::Database::MigrationHelpers::DEFAULT_TIMESTAMP_COLUMNS.each do |column_name|
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expect(model).to receive(:remove_column).with(:foo, column_name)
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end
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model.remove_timestamps(:foo)
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end
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it 'can remove custom timestamps' do
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expect(model).to receive(:remove_column).with(:foo, :bar)
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model.remove_timestamps(:foo, columns: [:bar])
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end
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end
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describe '#add_timestamps_with_timezone' do
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it 'adds "created_at" and "updated_at" fields with the "datetime_with_timezone" data type' do
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Gitlab::Database::MigrationHelpers::DEFAULT_TIMESTAMP_COLUMNS.each do |column_name|
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expect(model).to receive(:add_column)
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.with(:foo, column_name, :datetime_with_timezone, { default: nil, null: false })
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end
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model.add_timestamps_with_timezone(:foo)
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end
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it 'can disable the NOT NULL constraint' do
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Gitlab::Database::MigrationHelpers::DEFAULT_TIMESTAMP_COLUMNS.each do |column_name|
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expect(model).to receive(:add_column)
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.with(:foo, column_name, :datetime_with_timezone, { default: nil, null: true })
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end
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model.add_timestamps_with_timezone(:foo, null: true)
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end
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it 'can add just one column' do
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expect(model).to receive(:add_column).with(:foo, :created_at, :datetime_with_timezone, anything)
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expect(model).not_to receive(:add_column).with(:foo, :updated_at, :datetime_with_timezone, anything)
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model.add_timestamps_with_timezone(:foo, columns: [:created_at])
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end
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it 'can add choice of acceptable columns' do
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expect(model).to receive(:add_column).with(:foo, :created_at, :datetime_with_timezone, anything)
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expect(model).to receive(:add_column).with(:foo, :deleted_at, :datetime_with_timezone, anything)
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expect(model).to receive(:add_column).with(:foo, :processed_at, :datetime_with_timezone, anything)
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expect(model).not_to receive(:add_column).with(:foo, :updated_at, :datetime_with_timezone, anything)
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model.add_timestamps_with_timezone(:foo, columns: [:created_at, :deleted_at, :processed_at])
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end
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it 'cannot add unacceptable column names' do
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expect do
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model.add_timestamps_with_timezone(:foo, columns: [:bar])
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end.to raise_error %r/Illegal timestamp column name/
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end
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end
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describe '#create_table_with_constraints' do
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let(:table_name) { :test_table }
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let(:column_attributes) do
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[
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{ name: 'id', sql_type: 'bigint', null: false, default: nil },
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{ name: 'created_at', sql_type: 'timestamp with time zone', null: false, default: nil },
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{ name: 'updated_at', sql_type: 'timestamp with time zone', null: false, default: nil },
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{ name: 'some_id', sql_type: 'integer', null: false, default: nil },
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{ name: 'active', sql_type: 'boolean', null: false, default: 'true' },
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{ name: 'name', sql_type: 'text', null: true, default: nil }
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]
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end
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before do
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allow(model).to receive(:transaction_open?).and_return(true)
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end
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context 'when no check constraints are defined' do
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it 'creates the table as expected' do
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model.create_table_with_constraints table_name do |t|
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t.timestamps_with_timezone
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t.integer :some_id, null: false
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t.boolean :active, null: false, default: true
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t.text :name
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end
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expect_table_columns_to_match(column_attributes, table_name)
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end
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end
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context 'when check constraints are defined' do
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context 'when the text_limit is explicity named' do
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it 'creates the table as expected' do
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model.create_table_with_constraints table_name do |t|
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t.timestamps_with_timezone
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t.integer :some_id, null: false
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t.boolean :active, null: false, default: true
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t.text :name
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t.text_limit :name, 255, name: 'check_name_length'
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t.check_constraint :some_id_is_positive, 'some_id > 0'
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end
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expect_table_columns_to_match(column_attributes, table_name)
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expect_check_constraint(table_name, 'check_name_length', 'char_length(name) <= 255')
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expect_check_constraint(table_name, 'some_id_is_positive', 'some_id > 0')
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end
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end
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context 'when the text_limit is not named' do
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it 'creates the table as expected, naming the text limit' do
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model.create_table_with_constraints table_name do |t|
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t.timestamps_with_timezone
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t.integer :some_id, null: false
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t.boolean :active, null: false, default: true
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t.text :name
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t.text_limit :name, 255
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t.check_constraint :some_id_is_positive, 'some_id > 0'
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end
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expect_table_columns_to_match(column_attributes, table_name)
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expect_check_constraint(table_name, 'check_cda6f69506', 'char_length(name) <= 255')
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expect_check_constraint(table_name, 'some_id_is_positive', 'some_id > 0')
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end
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end
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it 'runs the change within a with_lock_retries' do
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expect(model).to receive(:with_lock_retries).ordered.and_yield
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expect(model).to receive(:create_table).ordered.and_call_original
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expect(model).to receive(:execute).with(<<~SQL).ordered
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ALTER TABLE "#{table_name}"\nADD CONSTRAINT "check_cda6f69506" CHECK (char_length("name") <= 255)
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SQL
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model.create_table_with_constraints table_name do |t|
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t.text :name
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t.text_limit :name, 255
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end
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end
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context 'when with_lock_retries re-runs the block' do
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it 'only creates constraint for unique definitions' do
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expected_sql = <<~SQL
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ALTER TABLE "#{table_name}"\nADD CONSTRAINT "check_cda6f69506" CHECK (char_length("name") <= 255)
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SQL
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expect(model).to receive(:create_table).twice.and_call_original
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expect(model).to receive(:execute).with(expected_sql).and_raise(ActiveRecord::LockWaitTimeout)
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expect(model).to receive(:execute).with(expected_sql).and_call_original
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model.create_table_with_constraints table_name do |t|
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t.timestamps_with_timezone
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t.integer :some_id, null: false
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t.boolean :active, null: false, default: true
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t.text :name
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t.text_limit :name, 255
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end
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expect_table_columns_to_match(column_attributes, table_name)
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expect_check_constraint(table_name, 'check_cda6f69506', 'char_length(name) <= 255')
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end
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end
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context 'when constraints are given invalid names' do
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let(:expected_max_length) { described_class::MAX_IDENTIFIER_NAME_LENGTH }
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let(:expected_error_message) { "The maximum allowed constraint name is #{expected_max_length} characters" }
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context 'when the explicit text limit name is not valid' do
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it 'raises an error' do
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too_long_length = expected_max_length + 1
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expect do
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model.create_table_with_constraints table_name do |t|
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t.timestamps_with_timezone
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t.integer :some_id, null: false
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t.boolean :active, null: false, default: true
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t.text :name
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t.text_limit :name, 255, name: ('a' * too_long_length)
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t.check_constraint :some_id_is_positive, 'some_id > 0'
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end
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end.to raise_error(expected_error_message)
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end
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end
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context 'when a check constraint name is not valid' do
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it 'raises an error' do
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too_long_length = expected_max_length + 1
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expect do
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model.create_table_with_constraints table_name do |t|
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t.timestamps_with_timezone
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t.integer :some_id, null: false
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t.boolean :active, null: false, default: true
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t.text :name
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t.text_limit :name, 255
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t.check_constraint ('a' * too_long_length), 'some_id > 0'
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end
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end.to raise_error(expected_error_message)
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end
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end
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end
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end
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end
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describe '#add_concurrent_index' do
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context 'outside a transaction' do
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before do
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allow(model).to receive(:transaction_open?).and_return(false)
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allow(model).to receive(:disable_statement_timeout).and_call_original
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end
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it 'creates the index concurrently' do
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expect(model).to receive(:add_index)
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.with(:users, :foo, algorithm: :concurrently)
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model.add_concurrent_index(:users, :foo)
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end
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it 'creates unique index concurrently' do
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expect(model).to receive(:add_index)
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.with(:users, :foo, { algorithm: :concurrently, unique: true })
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model.add_concurrent_index(:users, :foo, unique: true)
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end
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context 'when the index exists and is valid' do
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before do
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model.add_index :users, :id, unique: true
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end
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it 'does leaves the existing index' do
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expect(model).to receive(:index_exists?)
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.with(:users, :id, { algorithm: :concurrently, unique: true }).and_call_original
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expect(model).not_to receive(:remove_index)
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expect(model).not_to receive(:add_index)
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model.add_concurrent_index(:users, :id, unique: true)
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end
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end
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context 'when an invalid copy of the index exists' do
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before do
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model.add_index :users, :id, unique: true, name: index_name
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model.connection.execute(<<~SQL)
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UPDATE pg_index
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SET indisvalid = false
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WHERE indexrelid = '#{index_name}'::regclass
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SQL
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end
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context 'when the default name is used' do
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let(:index_name) { model.index_name(:users, :id) }
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it 'drops and recreates the index' do
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expect(model).to receive(:index_exists?)
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.with(:users, :id, { algorithm: :concurrently, unique: true }).and_call_original
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expect(model).to receive(:index_invalid?).with(index_name, schema: nil).and_call_original
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expect(model).to receive(:remove_concurrent_index_by_name).with(:users, index_name)
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expect(model).to receive(:add_index)
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.with(:users, :id, { algorithm: :concurrently, unique: true })
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model.add_concurrent_index(:users, :id, unique: true)
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end
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end
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context 'when a custom name is used' do
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let(:index_name) { 'my_test_index' }
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it 'drops and recreates the index' do
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expect(model).to receive(:index_exists?)
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.with(:users, :id, { algorithm: :concurrently, unique: true, name: index_name }).and_call_original
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expect(model).to receive(:index_invalid?).with(index_name, schema: nil).and_call_original
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expect(model).to receive(:remove_concurrent_index_by_name).with(:users, index_name)
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expect(model).to receive(:add_index)
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.with(:users, :id, { algorithm: :concurrently, unique: true, name: index_name })
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model.add_concurrent_index(:users, :id, unique: true, name: index_name)
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end
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end
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context 'when a qualified table name is used' do
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let(:other_schema) { 'foo_schema' }
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let(:index_name) { 'my_test_index' }
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let(:table_name) { "#{other_schema}.users" }
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before do
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model.connection.execute(<<~SQL)
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CREATE SCHEMA #{other_schema};
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ALTER TABLE users SET SCHEMA #{other_schema};
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SQL
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end
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it 'drops and recreates the index' do
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expect(model).to receive(:index_exists?)
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.with(table_name, :id, { algorithm: :concurrently, unique: true, name: index_name }).and_call_original
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expect(model).to receive(:index_invalid?).with(index_name, schema: other_schema).and_call_original
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expect(model).to receive(:remove_concurrent_index_by_name).with(table_name, index_name)
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expect(model).to receive(:add_index)
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.with(table_name, :id, { algorithm: :concurrently, unique: true, name: index_name })
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model.add_concurrent_index(table_name, :id, unique: true, name: index_name)
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end
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end
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end
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it 'unprepares the async index creation' do
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expect(model).to receive(:add_index)
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.with(:users, :foo, algorithm: :concurrently)
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expect(model).to receive(:unprepare_async_index)
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.with(:users, :foo, algorithm: :concurrently)
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model.add_concurrent_index(:users, :foo)
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end
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end
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context 'inside a transaction' do
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it 'raises RuntimeError' do
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expect(model).to receive(:transaction_open?).and_return(true)
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expect { model.add_concurrent_index(:users, :foo) }
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.to raise_error(RuntimeError)
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end
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end
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end
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describe '#remove_concurrent_index' do
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context 'outside a transaction' do
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before do
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allow(model).to receive(:transaction_open?).and_return(false)
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allow(model).to receive(:index_exists?).and_return(true)
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allow(model).to receive(:disable_statement_timeout).and_call_original
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end
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describe 'by column name' do
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it 'removes the index concurrently' do
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expect(model).to receive(:remove_index)
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.with(:users, { algorithm: :concurrently, column: :foo })
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model.remove_concurrent_index(:users, :foo)
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end
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it 'does nothing if the index does not exist' do
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expect(model).to receive(:index_exists?)
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.with(:users, :foo, { algorithm: :concurrently, unique: true }).and_return(false)
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expect(model).not_to receive(:remove_index)
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model.remove_concurrent_index(:users, :foo, unique: true)
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end
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it 'unprepares the async index creation' do
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expect(model).to receive(:remove_index)
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.with(:users, { algorithm: :concurrently, column: :foo })
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expect(model).to receive(:unprepare_async_index)
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.with(:users, :foo, { algorithm: :concurrently })
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model.remove_concurrent_index(:users, :foo)
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end
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describe 'by index name' do
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before do
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allow(model).to receive(:index_exists_by_name?).with(:users, "index_x_by_y").and_return(true)
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end
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it 'removes the index concurrently by index name' do
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expect(model).to receive(:remove_index)
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.with(:users, { algorithm: :concurrently, name: "index_x_by_y" })
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model.remove_concurrent_index_by_name(:users, "index_x_by_y")
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end
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it 'does nothing if the index does not exist' do
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expect(model).to receive(:index_exists_by_name?).with(:users, "index_x_by_y").and_return(false)
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expect(model).not_to receive(:remove_index)
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model.remove_concurrent_index_by_name(:users, "index_x_by_y")
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end
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it 'removes the index with keyword arguments' do
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expect(model).to receive(:remove_index)
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.with(:users, { algorithm: :concurrently, name: "index_x_by_y" })
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model.remove_concurrent_index_by_name(:users, name: "index_x_by_y")
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end
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it 'raises an error if the index is blank' do
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expect do
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model.remove_concurrent_index_by_name(:users, wrong_key: "index_x_by_y")
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end.to raise_error 'remove_concurrent_index_by_name must get an index name as the second argument'
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end
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it 'unprepares the async index creation' do
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expect(model).to receive(:remove_index)
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.with(:users, { algorithm: :concurrently, name: "index_x_by_y" })
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expect(model).to receive(:unprepare_async_index_by_name)
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.with(:users, "index_x_by_y", { algorithm: :concurrently })
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model.remove_concurrent_index_by_name(:users, "index_x_by_y")
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end
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end
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end
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end
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context 'inside a transaction' do
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it 'raises RuntimeError' do
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expect(model).to receive(:transaction_open?).and_return(true)
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expect { model.remove_concurrent_index(:users, :foo) }
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.to raise_error(RuntimeError)
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end
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end
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end
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describe '#remove_foreign_key_if_exists' do
|
|
context 'when the foreign key does not exist' do
|
|
before do
|
|
allow(model).to receive(:foreign_key_exists?).and_return(false)
|
|
end
|
|
|
|
it 'does nothing' do
|
|
expect(model).not_to receive(:remove_foreign_key)
|
|
|
|
model.remove_foreign_key_if_exists(:projects, :users, column: :user_id)
|
|
end
|
|
end
|
|
|
|
context 'when the foreign key exists' do
|
|
before do
|
|
allow(model).to receive(:foreign_key_exists?).and_return(true)
|
|
end
|
|
|
|
it 'removes the foreign key' do
|
|
expect(model).to receive(:remove_foreign_key).with(:projects, :users, { column: :user_id })
|
|
|
|
model.remove_foreign_key_if_exists(:projects, :users, column: :user_id)
|
|
end
|
|
|
|
context 'when the target table is not given' do
|
|
it 'passes the options as the second parameter' do
|
|
expect(model).to receive(:remove_foreign_key).with(:projects, { column: :user_id })
|
|
|
|
model.remove_foreign_key_if_exists(:projects, column: :user_id)
|
|
end
|
|
end
|
|
|
|
context 'when the reverse_lock_order option is given' do
|
|
it 'requests for lock before removing the foreign key' do
|
|
expect(model).to receive(:transaction_open?).and_return(true)
|
|
expect(model).to receive(:execute).with(/LOCK TABLE users, projects/)
|
|
expect(model).not_to receive(:remove_foreign_key).with(:projects, :users)
|
|
|
|
model.remove_foreign_key_if_exists(:projects, :users, column: :user_id, reverse_lock_order: true)
|
|
end
|
|
|
|
context 'when not inside a transaction' do
|
|
it 'does not lock' do
|
|
expect(model).to receive(:transaction_open?).and_return(false)
|
|
expect(model).not_to receive(:execute).with(/LOCK TABLE users, projects/)
|
|
expect(model).to receive(:remove_foreign_key).with(:projects, :users, { column: :user_id })
|
|
|
|
model.remove_foreign_key_if_exists(:projects, :users, column: :user_id, reverse_lock_order: true)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#add_concurrent_foreign_key' do
|
|
before do
|
|
allow(model).to receive(:foreign_key_exists?).and_return(false)
|
|
end
|
|
|
|
context 'inside a transaction' do
|
|
it 'raises an error' do
|
|
expect(model).to receive(:transaction_open?).and_return(true)
|
|
|
|
expect do
|
|
model.add_concurrent_foreign_key(:projects, :users, column: :user_id)
|
|
end.to raise_error(RuntimeError)
|
|
end
|
|
end
|
|
|
|
context 'outside a transaction' do
|
|
before do
|
|
allow(model).to receive(:transaction_open?).and_return(false)
|
|
end
|
|
|
|
context 'target column' do
|
|
it 'defaults to (id) when no custom target column is provided' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
expect(model).to receive(:execute).with(/REFERENCES users \(id\)/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users,
|
|
column: :user_id)
|
|
end
|
|
|
|
it 'references the custom taget column when provided' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
expect(model).to receive(:execute).with(/REFERENCES users \(id_convert_to_bigint\)/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users,
|
|
column: :user_id,
|
|
target_column: :id_convert_to_bigint)
|
|
end
|
|
end
|
|
|
|
context 'ON DELETE statements' do
|
|
context 'on_delete: :nullify' do
|
|
it 'appends ON DELETE SET NULL statement' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
expect(model).to receive(:execute).with(/ON DELETE SET NULL/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users,
|
|
column: :user_id,
|
|
on_delete: :nullify)
|
|
end
|
|
end
|
|
|
|
context 'on_delete: :cascade' do
|
|
it 'appends ON DELETE CASCADE statement' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
expect(model).to receive(:execute).with(/ON DELETE CASCADE/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users,
|
|
column: :user_id,
|
|
on_delete: :cascade)
|
|
end
|
|
end
|
|
|
|
context 'on_delete: nil' do
|
|
it 'appends no ON DELETE statement' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
expect(model).not_to receive(:execute).with(/ON DELETE/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users,
|
|
column: :user_id,
|
|
on_delete: nil)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when no custom key name is supplied' do
|
|
it 'creates a concurrent foreign key and validates it' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/NOT VALID/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users, column: :user_id)
|
|
end
|
|
|
|
it 'does not create a foreign key if it exists already' do
|
|
name = model.concurrent_foreign_key_name(:projects, :user_id)
|
|
expect(model).to receive(:foreign_key_exists?).with(:projects, :users,
|
|
column: :user_id,
|
|
on_delete: :cascade,
|
|
name: name,
|
|
primary_key: :id).and_return(true)
|
|
|
|
expect(model).not_to receive(:execute).with(/ADD CONSTRAINT/)
|
|
expect(model).to receive(:execute).with(/VALIDATE CONSTRAINT/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users, column: :user_id)
|
|
end
|
|
end
|
|
|
|
context 'when a custom key name is supplied' do
|
|
context 'for creating a new foreign key for a column that does not presently exist' do
|
|
it 'creates a new foreign key' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/NOT VALID/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT.+foo/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users, column: :user_id, name: :foo)
|
|
end
|
|
end
|
|
|
|
context 'for creating a duplicate foreign key for a column that presently exists' do
|
|
context 'when the supplied key name is the same as the existing foreign key name' do
|
|
it 'does not create a new foreign key' do
|
|
expect(model).to receive(:foreign_key_exists?).with(:projects, :users,
|
|
name: :foo,
|
|
primary_key: :id,
|
|
on_delete: :cascade,
|
|
column: :user_id).and_return(true)
|
|
|
|
expect(model).not_to receive(:execute).with(/ADD CONSTRAINT/)
|
|
expect(model).to receive(:execute).with(/VALIDATE CONSTRAINT/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users, column: :user_id, name: :foo)
|
|
end
|
|
end
|
|
|
|
context 'when the supplied key name is different from the existing foreign key name' do
|
|
it 'creates a new foreign key' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/NOT VALID/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT.+bar/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users, column: :user_id, name: :bar)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe 'validate option' do
|
|
let(:args) { [:projects, :users] }
|
|
let(:options) { { column: :user_id, on_delete: nil } }
|
|
|
|
context 'when validate is supplied with a falsey value' do
|
|
it_behaves_like 'skips validation', validate: false
|
|
it_behaves_like 'skips validation', validate: nil
|
|
end
|
|
|
|
context 'when validate is supplied with a truthy value' do
|
|
it_behaves_like 'performs validation', validate: true
|
|
it_behaves_like 'performs validation', validate: :whatever
|
|
end
|
|
|
|
context 'when validate is not supplied' do
|
|
it_behaves_like 'performs validation', {}
|
|
end
|
|
end
|
|
|
|
context 'when the reverse_lock_order flag is set' do
|
|
it 'explicitly locks the tables in target-source order', :aggregate_failures do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
expect(model).to receive(:execute).with('LOCK TABLE users, projects IN SHARE ROW EXCLUSIVE MODE')
|
|
expect(model).to receive(:execute).with(/REFERENCES users \(id\)/)
|
|
|
|
model.add_concurrent_foreign_key(:projects, :users, column: :user_id, reverse_lock_order: true)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#validate_foreign_key' do
|
|
context 'when name is provided' do
|
|
it 'does not infer the foreign key constraint name' do
|
|
expect(model).to receive(:foreign_key_exists?).with(:projects, name: :foo).and_return(true)
|
|
|
|
aggregate_failures do
|
|
expect(model).not_to receive(:concurrent_foreign_key_name)
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/ALTER TABLE projects VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
end
|
|
|
|
model.validate_foreign_key(:projects, :user_id, name: :foo)
|
|
end
|
|
end
|
|
|
|
context 'when name is not provided' do
|
|
it 'infers the foreign key constraint name' do
|
|
expect(model).to receive(:foreign_key_exists?).with(:projects, name: anything).and_return(true)
|
|
|
|
aggregate_failures do
|
|
expect(model).to receive(:concurrent_foreign_key_name)
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(/ALTER TABLE projects VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
end
|
|
|
|
model.validate_foreign_key(:projects, :user_id)
|
|
end
|
|
|
|
context 'when the inferred foreign key constraint does not exist' do
|
|
it 'raises an error' do
|
|
expect(model).to receive(:foreign_key_exists?).and_return(false)
|
|
|
|
error_message = /Could not find foreign key "fk_name" on table "projects"/
|
|
expect { model.validate_foreign_key(:projects, :user_id, name: :fk_name) }.to raise_error(error_message)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#concurrent_foreign_key_name' do
|
|
it 'returns the name for a foreign key' do
|
|
name = model.concurrent_foreign_key_name(:this_is_a_very_long_table_name,
|
|
:with_a_very_long_column_name)
|
|
|
|
expect(name).to be_an_instance_of(String)
|
|
expect(name.length).to eq(13)
|
|
end
|
|
end
|
|
|
|
describe '#foreign_key_exists?' do
|
|
before do
|
|
key = ActiveRecord::ConnectionAdapters::ForeignKeyDefinition.new(
|
|
:projects, :users,
|
|
{
|
|
column: :non_standard_id,
|
|
name: :fk_projects_users_non_standard_id,
|
|
on_delete: :cascade,
|
|
primary_key: :id
|
|
}
|
|
)
|
|
allow(model).to receive(:foreign_keys).with(:projects).and_return([key])
|
|
end
|
|
|
|
shared_examples_for 'foreign key checks' do
|
|
it 'finds existing foreign keys by column' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, column: :non_standard_id)).to be_truthy
|
|
end
|
|
|
|
it 'finds existing foreign keys by name' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, name: :fk_projects_users_non_standard_id)).to be_truthy
|
|
end
|
|
|
|
it 'finds existing foreign_keys by name and column' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, name: :fk_projects_users_non_standard_id, column: :non_standard_id)).to be_truthy
|
|
end
|
|
|
|
it 'finds existing foreign_keys by name, column and on_delete' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, name: :fk_projects_users_non_standard_id, column: :non_standard_id, on_delete: :cascade)).to be_truthy
|
|
end
|
|
|
|
it 'finds existing foreign keys by target table only' do
|
|
expect(model.foreign_key_exists?(:projects, target_table)).to be_truthy
|
|
end
|
|
|
|
it 'compares by column name if given' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, column: :user_id)).to be_falsey
|
|
end
|
|
|
|
it 'compares by target column name if given' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, primary_key: :user_id)).to be_falsey
|
|
expect(model.foreign_key_exists?(:projects, target_table, primary_key: :id)).to be_truthy
|
|
end
|
|
|
|
it 'compares by foreign key name if given' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, name: :non_existent_foreign_key_name)).to be_falsey
|
|
end
|
|
|
|
it 'compares by foreign key name and column if given' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, name: :non_existent_foreign_key_name, column: :non_standard_id)).to be_falsey
|
|
end
|
|
|
|
it 'compares by foreign key name, column and on_delete if given' do
|
|
expect(model.foreign_key_exists?(:projects, target_table, name: :fk_projects_users_non_standard_id, column: :non_standard_id, on_delete: :nullify)).to be_falsey
|
|
end
|
|
end
|
|
|
|
context 'without specifying a target table' do
|
|
let(:target_table) { nil }
|
|
|
|
it_behaves_like 'foreign key checks'
|
|
end
|
|
|
|
context 'specifying a target table' do
|
|
let(:target_table) { :users }
|
|
|
|
it_behaves_like 'foreign key checks'
|
|
end
|
|
|
|
it 'compares by target table if no column given' do
|
|
expect(model.foreign_key_exists?(:projects, :other_table)).to be_falsey
|
|
end
|
|
end
|
|
|
|
describe '#disable_statement_timeout' do
|
|
it 'disables statement timeouts to current transaction only' do
|
|
expect(model).to receive(:execute).with('SET LOCAL statement_timeout TO 0')
|
|
|
|
model.disable_statement_timeout
|
|
end
|
|
|
|
# this specs runs without an enclosing transaction (:delete truncation method for db_cleaner)
|
|
context 'with real environment', :delete do
|
|
before do
|
|
model.execute("SET statement_timeout TO '20000'")
|
|
end
|
|
|
|
after do
|
|
model.execute('RESET statement_timeout')
|
|
end
|
|
|
|
it 'defines statement to 0 only for current transaction' do
|
|
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
|
|
|
|
model.connection.transaction do
|
|
model.disable_statement_timeout
|
|
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
|
|
end
|
|
|
|
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
|
|
end
|
|
|
|
context 'when passing a blocks' do
|
|
it 'disables statement timeouts on session level and executes the block' do
|
|
expect(model).to receive(:execute).with('SET statement_timeout TO 0')
|
|
expect(model).to receive(:execute).with('RESET statement_timeout').at_least(:once)
|
|
|
|
expect { |block| model.disable_statement_timeout(&block) }.to yield_control
|
|
end
|
|
|
|
# this specs runs without an enclosing transaction (:delete truncation method for db_cleaner)
|
|
context 'with real environment', :delete do
|
|
before do
|
|
model.execute("SET statement_timeout TO '20000'")
|
|
end
|
|
|
|
after do
|
|
model.execute('RESET statement_timeout')
|
|
end
|
|
|
|
it 'defines statement to 0 for any code run inside the block' do
|
|
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
|
|
|
|
model.disable_statement_timeout do
|
|
model.connection.transaction do
|
|
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
|
|
end
|
|
|
|
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
# This spec runs without an enclosing transaction (:delete truncation method for db_cleaner)
|
|
context 'when the statement_timeout is already disabled', :delete do
|
|
before do
|
|
ActiveRecord::Migration.connection.execute('SET statement_timeout TO 0')
|
|
end
|
|
|
|
after do
|
|
# Use ActiveRecord::Migration.connection instead of model.execute
|
|
# so that this call is not counted below
|
|
ActiveRecord::Migration.connection.execute('RESET statement_timeout')
|
|
end
|
|
|
|
it 'yields control without disabling the timeout or resetting' do
|
|
expect(model).not_to receive(:execute).with('SET statement_timeout TO 0')
|
|
expect(model).not_to receive(:execute).with('RESET statement_timeout')
|
|
|
|
expect { |block| model.disable_statement_timeout(&block) }.to yield_control
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#true_value' do
|
|
it 'returns the appropriate value' do
|
|
expect(model.true_value).to eq("'t'")
|
|
end
|
|
end
|
|
|
|
describe '#false_value' do
|
|
it 'returns the appropriate value' do
|
|
expect(model.false_value).to eq("'f'")
|
|
end
|
|
end
|
|
|
|
describe '#update_column_in_batches' do
|
|
context 'when running outside of a transaction' do
|
|
before do
|
|
expect(model).to receive(:transaction_open?).and_return(false)
|
|
|
|
create_list(:project, 5)
|
|
end
|
|
|
|
it 'updates all the rows in a table' do
|
|
model.update_column_in_batches(:projects, :description_html, 'foo')
|
|
|
|
expect(Project.where(description_html: 'foo').count).to eq(5)
|
|
end
|
|
|
|
it 'updates boolean values correctly' do
|
|
model.update_column_in_batches(:projects, :archived, true)
|
|
|
|
expect(Project.where(archived: true).count).to eq(5)
|
|
end
|
|
|
|
context 'when a block is supplied' do
|
|
it 'yields an Arel table and query object to the supplied block' do
|
|
first_id = Project.first.id
|
|
|
|
model.update_column_in_batches(:projects, :archived, true) do |t, query|
|
|
query.where(t[:id].eq(first_id))
|
|
end
|
|
|
|
expect(Project.where(archived: true).count).to eq(1)
|
|
end
|
|
end
|
|
|
|
context 'when the value is Arel.sql (Arel::Nodes::SqlLiteral)' do
|
|
it 'updates the value as a SQL expression' do
|
|
model.update_column_in_batches(:projects, :star_count, Arel.sql('1+1'))
|
|
|
|
expect(Project.sum(:star_count)).to eq(2 * Project.count)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when running inside the transaction' do
|
|
it 'raises RuntimeError' do
|
|
expect(model).to receive(:transaction_open?).and_return(true)
|
|
|
|
expect do
|
|
model.update_column_in_batches(:projects, :star_count, Arel.sql('1+1'))
|
|
end.to raise_error(RuntimeError)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#add_column_with_default' do
|
|
let(:column) { Project.columns.find { |c| c.name == "id" } }
|
|
|
|
it 'delegates to #add_column' do
|
|
expect(model).to receive(:add_column).with(:projects, :foo, :integer, default: 10, limit: nil, null: true)
|
|
|
|
model.add_column_with_default(:projects, :foo, :integer,
|
|
default: 10,
|
|
allow_null: true)
|
|
end
|
|
end
|
|
|
|
describe '#rename_column_concurrently' do
|
|
context 'in a transaction' do
|
|
it 'raises RuntimeError' do
|
|
allow(model).to receive(:transaction_open?).and_return(true)
|
|
|
|
expect { model.rename_column_concurrently(:users, :old, :new) }
|
|
.to raise_error(RuntimeError)
|
|
end
|
|
end
|
|
|
|
context 'outside a transaction' do
|
|
let(:old_column) do
|
|
double(:column,
|
|
type: :integer,
|
|
limit: 8,
|
|
default: 0,
|
|
null: false,
|
|
precision: 5,
|
|
scale: 1)
|
|
end
|
|
|
|
let(:trigger_name) { model.rename_trigger_name(:users, :old, :new) }
|
|
|
|
before do
|
|
allow(model).to receive(:transaction_open?).and_return(false)
|
|
end
|
|
|
|
context 'when the column to rename exists' do
|
|
before do
|
|
allow(model).to receive(:column_for).and_return(old_column)
|
|
end
|
|
|
|
it 'renames a column concurrently' do
|
|
expect(model).to receive(:check_trigger_permissions!).with(:users)
|
|
|
|
expect(model).to receive(:install_rename_triggers)
|
|
.with(:users, :old, :new)
|
|
|
|
expect(model).to receive(:add_column)
|
|
.with(:users, :new, :integer,
|
|
limit: old_column.limit,
|
|
precision: old_column.precision,
|
|
scale: old_column.scale)
|
|
|
|
expect(model).to receive(:change_column_default)
|
|
.with(:users, :new, old_column.default)
|
|
|
|
expect(model).to receive(:update_column_in_batches)
|
|
|
|
expect(model).to receive(:add_not_null_constraint).with(:users, :new)
|
|
|
|
expect(model).to receive(:copy_indexes).with(:users, :old, :new)
|
|
expect(model).to receive(:copy_foreign_keys).with(:users, :old, :new)
|
|
expect(model).to receive(:copy_check_constraints).with(:users, :old, :new)
|
|
|
|
model.rename_column_concurrently(:users, :old, :new)
|
|
end
|
|
|
|
context 'with existing records and type casting' do
|
|
let(:trigger_name) { model.rename_trigger_name(:users, :id, :new) }
|
|
let(:user) { create(:user) }
|
|
let(:copy_trigger) { double('copy trigger') }
|
|
let(:connection) { ActiveRecord::Migration.connection }
|
|
|
|
before do
|
|
expect(Gitlab::Database::UnidirectionalCopyTrigger).to receive(:on_table)
|
|
.with(:users, connection: connection).and_return(copy_trigger)
|
|
end
|
|
|
|
it 'copies the value to the new column using the type_cast_function', :aggregate_failures do
|
|
expect(model).to receive(:copy_indexes).with(:users, :id, :new)
|
|
expect(model).to receive(:add_not_null_constraint).with(:users, :new)
|
|
expect(model).to receive(:execute).with("UPDATE \"users\" SET \"new\" = cast_to_jsonb_with_default(\"users\".\"id\") WHERE \"users\".\"id\" >= #{user.id}")
|
|
expect(copy_trigger).to receive(:create).with(:id, :new, trigger_name: nil)
|
|
|
|
model.rename_column_concurrently(:users, :id, :new, type_cast_function: 'cast_to_jsonb_with_default')
|
|
end
|
|
end
|
|
|
|
it 'passes the batch_column_name' do
|
|
expect(model).to receive(:column_exists?).with(:users, :other_batch_column).and_return(true)
|
|
expect(model).to receive(:check_trigger_permissions!).and_return(true)
|
|
|
|
expect(model).to receive(:create_column_from).with(
|
|
:users, :old, :new, type: nil, batch_column_name: :other_batch_column, type_cast_function: nil
|
|
).and_return(true)
|
|
|
|
expect(model).to receive(:install_rename_triggers).and_return(true)
|
|
|
|
model.rename_column_concurrently(:users, :old, :new, batch_column_name: :other_batch_column)
|
|
end
|
|
|
|
it 'passes the type_cast_function' do
|
|
expect(model).to receive(:create_column_from).with(
|
|
:users, :old, :new, type: nil, batch_column_name: :id, type_cast_function: 'JSON'
|
|
).and_return(true)
|
|
|
|
model.rename_column_concurrently(:users, :old, :new, type_cast_function: 'JSON')
|
|
end
|
|
|
|
it 'raises an error with invalid batch_column_name' do
|
|
expect do
|
|
model.rename_column_concurrently(:users, :old, :new, batch_column_name: :invalid)
|
|
end.to raise_error(RuntimeError, /Column invalid does not exist on users/)
|
|
end
|
|
|
|
context 'when default is false' do
|
|
let(:old_column) do
|
|
double(:column,
|
|
type: :boolean,
|
|
limit: nil,
|
|
default: false,
|
|
null: false,
|
|
precision: nil,
|
|
scale: nil)
|
|
end
|
|
|
|
it 'copies the default to the new column' do
|
|
expect(model).to receive(:change_column_default)
|
|
.with(:users, :new, old_column.default)
|
|
|
|
expect(model).to receive(:copy_check_constraints)
|
|
.with(:users, :old, :new)
|
|
|
|
model.rename_column_concurrently(:users, :old, :new)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when the column to be renamed does not exist' do
|
|
before do
|
|
allow(model).to receive(:columns).and_return([])
|
|
end
|
|
|
|
it 'raises an error with appropriate message' do
|
|
expect(model).to receive(:check_trigger_permissions!).with(:users)
|
|
|
|
error_message = /Could not find column "missing_column" on table "users"/
|
|
expect { model.rename_column_concurrently(:users, :missing_column, :new) }.to raise_error(error_message)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#undo_rename_column_concurrently' do
|
|
it 'reverses the operations of rename_column_concurrently' do
|
|
expect(model).to receive(:check_trigger_permissions!).with(:users)
|
|
|
|
expect(model).to receive(:remove_rename_triggers)
|
|
.with(:users, /trigger_.{12}/)
|
|
|
|
expect(model).to receive(:remove_column).with(:users, :new)
|
|
|
|
model.undo_rename_column_concurrently(:users, :old, :new)
|
|
end
|
|
end
|
|
|
|
describe '#cleanup_concurrent_column_rename' do
|
|
it 'cleans up the renaming procedure' do
|
|
expect(model).to receive(:check_trigger_permissions!).with(:users)
|
|
|
|
expect(model).to receive(:remove_rename_triggers)
|
|
.with(:users, /trigger_.{12}/)
|
|
|
|
expect(model).to receive(:remove_column).with(:users, :old)
|
|
|
|
model.cleanup_concurrent_column_rename(:users, :old, :new)
|
|
end
|
|
end
|
|
|
|
describe '#undo_cleanup_concurrent_column_rename' do
|
|
context 'in a transaction' do
|
|
it 'raises RuntimeError' do
|
|
allow(model).to receive(:transaction_open?).and_return(true)
|
|
|
|
expect { model.undo_cleanup_concurrent_column_rename(:users, :old, :new) }
|
|
.to raise_error(RuntimeError)
|
|
end
|
|
end
|
|
|
|
context 'outside a transaction' do
|
|
let(:new_column) do
|
|
double(:column,
|
|
type: :integer,
|
|
limit: 8,
|
|
default: 0,
|
|
null: false,
|
|
precision: 5,
|
|
scale: 1)
|
|
end
|
|
|
|
let(:trigger_name) { model.rename_trigger_name(:users, :old, :new) }
|
|
|
|
before do
|
|
allow(model).to receive(:transaction_open?).and_return(false)
|
|
allow(model).to receive(:column_for).and_return(new_column)
|
|
end
|
|
|
|
it 'reverses the operations of cleanup_concurrent_column_rename' do
|
|
expect(model).to receive(:check_trigger_permissions!).with(:users)
|
|
|
|
expect(model).to receive(:install_rename_triggers)
|
|
.with(:users, :old, :new)
|
|
|
|
expect(model).to receive(:add_column)
|
|
.with(:users, :old, :integer,
|
|
limit: new_column.limit,
|
|
precision: new_column.precision,
|
|
scale: new_column.scale)
|
|
|
|
expect(model).to receive(:change_column_default)
|
|
.with(:users, :old, new_column.default)
|
|
|
|
expect(model).to receive(:update_column_in_batches)
|
|
|
|
expect(model).to receive(:add_not_null_constraint).with(:users, :old)
|
|
|
|
expect(model).to receive(:copy_indexes).with(:users, :new, :old)
|
|
expect(model).to receive(:copy_foreign_keys).with(:users, :new, :old)
|
|
expect(model).to receive(:copy_check_constraints).with(:users, :new, :old)
|
|
|
|
model.undo_cleanup_concurrent_column_rename(:users, :old, :new)
|
|
end
|
|
|
|
it 'passes the batch_column_name' do
|
|
expect(model).to receive(:column_exists?).with(:users, :other_batch_column).and_return(true)
|
|
expect(model).to receive(:check_trigger_permissions!).and_return(true)
|
|
|
|
expect(model).to receive(:create_column_from).with(
|
|
:users, :new, :old, type: nil, batch_column_name: :other_batch_column
|
|
).and_return(true)
|
|
|
|
expect(model).to receive(:install_rename_triggers).and_return(true)
|
|
|
|
model.undo_cleanup_concurrent_column_rename(:users, :old, :new, batch_column_name: :other_batch_column)
|
|
end
|
|
|
|
it 'raises an error with invalid batch_column_name' do
|
|
expect do
|
|
model.undo_cleanup_concurrent_column_rename(:users, :old, :new, batch_column_name: :invalid)
|
|
end.to raise_error(RuntimeError, /Column invalid does not exist on users/)
|
|
end
|
|
|
|
context 'when default is false' do
|
|
let(:new_column) do
|
|
double(:column,
|
|
type: :boolean,
|
|
limit: nil,
|
|
default: false,
|
|
null: false,
|
|
precision: nil,
|
|
scale: nil)
|
|
end
|
|
|
|
it 'copies the default to the old column' do
|
|
expect(model).to receive(:change_column_default)
|
|
.with(:users, :old, new_column.default)
|
|
|
|
expect(model).to receive(:copy_check_constraints)
|
|
.with(:users, :new, :old)
|
|
|
|
model.undo_cleanup_concurrent_column_rename(:users, :old, :new)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#change_column_type_concurrently' do
|
|
it 'changes the column type' do
|
|
expect(model).to receive(:rename_column_concurrently)
|
|
.with('users', 'username', 'username_for_type_change', type: :text, type_cast_function: nil, batch_column_name: :id)
|
|
|
|
model.change_column_type_concurrently('users', 'username', :text)
|
|
end
|
|
|
|
it 'passed the batch column name' do
|
|
expect(model).to receive(:rename_column_concurrently)
|
|
.with('users', 'username', 'username_for_type_change', type: :text, type_cast_function: nil, batch_column_name: :user_id)
|
|
|
|
model.change_column_type_concurrently('users', 'username', :text, batch_column_name: :user_id)
|
|
end
|
|
|
|
context 'with type cast' do
|
|
it 'changes the column type with casting the value to the new type' do
|
|
expect(model).to receive(:rename_column_concurrently)
|
|
.with('users', 'username', 'username_for_type_change', type: :text, type_cast_function: 'JSON', batch_column_name: :id)
|
|
|
|
model.change_column_type_concurrently('users', 'username', :text, type_cast_function: 'JSON')
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#undo_change_column_type_concurrently' do
|
|
it 'reverses the operations of change_column_type_concurrently' do
|
|
expect(model).to receive(:check_trigger_permissions!).with(:users)
|
|
|
|
expect(model).to receive(:remove_rename_triggers)
|
|
.with(:users, /trigger_.{12}/)
|
|
|
|
expect(model).to receive(:remove_column).with(:users, "old_for_type_change")
|
|
|
|
model.undo_change_column_type_concurrently(:users, :old)
|
|
end
|
|
end
|
|
|
|
describe '#cleanup_concurrent_column_type_change' do
|
|
it 'cleans up the type changing procedure' do
|
|
expect(model).to receive(:cleanup_concurrent_column_rename)
|
|
.with('users', 'username', 'username_for_type_change')
|
|
|
|
expect(model).to receive(:rename_column)
|
|
.with('users', 'username_for_type_change', 'username')
|
|
|
|
model.cleanup_concurrent_column_type_change('users', 'username')
|
|
end
|
|
end
|
|
|
|
describe '#undo_cleanup_concurrent_column_type_change' do
|
|
context 'in a transaction' do
|
|
it 'raises RuntimeError' do
|
|
allow(model).to receive(:transaction_open?).and_return(true)
|
|
|
|
expect { model.undo_cleanup_concurrent_column_type_change(:users, :old, :new) }
|
|
.to raise_error(RuntimeError)
|
|
end
|
|
end
|
|
|
|
context 'outside a transaction' do
|
|
let(:temp_column) { "old_for_type_change" }
|
|
|
|
let(:temp_undo_cleanup_column) do
|
|
identifier = "users_old_for_type_change"
|
|
hashed_identifier = Digest::SHA256.hexdigest(identifier).first(10)
|
|
"tmp_undo_cleanup_column_#{hashed_identifier}"
|
|
end
|
|
|
|
let(:trigger_name) { model.rename_trigger_name(:users, :old, :old_for_type_change) }
|
|
|
|
before do
|
|
allow(model).to receive(:transaction_open?).and_return(false)
|
|
end
|
|
|
|
it 'reverses the operations of cleanup_concurrent_column_type_change' do
|
|
expect(model).to receive(:check_trigger_permissions!).with(:users)
|
|
|
|
expect(model).to receive(:create_column_from).with(
|
|
:users,
|
|
:old,
|
|
temp_undo_cleanup_column,
|
|
type: :string,
|
|
batch_column_name: :id,
|
|
type_cast_function: nil,
|
|
limit: nil
|
|
).and_return(true)
|
|
|
|
expect(model).to receive(:rename_column)
|
|
.with(:users, :old, temp_column)
|
|
|
|
expect(model).to receive(:rename_column)
|
|
.with(:users, temp_undo_cleanup_column, :old)
|
|
|
|
expect(model).to receive(:install_rename_triggers)
|
|
.with(:users, :old, 'old_for_type_change')
|
|
|
|
model.undo_cleanup_concurrent_column_type_change(:users, :old, :string)
|
|
end
|
|
|
|
it 'passes the type_cast_function, batch_column_name and limit' do
|
|
expect(model).to receive(:column_exists?).with(:users, :other_batch_column).and_return(true)
|
|
expect(model).to receive(:check_trigger_permissions!).with(:users)
|
|
|
|
expect(model).to receive(:create_column_from).with(
|
|
:users,
|
|
:old,
|
|
temp_undo_cleanup_column,
|
|
type: :string,
|
|
batch_column_name: :other_batch_column,
|
|
type_cast_function: :custom_type_cast_function,
|
|
limit: 8
|
|
).and_return(true)
|
|
|
|
expect(model).to receive(:rename_column)
|
|
.with(:users, :old, temp_column)
|
|
|
|
expect(model).to receive(:rename_column)
|
|
.with(:users, temp_undo_cleanup_column, :old)
|
|
|
|
expect(model).to receive(:install_rename_triggers)
|
|
.with(:users, :old, 'old_for_type_change')
|
|
|
|
model.undo_cleanup_concurrent_column_type_change(
|
|
:users,
|
|
:old,
|
|
:string,
|
|
type_cast_function: :custom_type_cast_function,
|
|
batch_column_name: :other_batch_column,
|
|
limit: 8
|
|
)
|
|
end
|
|
|
|
it 'raises an error with invalid batch_column_name' do
|
|
expect do
|
|
model.undo_cleanup_concurrent_column_type_change(:users, :old, :new, batch_column_name: :invalid)
|
|
end.to raise_error(RuntimeError, /Column invalid does not exist on users/)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#install_rename_triggers' do
|
|
let(:connection) { ActiveRecord::Migration.connection }
|
|
|
|
it 'installs the triggers' do
|
|
copy_trigger = double('copy trigger')
|
|
|
|
expect(Gitlab::Database::UnidirectionalCopyTrigger).to receive(:on_table)
|
|
.with(:users, connection: connection).and_return(copy_trigger)
|
|
|
|
expect(copy_trigger).to receive(:create).with(:old, :new, trigger_name: 'foo')
|
|
|
|
model.install_rename_triggers(:users, :old, :new, trigger_name: 'foo')
|
|
end
|
|
end
|
|
|
|
describe '#remove_rename_triggers' do
|
|
let(:connection) { ActiveRecord::Migration.connection }
|
|
|
|
it 'removes the function and trigger' do
|
|
copy_trigger = double('copy trigger')
|
|
|
|
expect(Gitlab::Database::UnidirectionalCopyTrigger).to receive(:on_table)
|
|
.with('bar', connection: connection).and_return(copy_trigger)
|
|
|
|
expect(copy_trigger).to receive(:drop).with('foo')
|
|
|
|
model.remove_rename_triggers('bar', 'foo')
|
|
end
|
|
end
|
|
|
|
describe '#rename_trigger_name' do
|
|
it 'returns a String' do
|
|
expect(model.rename_trigger_name(:users, :foo, :bar))
|
|
.to match(/trigger_.{12}/)
|
|
end
|
|
end
|
|
|
|
describe '#indexes_for' do
|
|
it 'returns the indexes for a column' do
|
|
idx1 = double(:idx, columns: %w(project_id))
|
|
idx2 = double(:idx, columns: %w(user_id))
|
|
|
|
allow(model).to receive(:indexes).with('table').and_return([idx1, idx2])
|
|
|
|
expect(model.indexes_for('table', :user_id)).to eq([idx2])
|
|
end
|
|
end
|
|
|
|
describe '#foreign_keys_for' do
|
|
it 'returns the foreign keys for a column' do
|
|
fk1 = double(:fk, column: 'project_id')
|
|
fk2 = double(:fk, column: 'user_id')
|
|
|
|
allow(model).to receive(:foreign_keys).with('table').and_return([fk1, fk2])
|
|
|
|
expect(model.foreign_keys_for('table', :user_id)).to eq([fk2])
|
|
end
|
|
end
|
|
|
|
describe '#copy_indexes' do
|
|
context 'using a regular index using a single column' do
|
|
it 'copies the index' do
|
|
index = double(:index,
|
|
columns: %w(project_id),
|
|
name: 'index_on_issues_project_id',
|
|
using: nil,
|
|
where: nil,
|
|
opclasses: {},
|
|
unique: false,
|
|
lengths: [],
|
|
orders: [])
|
|
|
|
allow(model).to receive(:indexes_for).with(:issues, 'project_id')
|
|
.and_return([index])
|
|
|
|
expect(model).to receive(:add_concurrent_index)
|
|
.with(:issues,
|
|
%w(gl_project_id),
|
|
unique: false,
|
|
name: 'index_on_issues_gl_project_id',
|
|
length: [],
|
|
order: [])
|
|
|
|
model.copy_indexes(:issues, :project_id, :gl_project_id)
|
|
end
|
|
end
|
|
|
|
context 'using a regular index with multiple columns' do
|
|
it 'copies the index' do
|
|
index = double(:index,
|
|
columns: %w(project_id foobar),
|
|
name: 'index_on_issues_project_id_foobar',
|
|
using: nil,
|
|
where: nil,
|
|
opclasses: {},
|
|
unique: false,
|
|
lengths: [],
|
|
orders: [])
|
|
|
|
allow(model).to receive(:indexes_for).with(:issues, 'project_id')
|
|
.and_return([index])
|
|
|
|
expect(model).to receive(:add_concurrent_index)
|
|
.with(:issues,
|
|
%w(gl_project_id foobar),
|
|
unique: false,
|
|
name: 'index_on_issues_gl_project_id_foobar',
|
|
length: [],
|
|
order: [])
|
|
|
|
model.copy_indexes(:issues, :project_id, :gl_project_id)
|
|
end
|
|
end
|
|
|
|
context 'using an index with a WHERE clause' do
|
|
it 'copies the index' do
|
|
index = double(:index,
|
|
columns: %w(project_id),
|
|
name: 'index_on_issues_project_id',
|
|
using: nil,
|
|
where: 'foo',
|
|
opclasses: {},
|
|
unique: false,
|
|
lengths: [],
|
|
orders: [])
|
|
|
|
allow(model).to receive(:indexes_for).with(:issues, 'project_id')
|
|
.and_return([index])
|
|
|
|
expect(model).to receive(:add_concurrent_index)
|
|
.with(:issues,
|
|
%w(gl_project_id),
|
|
unique: false,
|
|
name: 'index_on_issues_gl_project_id',
|
|
length: [],
|
|
order: [],
|
|
where: 'foo')
|
|
|
|
model.copy_indexes(:issues, :project_id, :gl_project_id)
|
|
end
|
|
end
|
|
|
|
context 'using an index with a USING clause' do
|
|
it 'copies the index' do
|
|
index = double(:index,
|
|
columns: %w(project_id),
|
|
name: 'index_on_issues_project_id',
|
|
where: nil,
|
|
using: 'foo',
|
|
opclasses: {},
|
|
unique: false,
|
|
lengths: [],
|
|
orders: [])
|
|
|
|
allow(model).to receive(:indexes_for).with(:issues, 'project_id')
|
|
.and_return([index])
|
|
|
|
expect(model).to receive(:add_concurrent_index)
|
|
.with(:issues,
|
|
%w(gl_project_id),
|
|
unique: false,
|
|
name: 'index_on_issues_gl_project_id',
|
|
length: [],
|
|
order: [],
|
|
using: 'foo')
|
|
|
|
model.copy_indexes(:issues, :project_id, :gl_project_id)
|
|
end
|
|
end
|
|
|
|
context 'using an index with custom operator classes' do
|
|
it 'copies the index' do
|
|
index = double(:index,
|
|
columns: %w(project_id),
|
|
name: 'index_on_issues_project_id',
|
|
using: nil,
|
|
where: nil,
|
|
opclasses: { 'project_id' => 'bar' },
|
|
unique: false,
|
|
lengths: [],
|
|
orders: [])
|
|
|
|
allow(model).to receive(:indexes_for).with(:issues, 'project_id')
|
|
.and_return([index])
|
|
|
|
expect(model).to receive(:add_concurrent_index)
|
|
.with(:issues,
|
|
%w(gl_project_id),
|
|
unique: false,
|
|
name: 'index_on_issues_gl_project_id',
|
|
length: [],
|
|
order: [],
|
|
opclass: { 'gl_project_id' => 'bar' })
|
|
|
|
model.copy_indexes(:issues, :project_id, :gl_project_id)
|
|
end
|
|
end
|
|
|
|
context 'using an index with multiple columns and custom operator classes' do
|
|
it 'copies the index' do
|
|
index = double(:index,
|
|
columns: %w(project_id foobar),
|
|
name: 'index_on_issues_project_id_foobar',
|
|
using: :gin,
|
|
where: nil,
|
|
opclasses: { 'project_id' => 'bar', 'foobar' => :gin_trgm_ops },
|
|
unique: false,
|
|
lengths: [],
|
|
orders: [])
|
|
|
|
allow(model).to receive(:indexes_for).with(:issues, 'project_id')
|
|
.and_return([index])
|
|
|
|
expect(model).to receive(:add_concurrent_index)
|
|
.with(:issues,
|
|
%w(gl_project_id foobar),
|
|
unique: false,
|
|
name: 'index_on_issues_gl_project_id_foobar',
|
|
length: [],
|
|
order: [],
|
|
opclass: { 'gl_project_id' => 'bar', 'foobar' => :gin_trgm_ops },
|
|
using: :gin)
|
|
|
|
model.copy_indexes(:issues, :project_id, :gl_project_id)
|
|
end
|
|
end
|
|
|
|
context 'using an index with multiple columns and a custom operator class on the non affected column' do
|
|
it 'copies the index' do
|
|
index = double(:index,
|
|
columns: %w(project_id foobar),
|
|
name: 'index_on_issues_project_id_foobar',
|
|
using: :gin,
|
|
where: nil,
|
|
opclasses: { 'foobar' => :gin_trgm_ops },
|
|
unique: false,
|
|
lengths: [],
|
|
orders: [])
|
|
|
|
allow(model).to receive(:indexes_for).with(:issues, 'project_id')
|
|
.and_return([index])
|
|
|
|
expect(model).to receive(:add_concurrent_index)
|
|
.with(:issues,
|
|
%w(gl_project_id foobar),
|
|
unique: false,
|
|
name: 'index_on_issues_gl_project_id_foobar',
|
|
length: [],
|
|
order: [],
|
|
opclass: { 'foobar' => :gin_trgm_ops },
|
|
using: :gin)
|
|
|
|
model.copy_indexes(:issues, :project_id, :gl_project_id)
|
|
end
|
|
end
|
|
|
|
describe 'using an index of which the name does not contain the source column' do
|
|
it 'raises RuntimeError' do
|
|
index = double(:index,
|
|
columns: %w(project_id),
|
|
name: 'index_foobar_index',
|
|
using: nil,
|
|
where: nil,
|
|
opclasses: {},
|
|
unique: false,
|
|
lengths: [],
|
|
orders: [])
|
|
|
|
allow(model).to receive(:indexes_for).with(:issues, 'project_id')
|
|
.and_return([index])
|
|
|
|
expect { model.copy_indexes(:issues, :project_id, :gl_project_id) }
|
|
.to raise_error(RuntimeError)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#copy_foreign_keys' do
|
|
it 'copies foreign keys from one column to another' do
|
|
fk = double(:fk,
|
|
from_table: 'issues',
|
|
to_table: 'projects',
|
|
on_delete: :cascade)
|
|
|
|
allow(model).to receive(:foreign_keys_for).with(:issues, :project_id)
|
|
.and_return([fk])
|
|
|
|
expect(model).to receive(:add_concurrent_foreign_key)
|
|
.with('issues', 'projects', column: :gl_project_id, on_delete: :cascade)
|
|
|
|
model.copy_foreign_keys(:issues, :project_id, :gl_project_id)
|
|
end
|
|
end
|
|
|
|
describe '#column_for' do
|
|
it 'returns a column object for an existing column' do
|
|
column = model.column_for(:users, :id)
|
|
|
|
expect(column.name).to eq('id')
|
|
end
|
|
|
|
it 'raises an error when a column does not exist' do
|
|
error_message = /Could not find column "kittens" on table "users"/
|
|
expect { model.column_for(:users, :kittens) }.to raise_error(error_message)
|
|
end
|
|
end
|
|
|
|
describe '#replace_sql' do
|
|
it 'builds the sql with correct functions' do
|
|
expect(model.replace_sql(Arel::Table.new(:users)[:first_name], "Alice", "Eve").to_s)
|
|
.to include('regexp_replace')
|
|
end
|
|
|
|
describe 'results' do
|
|
let!(:user) { create(:user, name: 'Kathy Alice Aliceson') }
|
|
|
|
it 'replaces the correct part of the string' do
|
|
allow(model).to receive(:transaction_open?).and_return(false)
|
|
query = model.replace_sql(Arel::Table.new(:users)[:name], 'Alice', 'Eve')
|
|
|
|
model.update_column_in_batches(:users, :name, query)
|
|
|
|
expect(user.reload.name).to eq('Kathy Eve Aliceson')
|
|
end
|
|
end
|
|
end
|
|
|
|
describe 'sidekiq migration helpers', :redis do
|
|
let(:worker) do
|
|
Class.new do
|
|
include Sidekiq::Worker
|
|
|
|
sidekiq_options queue: 'test'
|
|
|
|
def self.name
|
|
'WorkerClass'
|
|
end
|
|
end
|
|
end
|
|
|
|
before do
|
|
stub_const(worker.name, worker)
|
|
end
|
|
|
|
describe '#sidekiq_queue_length' do
|
|
context 'when queue is empty' do
|
|
it 'returns zero' do
|
|
Sidekiq::Testing.disable! do
|
|
expect(model.sidekiq_queue_length('test')).to eq 0
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when queue contains jobs' do
|
|
it 'returns correct size of the queue' do
|
|
Sidekiq::Testing.disable! do
|
|
worker.perform_async('Something', [1])
|
|
worker.perform_async('Something', [2])
|
|
|
|
expect(model.sidekiq_queue_length('test')).to eq 2
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#migrate_sidekiq_queue' do
|
|
it 'migrates jobs from one sidekiq queue to another' do
|
|
Sidekiq::Testing.disable! do
|
|
worker.perform_async('Something', [1])
|
|
worker.perform_async('Something', [2])
|
|
|
|
expect(model.sidekiq_queue_length('test')).to eq 2
|
|
expect(model.sidekiq_queue_length('new_test')).to eq 0
|
|
|
|
model.sidekiq_queue_migrate('test', to: 'new_test')
|
|
|
|
expect(model.sidekiq_queue_length('test')).to eq 0
|
|
expect(model.sidekiq_queue_length('new_test')).to eq 2
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#check_trigger_permissions!' do
|
|
it 'does nothing when the user has the correct permissions' do
|
|
expect { model.check_trigger_permissions!('users') }
|
|
.not_to raise_error
|
|
end
|
|
|
|
it 'raises RuntimeError when the user does not have the correct permissions' do
|
|
allow(Gitlab::Database::Grant).to receive(:create_and_execute_trigger?)
|
|
.with('kittens')
|
|
.and_return(false)
|
|
|
|
expect { model.check_trigger_permissions!('kittens') }
|
|
.to raise_error(RuntimeError, /Your database user is not allowed/)
|
|
end
|
|
end
|
|
|
|
describe '#convert_to_bigint_column' do
|
|
it 'returns the name of the temporary column used to convert to bigint' do
|
|
expect(model.convert_to_bigint_column(:id)).to eq('id_convert_to_bigint')
|
|
end
|
|
end
|
|
|
|
describe '#initialize_conversion_of_integer_to_bigint' do
|
|
let(:table) { :test_table }
|
|
let(:column) { :id }
|
|
let(:tmp_column) { model.convert_to_bigint_column(column) }
|
|
|
|
before do
|
|
model.create_table table, id: false do |t|
|
|
t.integer :id, primary_key: true
|
|
t.integer :non_nullable_column, null: false
|
|
t.integer :nullable_column
|
|
t.timestamps
|
|
end
|
|
end
|
|
|
|
context 'when the target table does not exist' do
|
|
it 'raises an error' do
|
|
expect { model.initialize_conversion_of_integer_to_bigint(:this_table_is_not_real, column) }
|
|
.to raise_error('Table this_table_is_not_real does not exist')
|
|
end
|
|
end
|
|
|
|
context 'when the primary key does not exist' do
|
|
it 'raises an error' do
|
|
expect { model.initialize_conversion_of_integer_to_bigint(table, column, primary_key: :foobar) }
|
|
.to raise_error("Column foobar does not exist on #{table}")
|
|
end
|
|
end
|
|
|
|
context 'when the column to migrate does not exist' do
|
|
it 'raises an error' do
|
|
expect { model.initialize_conversion_of_integer_to_bigint(table, :this_column_is_not_real) }
|
|
.to raise_error(ArgumentError, "Column this_column_is_not_real does not exist on #{table}")
|
|
end
|
|
end
|
|
|
|
context 'when the column to convert is the primary key' do
|
|
it 'creates a not-null bigint column and installs triggers' do
|
|
expect(model).to receive(:add_column).with(table, tmp_column, :bigint, default: 0, null: false)
|
|
|
|
expect(model).to receive(:install_rename_triggers).with(table, [column], [tmp_column])
|
|
|
|
model.initialize_conversion_of_integer_to_bigint(table, column)
|
|
end
|
|
end
|
|
|
|
context 'when the column to convert is not the primary key, but non-nullable' do
|
|
let(:column) { :non_nullable_column }
|
|
|
|
it 'creates a not-null bigint column and installs triggers' do
|
|
expect(model).to receive(:add_column).with(table, tmp_column, :bigint, default: 0, null: false)
|
|
|
|
expect(model).to receive(:install_rename_triggers).with(table, [column], [tmp_column])
|
|
|
|
model.initialize_conversion_of_integer_to_bigint(table, column)
|
|
end
|
|
end
|
|
|
|
context 'when the column to convert is not the primary key, but nullable' do
|
|
let(:column) { :nullable_column }
|
|
|
|
it 'creates a nullable bigint column and installs triggers' do
|
|
expect(model).to receive(:add_column).with(table, tmp_column, :bigint, default: nil)
|
|
|
|
expect(model).to receive(:install_rename_triggers).with(table, [column], [tmp_column])
|
|
|
|
model.initialize_conversion_of_integer_to_bigint(table, column)
|
|
end
|
|
end
|
|
|
|
context 'when multiple columns are given' do
|
|
it 'creates the correct columns and installs the trigger' do
|
|
columns_to_convert = %i[id non_nullable_column nullable_column]
|
|
temporary_columns = columns_to_convert.map { |column| model.convert_to_bigint_column(column) }
|
|
|
|
expect(model).to receive(:add_column).with(table, temporary_columns[0], :bigint, default: 0, null: false)
|
|
expect(model).to receive(:add_column).with(table, temporary_columns[1], :bigint, default: 0, null: false)
|
|
expect(model).to receive(:add_column).with(table, temporary_columns[2], :bigint, default: nil)
|
|
|
|
expect(model).to receive(:install_rename_triggers).with(table, columns_to_convert, temporary_columns)
|
|
|
|
model.initialize_conversion_of_integer_to_bigint(table, columns_to_convert)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#restore_conversion_of_integer_to_bigint' do
|
|
let(:table) { :test_table }
|
|
let(:column) { :id }
|
|
let(:tmp_column) { model.convert_to_bigint_column(column) }
|
|
|
|
before do
|
|
model.create_table table, id: false do |t|
|
|
t.bigint :id, primary_key: true
|
|
t.bigint :build_id, null: false
|
|
t.timestamps
|
|
end
|
|
end
|
|
|
|
context 'when the target table does not exist' do
|
|
it 'raises an error' do
|
|
expect { model.restore_conversion_of_integer_to_bigint(:this_table_is_not_real, column) }
|
|
.to raise_error('Table this_table_is_not_real does not exist')
|
|
end
|
|
end
|
|
|
|
context 'when the column to migrate does not exist' do
|
|
it 'raises an error' do
|
|
expect { model.restore_conversion_of_integer_to_bigint(table, :this_column_is_not_real) }
|
|
.to raise_error(ArgumentError, "Column this_column_is_not_real does not exist on #{table}")
|
|
end
|
|
end
|
|
|
|
context 'when a single column is given' do
|
|
let(:column_to_convert) { 'id' }
|
|
let(:temporary_column) { model.convert_to_bigint_column(column_to_convert) }
|
|
|
|
it 'creates the correct columns and installs the trigger' do
|
|
expect(model).to receive(:add_column).with(table, temporary_column, :int, default: 0, null: false)
|
|
|
|
expect(model).to receive(:install_rename_triggers).with(table, [column_to_convert], [temporary_column])
|
|
|
|
model.restore_conversion_of_integer_to_bigint(table, column_to_convert)
|
|
end
|
|
end
|
|
|
|
context 'when multiple columns are given' do
|
|
let(:columns_to_convert) { %i[id build_id] }
|
|
let(:temporary_columns) { columns_to_convert.map { |column| model.convert_to_bigint_column(column) } }
|
|
|
|
it 'creates the correct columns and installs the trigger' do
|
|
expect(model).to receive(:add_column).with(table, temporary_columns[0], :int, default: 0, null: false)
|
|
expect(model).to receive(:add_column).with(table, temporary_columns[1], :int, default: 0, null: false)
|
|
|
|
expect(model).to receive(:install_rename_triggers).with(table, columns_to_convert, temporary_columns)
|
|
|
|
model.restore_conversion_of_integer_to_bigint(table, columns_to_convert)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#revert_initialize_conversion_of_integer_to_bigint' do
|
|
let(:table) { :test_table }
|
|
|
|
before do
|
|
model.create_table table, id: false do |t|
|
|
t.integer :id, primary_key: true
|
|
t.integer :other_id
|
|
end
|
|
|
|
model.initialize_conversion_of_integer_to_bigint(table, columns)
|
|
end
|
|
|
|
context 'when single column is given' do
|
|
let(:columns) { :id }
|
|
|
|
it 'removes column, trigger, and function' do
|
|
temporary_column = model.convert_to_bigint_column(:id)
|
|
trigger_name = model.rename_trigger_name(table, :id, temporary_column)
|
|
|
|
model.revert_initialize_conversion_of_integer_to_bigint(table, columns)
|
|
|
|
expect(model.column_exists?(table, temporary_column)).to eq(false)
|
|
expect_trigger_not_to_exist(table, trigger_name)
|
|
expect_function_not_to_exist(trigger_name)
|
|
end
|
|
end
|
|
|
|
context 'when multiple columns are given' do
|
|
let(:columns) { [:id, :other_id] }
|
|
|
|
it 'removes column, trigger, and function' do
|
|
temporary_columns = columns.map { |column| model.convert_to_bigint_column(column) }
|
|
trigger_name = model.rename_trigger_name(table, columns, temporary_columns)
|
|
|
|
model.revert_initialize_conversion_of_integer_to_bigint(table, columns)
|
|
|
|
temporary_columns.each do |column|
|
|
expect(model.column_exists?(table, column)).to eq(false)
|
|
end
|
|
expect_trigger_not_to_exist(table, trigger_name)
|
|
expect_function_not_to_exist(trigger_name)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#backfill_conversion_of_integer_to_bigint' do
|
|
let(:table) { :_test_backfill_table }
|
|
let(:column) { :id }
|
|
let(:tmp_column) { model.convert_to_bigint_column(column) }
|
|
|
|
before do
|
|
model.create_table table, id: false do |t|
|
|
t.integer :id, primary_key: true
|
|
t.text :message, null: false
|
|
t.integer :other_id
|
|
t.timestamps
|
|
end
|
|
end
|
|
|
|
context 'when the target table does not exist' do
|
|
it 'raises an error' do
|
|
expect { model.backfill_conversion_of_integer_to_bigint(:this_table_is_not_real, column) }
|
|
.to raise_error('Table this_table_is_not_real does not exist')
|
|
end
|
|
end
|
|
|
|
context 'when the primary key does not exist' do
|
|
it 'raises an error' do
|
|
expect { model.backfill_conversion_of_integer_to_bigint(table, column, primary_key: :foobar) }
|
|
.to raise_error("Column foobar does not exist on #{table}")
|
|
end
|
|
end
|
|
|
|
context 'when the column to convert does not exist' do
|
|
let(:column) { :foobar }
|
|
|
|
it 'raises an error' do
|
|
expect { model.backfill_conversion_of_integer_to_bigint(table, column) }
|
|
.to raise_error(ArgumentError, "Column #{column} does not exist on #{table}")
|
|
end
|
|
end
|
|
|
|
context 'when the temporary column does not exist' do
|
|
it 'raises an error' do
|
|
expect { model.backfill_conversion_of_integer_to_bigint(table, column) }
|
|
.to raise_error(ArgumentError, "Column #{tmp_column} does not exist on #{table}")
|
|
end
|
|
end
|
|
|
|
context 'when the conversion is properly initialized' do
|
|
let(:model_class) do
|
|
Class.new(ActiveRecord::Base) do
|
|
self.table_name = :_test_backfill_table
|
|
end
|
|
end
|
|
|
|
let(:migration_relation) { Gitlab::Database::BackgroundMigration::BatchedMigration.active }
|
|
|
|
before do
|
|
model.initialize_conversion_of_integer_to_bigint(table, columns)
|
|
|
|
model_class.create!(message: 'hello')
|
|
model_class.create!(message: 'so long')
|
|
end
|
|
|
|
context 'when a single column is being converted' do
|
|
let(:columns) { column }
|
|
|
|
it 'creates the batched migration tracking record' do
|
|
last_record = model_class.create!(message: 'goodbye')
|
|
|
|
expect do
|
|
model.backfill_conversion_of_integer_to_bigint(table, column, batch_size: 2, sub_batch_size: 1)
|
|
end.to change { migration_relation.count }.by(1)
|
|
|
|
expect(migration_relation.last).to have_attributes(
|
|
job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
|
|
table_name: table.to_s,
|
|
column_name: column.to_s,
|
|
min_value: 1,
|
|
max_value: last_record.id,
|
|
interval: 120,
|
|
batch_size: 2,
|
|
sub_batch_size: 1,
|
|
job_arguments: [[column.to_s], [model.convert_to_bigint_column(column)]]
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'when multiple columns are being converted' do
|
|
let(:other_column) { :other_id }
|
|
let(:other_tmp_column) { model.convert_to_bigint_column(other_column) }
|
|
let(:columns) { [column, other_column] }
|
|
|
|
it 'creates the batched migration tracking record' do
|
|
last_record = model_class.create!(message: 'goodbye', other_id: 50)
|
|
|
|
expect do
|
|
model.backfill_conversion_of_integer_to_bigint(table, columns, batch_size: 2, sub_batch_size: 1)
|
|
end.to change { migration_relation.count }.by(1)
|
|
|
|
expect(migration_relation.last).to have_attributes(
|
|
job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
|
|
table_name: table.to_s,
|
|
column_name: column.to_s,
|
|
min_value: 1,
|
|
max_value: last_record.id,
|
|
interval: 120,
|
|
batch_size: 2,
|
|
sub_batch_size: 1,
|
|
job_arguments: [[column.to_s, other_column.to_s], [tmp_column, other_tmp_column]]
|
|
)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#revert_backfill_conversion_of_integer_to_bigint' do
|
|
let(:table) { :_test_backfill_table }
|
|
let(:primary_key) { :id }
|
|
|
|
before do
|
|
model.create_table table, id: false do |t|
|
|
t.integer primary_key, primary_key: true
|
|
t.text :message, null: false
|
|
t.integer :other_id
|
|
t.timestamps
|
|
end
|
|
|
|
model.initialize_conversion_of_integer_to_bigint(table, columns, primary_key: primary_key)
|
|
model.backfill_conversion_of_integer_to_bigint(table, columns, primary_key: primary_key)
|
|
end
|
|
|
|
context 'when a single column is being converted' do
|
|
let(:columns) { :id }
|
|
|
|
it 'deletes the batched migration tracking record' do
|
|
expect do
|
|
model.revert_backfill_conversion_of_integer_to_bigint(table, columns)
|
|
end.to change { Gitlab::Database::BackgroundMigration::BatchedMigration.count }.by(-1)
|
|
end
|
|
end
|
|
|
|
context 'when a multiple columns are being converted' do
|
|
let(:columns) { [:id, :other_id] }
|
|
|
|
it 'deletes the batched migration tracking record' do
|
|
expect do
|
|
model.revert_backfill_conversion_of_integer_to_bigint(table, columns)
|
|
end.to change { Gitlab::Database::BackgroundMigration::BatchedMigration.count }.by(-1)
|
|
end
|
|
end
|
|
|
|
context 'when primary key column has custom name' do
|
|
let(:primary_key) { :other_pk }
|
|
let(:columns) { :other_id }
|
|
|
|
it 'deletes the batched migration tracking record' do
|
|
expect do
|
|
model.revert_backfill_conversion_of_integer_to_bigint(table, columns, primary_key: primary_key)
|
|
end.to change { Gitlab::Database::BackgroundMigration::BatchedMigration.count }.by(-1)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#ensure_batched_background_migration_is_finished' do
|
|
let(:configuration) do
|
|
{
|
|
job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
|
|
table_name: :events,
|
|
column_name: :id,
|
|
job_arguments: [["id"], ["id_convert_to_bigint"]]
|
|
}
|
|
end
|
|
|
|
subject(:ensure_batched_background_migration_is_finished) { model.ensure_batched_background_migration_is_finished(**configuration) }
|
|
|
|
it 'raises an error when migration exists and is not marked as finished' do
|
|
create(:batched_background_migration, configuration.merge(status: :active))
|
|
|
|
expect { ensure_batched_background_migration_is_finished }
|
|
.to raise_error "Expected batched background migration for the given configuration to be marked as 'finished', but it is 'active':" \
|
|
"\t#{configuration}" \
|
|
"\n\n" \
|
|
"Finalize it manualy by running" \
|
|
"\n\n" \
|
|
"\tsudo gitlab-rake gitlab:background_migrations:finalize[CopyColumnUsingBackgroundMigrationJob,events,id,'[[\"id\"]\\, [\"id_convert_to_bigint\"]]']" \
|
|
"\n\n" \
|
|
"For more information, check the documentation" \
|
|
"\n\n" \
|
|
"\thttps://docs.gitlab.com/ee/user/admin_area/monitoring/background_migrations.html#database-migrations-failing-because-of-batched-background-migration-not-finished"
|
|
end
|
|
|
|
it 'does not raise error when migration exists and is marked as finished' do
|
|
create(:batched_background_migration, configuration.merge(status: :finished))
|
|
|
|
expect { ensure_batched_background_migration_is_finished }
|
|
.not_to raise_error
|
|
end
|
|
|
|
it 'logs a warning when migration does not exist' do
|
|
expect(Gitlab::AppLogger).to receive(:warn)
|
|
.with("Could not find batched background migration for the given configuration: #{configuration}")
|
|
|
|
expect { ensure_batched_background_migration_is_finished }
|
|
.not_to raise_error
|
|
end
|
|
end
|
|
|
|
describe '#index_exists_by_name?' do
|
|
it 'returns true if an index exists' do
|
|
ActiveRecord::Migration.connection.execute(
|
|
'CREATE INDEX test_index_for_index_exists ON projects (path);'
|
|
)
|
|
|
|
expect(model.index_exists_by_name?(:projects, 'test_index_for_index_exists'))
|
|
.to be_truthy
|
|
end
|
|
|
|
it 'returns false if the index does not exist' do
|
|
expect(model.index_exists_by_name?(:projects, 'this_does_not_exist'))
|
|
.to be_falsy
|
|
end
|
|
|
|
context 'when an index with a function exists' do
|
|
before do
|
|
ActiveRecord::Migration.connection.execute(
|
|
'CREATE INDEX test_index ON projects (LOWER(path));'
|
|
)
|
|
end
|
|
|
|
it 'returns true if an index exists' do
|
|
expect(model.index_exists_by_name?(:projects, 'test_index'))
|
|
.to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when an index exists for a table with the same name in another schema' do
|
|
before do
|
|
ActiveRecord::Migration.connection.execute(
|
|
'CREATE SCHEMA new_test_schema'
|
|
)
|
|
|
|
ActiveRecord::Migration.connection.execute(
|
|
'CREATE TABLE new_test_schema.projects (id integer, name character varying)'
|
|
)
|
|
|
|
ActiveRecord::Migration.connection.execute(
|
|
'CREATE INDEX test_index_on_name ON new_test_schema.projects (LOWER(name));'
|
|
)
|
|
end
|
|
|
|
it 'returns false if the index does not exist in the current schema' do
|
|
expect(model.index_exists_by_name?(:projects, 'test_index_on_name'))
|
|
.to be_falsy
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#create_or_update_plan_limit' do
|
|
before do
|
|
stub_const('Plan', Class.new(ActiveRecord::Base))
|
|
stub_const('PlanLimits', Class.new(ActiveRecord::Base))
|
|
|
|
Plan.class_eval do
|
|
self.table_name = 'plans'
|
|
end
|
|
|
|
PlanLimits.class_eval do
|
|
self.table_name = 'plan_limits'
|
|
end
|
|
end
|
|
|
|
it 'properly escapes names' do
|
|
expect(model).to receive(:execute).with <<~SQL
|
|
INSERT INTO plan_limits (plan_id, "project_hooks")
|
|
SELECT id, '10' FROM plans WHERE name = 'free' LIMIT 1
|
|
ON CONFLICT (plan_id) DO UPDATE SET "project_hooks" = EXCLUDED."project_hooks";
|
|
SQL
|
|
|
|
model.create_or_update_plan_limit('project_hooks', 'free', 10)
|
|
end
|
|
|
|
context 'when plan does not exist' do
|
|
it 'does not create any plan limits' do
|
|
expect { model.create_or_update_plan_limit('project_hooks', 'plan_name', 10) }
|
|
.not_to change { PlanLimits.count }
|
|
end
|
|
end
|
|
|
|
context 'when plan does exist' do
|
|
let!(:plan) { Plan.create!(name: 'plan_name') }
|
|
|
|
context 'when limit does not exist' do
|
|
it 'inserts a new plan limits' do
|
|
expect { model.create_or_update_plan_limit('project_hooks', 'plan_name', 10) }
|
|
.to change { PlanLimits.count }.by(1)
|
|
|
|
expect(PlanLimits.pluck(:project_hooks)).to contain_exactly(10)
|
|
end
|
|
end
|
|
|
|
context 'when limit does exist' do
|
|
let!(:plan_limit) { PlanLimits.create!(plan_id: plan.id) }
|
|
|
|
it 'updates an existing plan limits' do
|
|
expect { model.create_or_update_plan_limit('project_hooks', 'plan_name', 999) }
|
|
.not_to change { PlanLimits.count }
|
|
|
|
expect(plan_limit.reload.project_hooks).to eq(999)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#with_lock_retries' do
|
|
let(:buffer) { StringIO.new }
|
|
let(:in_memory_logger) { Gitlab::JsonLogger.new(buffer) }
|
|
let(:env) { { 'DISABLE_LOCK_RETRIES' => 'true' } }
|
|
|
|
it 'sets the migration class name in the logs' do
|
|
model.with_lock_retries(env: env, logger: in_memory_logger) { }
|
|
|
|
buffer.rewind
|
|
expect(buffer.read).to include("\"class\":\"#{model.class}\"")
|
|
end
|
|
|
|
where(raise_on_exhaustion: [true, false])
|
|
|
|
with_them do
|
|
it 'sets raise_on_exhaustion as requested' do
|
|
with_lock_retries = double
|
|
expect(Gitlab::Database::WithLockRetries).to receive(:new).and_return(with_lock_retries)
|
|
expect(with_lock_retries).to receive(:run).with(raise_on_exhaustion: raise_on_exhaustion)
|
|
|
|
model.with_lock_retries(env: env, logger: in_memory_logger, raise_on_exhaustion: raise_on_exhaustion) { }
|
|
end
|
|
end
|
|
|
|
it 'does not raise on exhaustion by default' do
|
|
with_lock_retries = double
|
|
expect(Gitlab::Database::WithLockRetries).to receive(:new).and_return(with_lock_retries)
|
|
expect(with_lock_retries).to receive(:run).with(raise_on_exhaustion: false)
|
|
|
|
model.with_lock_retries(env: env, logger: in_memory_logger) { }
|
|
end
|
|
|
|
it 'defaults to allowing subtransactions' do
|
|
with_lock_retries = double
|
|
|
|
expect(Gitlab::Database::WithLockRetries).to receive(:new).with(hash_including(allow_savepoints: true)).and_return(with_lock_retries)
|
|
expect(with_lock_retries).to receive(:run).with(raise_on_exhaustion: false)
|
|
|
|
model.with_lock_retries(env: env, logger: in_memory_logger) { }
|
|
end
|
|
end
|
|
|
|
describe '#backfill_iids' do
|
|
include MigrationsHelpers
|
|
|
|
let(:issue_class) do
|
|
Class.new(ActiveRecord::Base) do
|
|
include AtomicInternalId
|
|
|
|
self.table_name = 'issues'
|
|
self.inheritance_column = :_type_disabled
|
|
|
|
belongs_to :project, class_name: "::Project", inverse_of: nil
|
|
|
|
has_internal_id :iid,
|
|
scope: :project,
|
|
init: ->(s, _scope) { s&.project&.issues&.maximum(:iid) },
|
|
presence: false
|
|
end
|
|
end
|
|
|
|
let(:namespaces) { table(:namespaces) }
|
|
let(:projects) { table(:projects) }
|
|
let(:issues) { table(:issues) }
|
|
|
|
def setup
|
|
namespace = namespaces.create!(name: 'foo', path: 'foo', type: Namespaces::UserNamespace.sti_name)
|
|
projects.create!(namespace_id: namespace.id)
|
|
end
|
|
|
|
it 'generates iids properly for models created after the migration' do
|
|
project = setup
|
|
|
|
model.backfill_iids('issues')
|
|
|
|
issue = issue_class.create!(project_id: project.id)
|
|
|
|
expect(issue.iid).to eq(1)
|
|
end
|
|
|
|
it 'generates iids properly for models created after the migration when iids are backfilled' do
|
|
project = setup
|
|
issue_a = issues.create!(project_id: project.id)
|
|
|
|
model.backfill_iids('issues')
|
|
|
|
issue_b = issue_class.create!(project_id: project.id)
|
|
|
|
expect(issue_a.reload.iid).to eq(1)
|
|
expect(issue_b.iid).to eq(2)
|
|
end
|
|
|
|
it 'generates iids properly for models created after the migration across multiple projects' do
|
|
project_a = setup
|
|
project_b = setup
|
|
issues.create!(project_id: project_a.id)
|
|
issues.create!(project_id: project_b.id)
|
|
issues.create!(project_id: project_b.id)
|
|
|
|
model.backfill_iids('issues')
|
|
|
|
issue_a = issue_class.create!(project_id: project_a.id)
|
|
issue_b = issue_class.create!(project_id: project_b.id)
|
|
|
|
expect(issue_a.iid).to eq(2)
|
|
expect(issue_b.iid).to eq(3)
|
|
end
|
|
|
|
context 'when the first model is created for a project after the migration' do
|
|
it 'generates an iid' do
|
|
project_a = setup
|
|
project_b = setup
|
|
issue_a = issues.create!(project_id: project_a.id)
|
|
|
|
model.backfill_iids('issues')
|
|
|
|
issue_b = issue_class.create!(project_id: project_b.id)
|
|
|
|
expect(issue_a.reload.iid).to eq(1)
|
|
expect(issue_b.reload.iid).to eq(1)
|
|
end
|
|
end
|
|
|
|
context 'when a row already has an iid set in the database' do
|
|
it 'backfills iids' do
|
|
project = setup
|
|
issue_a = issues.create!(project_id: project.id, iid: 1)
|
|
issue_b = issues.create!(project_id: project.id, iid: 2)
|
|
|
|
model.backfill_iids('issues')
|
|
|
|
expect(issue_a.reload.iid).to eq(1)
|
|
expect(issue_b.reload.iid).to eq(2)
|
|
end
|
|
|
|
it 'backfills for multiple projects' do
|
|
project_a = setup
|
|
project_b = setup
|
|
issue_a = issues.create!(project_id: project_a.id, iid: 1)
|
|
issue_b = issues.create!(project_id: project_b.id, iid: 1)
|
|
issue_c = issues.create!(project_id: project_a.id, iid: 2)
|
|
|
|
model.backfill_iids('issues')
|
|
|
|
expect(issue_a.reload.iid).to eq(1)
|
|
expect(issue_b.reload.iid).to eq(1)
|
|
expect(issue_c.reload.iid).to eq(2)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#check_constraint_name' do
|
|
it 'returns a valid constraint name' do
|
|
name = model.check_constraint_name(:this_is_a_very_long_table_name,
|
|
:with_a_very_long_column_name,
|
|
:with_a_very_long_type)
|
|
|
|
expect(name).to be_an_instance_of(String)
|
|
expect(name).to start_with('check_')
|
|
expect(name.length).to eq(16)
|
|
end
|
|
end
|
|
|
|
describe '#check_constraint_exists?' do
|
|
before do
|
|
ActiveRecord::Migration.connection.execute(
|
|
'ALTER TABLE projects ADD CONSTRAINT check_1 CHECK (char_length(path) <= 5) NOT VALID'
|
|
)
|
|
|
|
ActiveRecord::Migration.connection.execute(
|
|
'CREATE SCHEMA new_test_schema'
|
|
)
|
|
|
|
ActiveRecord::Migration.connection.execute(
|
|
'CREATE TABLE new_test_schema.projects (id integer, name character varying)'
|
|
)
|
|
|
|
ActiveRecord::Migration.connection.execute(
|
|
'ALTER TABLE new_test_schema.projects ADD CONSTRAINT check_2 CHECK (char_length(name) <= 5)'
|
|
)
|
|
end
|
|
|
|
it 'returns true if a constraint exists' do
|
|
expect(model.check_constraint_exists?(:projects, 'check_1'))
|
|
.to be_truthy
|
|
end
|
|
|
|
it 'returns false if a constraint does not exist' do
|
|
expect(model.check_constraint_exists?(:projects, 'this_does_not_exist'))
|
|
.to be_falsy
|
|
end
|
|
|
|
it 'returns false if a constraint with the same name exists in another table' do
|
|
expect(model.check_constraint_exists?(:users, 'check_1'))
|
|
.to be_falsy
|
|
end
|
|
|
|
it 'returns false if a constraint with the same name exists for the same table in another schema' do
|
|
expect(model.check_constraint_exists?(:projects, 'check_2'))
|
|
.to be_falsy
|
|
end
|
|
end
|
|
|
|
describe '#add_check_constraint' do
|
|
before do
|
|
allow(model).to receive(:check_constraint_exists?).and_return(false)
|
|
end
|
|
|
|
context 'constraint name validation' do
|
|
it 'raises an error when too long' do
|
|
expect do
|
|
model.add_check_constraint(
|
|
:test_table,
|
|
'name IS NOT NULL',
|
|
'a' * (Gitlab::Database::MigrationHelpers::MAX_IDENTIFIER_NAME_LENGTH + 1)
|
|
)
|
|
end.to raise_error(RuntimeError)
|
|
end
|
|
|
|
it 'does not raise error when the length is acceptable' do
|
|
constraint_name = 'a' * Gitlab::Database::MigrationHelpers::MAX_IDENTIFIER_NAME_LENGTH
|
|
|
|
expect(model).to receive(:transaction_open?).and_return(false)
|
|
expect(model).to receive(:check_constraint_exists?).and_return(false)
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:execute).with(/ADD CONSTRAINT/)
|
|
|
|
model.add_check_constraint(
|
|
:test_table,
|
|
'name IS NOT NULL',
|
|
constraint_name,
|
|
validate: false
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'inside a transaction' do
|
|
it 'raises an error' do
|
|
expect(model).to receive(:transaction_open?).and_return(true)
|
|
|
|
expect do
|
|
model.add_check_constraint(
|
|
:test_table,
|
|
'name IS NOT NULL',
|
|
'check_name_not_null'
|
|
)
|
|
end.to raise_error(RuntimeError)
|
|
end
|
|
end
|
|
|
|
context 'outside a transaction' do
|
|
before do
|
|
allow(model).to receive(:transaction_open?).and_return(false)
|
|
end
|
|
|
|
context 'when the constraint is already defined in the database' do
|
|
it 'does not create a constraint' do
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, 'check_name_not_null')
|
|
.and_return(true)
|
|
|
|
expect(model).not_to receive(:execute).with(/ADD CONSTRAINT/)
|
|
|
|
# setting validate: false to only focus on the ADD CONSTRAINT command
|
|
model.add_check_constraint(
|
|
:test_table,
|
|
'name IS NOT NULL',
|
|
'check_name_not_null',
|
|
validate: false
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'when the constraint is not defined in the database' do
|
|
it 'creates the constraint' do
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:execute).with(/ADD CONSTRAINT check_name_not_null/)
|
|
|
|
# setting validate: false to only focus on the ADD CONSTRAINT command
|
|
model.add_check_constraint(
|
|
:test_table,
|
|
'char_length(name) <= 255',
|
|
'check_name_not_null',
|
|
validate: false
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'when validate is not provided' do
|
|
it 'performs validation' do
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, 'check_name_not_null')
|
|
.and_return(false).exactly(1)
|
|
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:execute).with(/ADD CONSTRAINT check_name_not_null/)
|
|
|
|
# we need the check constraint to exist so that the validation proceeds
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, 'check_name_not_null')
|
|
.and_return(true).exactly(1)
|
|
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
model.add_check_constraint(
|
|
:test_table,
|
|
'char_length(name) <= 255',
|
|
'check_name_not_null'
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'when validate is provided with a falsey value' do
|
|
it 'skips validation' do
|
|
expect(model).not_to receive(:disable_statement_timeout)
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:execute).with(/ADD CONSTRAINT/)
|
|
expect(model).not_to receive(:execute).with(/VALIDATE CONSTRAINT/)
|
|
|
|
model.add_check_constraint(
|
|
:test_table,
|
|
'char_length(name) <= 255',
|
|
'check_name_not_null',
|
|
validate: false
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'when validate is provided with a truthy value' do
|
|
it 'performs validation' do
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, 'check_name_not_null')
|
|
.and_return(false).exactly(1)
|
|
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:execute).with(/ADD CONSTRAINT check_name_not_null/)
|
|
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, 'check_name_not_null')
|
|
.and_return(true).exactly(1)
|
|
|
|
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
model.add_check_constraint(
|
|
:test_table,
|
|
'char_length(name) <= 255',
|
|
'check_name_not_null',
|
|
validate: true
|
|
)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#validate_check_constraint' do
|
|
context 'when the constraint does not exist' do
|
|
it 'raises an error' do
|
|
error_message = /Could not find check constraint "check_1" on table "test_table"/
|
|
|
|
expect(model).to receive(:check_constraint_exists?).and_return(false)
|
|
|
|
expect do
|
|
model.validate_check_constraint(:test_table, 'check_1')
|
|
end.to raise_error(RuntimeError, error_message)
|
|
end
|
|
end
|
|
|
|
context 'when the constraint exists' do
|
|
it 'performs validation' do
|
|
validate_sql = /ALTER TABLE test_table VALIDATE CONSTRAINT check_name/
|
|
|
|
expect(model).to receive(:check_constraint_exists?).and_return(true)
|
|
expect(model).to receive(:disable_statement_timeout).and_call_original
|
|
expect(model).to receive(:statement_timeout_disabled?).and_return(false)
|
|
expect(model).to receive(:execute).with(/SET statement_timeout TO/)
|
|
expect(model).to receive(:execute).ordered.with(validate_sql)
|
|
expect(model).to receive(:execute).ordered.with(/RESET statement_timeout/)
|
|
|
|
model.validate_check_constraint(:test_table, 'check_name')
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#remove_check_constraint' do
|
|
before do
|
|
allow(model).to receive(:transaction_open?).and_return(false)
|
|
end
|
|
|
|
it 'removes the constraint' do
|
|
drop_sql = /ALTER TABLE test_table\s+DROP CONSTRAINT IF EXISTS check_name/
|
|
|
|
expect(model).to receive(:with_lock_retries).and_call_original
|
|
expect(model).to receive(:execute).with(drop_sql)
|
|
|
|
model.remove_check_constraint(:test_table, 'check_name')
|
|
end
|
|
end
|
|
|
|
describe '#copy_check_constraints' do
|
|
context 'inside a transaction' do
|
|
it 'raises an error' do
|
|
expect(model).to receive(:transaction_open?).and_return(true)
|
|
|
|
expect do
|
|
model.copy_check_constraints(:test_table, :old_column, :new_column)
|
|
end.to raise_error(RuntimeError)
|
|
end
|
|
end
|
|
|
|
context 'outside a transaction' do
|
|
before do
|
|
allow(model).to receive(:transaction_open?).and_return(false)
|
|
allow(model).to receive(:column_exists?).and_return(true)
|
|
end
|
|
|
|
let(:old_column_constraints) do
|
|
[
|
|
{
|
|
'schema_name' => 'public',
|
|
'table_name' => 'test_table',
|
|
'column_name' => 'old_column',
|
|
'constraint_name' => 'check_d7d49d475d',
|
|
'constraint_def' => 'CHECK ((old_column IS NOT NULL))'
|
|
},
|
|
{
|
|
'schema_name' => 'public',
|
|
'table_name' => 'test_table',
|
|
'column_name' => 'old_column',
|
|
'constraint_name' => 'check_48560e521e',
|
|
'constraint_def' => 'CHECK ((char_length(old_column) <= 255))'
|
|
},
|
|
{
|
|
'schema_name' => 'public',
|
|
'table_name' => 'test_table',
|
|
'column_name' => 'old_column',
|
|
'constraint_name' => 'custom_check_constraint',
|
|
'constraint_def' => 'CHECK (((old_column IS NOT NULL) AND (another_column IS NULL)))'
|
|
},
|
|
{
|
|
'schema_name' => 'public',
|
|
'table_name' => 'test_table',
|
|
'column_name' => 'old_column',
|
|
'constraint_name' => 'not_valid_check_constraint',
|
|
'constraint_def' => 'CHECK ((old_column IS NOT NULL)) NOT VALID'
|
|
}
|
|
]
|
|
end
|
|
|
|
it 'copies check constraints from one column to another' do
|
|
allow(model).to receive(:check_constraints_for)
|
|
.with(:test_table, :old_column, schema: nil)
|
|
.and_return(old_column_constraints)
|
|
|
|
allow(model).to receive(:not_null_constraint_name).with(:test_table, :new_column)
|
|
.and_return('check_1')
|
|
|
|
allow(model).to receive(:text_limit_name).with(:test_table, :new_column)
|
|
.and_return('check_2')
|
|
|
|
allow(model).to receive(:check_constraint_name)
|
|
.with(:test_table, :new_column, 'copy_check_constraint')
|
|
.and_return('check_3')
|
|
|
|
expect(model).to receive(:add_check_constraint)
|
|
.with(
|
|
:test_table,
|
|
'(new_column IS NOT NULL)',
|
|
'check_1',
|
|
validate: true
|
|
).once
|
|
|
|
expect(model).to receive(:add_check_constraint)
|
|
.with(
|
|
:test_table,
|
|
'(char_length(new_column) <= 255)',
|
|
'check_2',
|
|
validate: true
|
|
).once
|
|
|
|
expect(model).to receive(:add_check_constraint)
|
|
.with(
|
|
:test_table,
|
|
'((new_column IS NOT NULL) AND (another_column IS NULL))',
|
|
'check_3',
|
|
validate: true
|
|
).once
|
|
|
|
expect(model).to receive(:add_check_constraint)
|
|
.with(
|
|
:test_table,
|
|
'(new_column IS NOT NULL)',
|
|
'check_1',
|
|
validate: false
|
|
).once
|
|
|
|
model.copy_check_constraints(:test_table, :old_column, :new_column)
|
|
end
|
|
|
|
it 'does nothing if there are no constraints defined for the old column' do
|
|
allow(model).to receive(:check_constraints_for)
|
|
.with(:test_table, :old_column, schema: nil)
|
|
.and_return([])
|
|
|
|
expect(model).not_to receive(:add_check_constraint)
|
|
|
|
model.copy_check_constraints(:test_table, :old_column, :new_column)
|
|
end
|
|
|
|
it 'raises an error when the orginating column does not exist' do
|
|
allow(model).to receive(:column_exists?).with(:test_table, :old_column).and_return(false)
|
|
|
|
error_message = /Column old_column does not exist on test_table/
|
|
|
|
expect do
|
|
model.copy_check_constraints(:test_table, :old_column, :new_column)
|
|
end.to raise_error(RuntimeError, error_message)
|
|
end
|
|
|
|
it 'raises an error when the target column does not exist' do
|
|
allow(model).to receive(:column_exists?).with(:test_table, :new_column).and_return(false)
|
|
|
|
error_message = /Column new_column does not exist on test_table/
|
|
|
|
expect do
|
|
model.copy_check_constraints(:test_table, :old_column, :new_column)
|
|
end.to raise_error(RuntimeError, error_message)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#add_text_limit' do
|
|
context 'when it is called with the default options' do
|
|
it 'calls add_check_constraint with an infered constraint name and validate: true' do
|
|
constraint_name = model.check_constraint_name(:test_table,
|
|
:name,
|
|
'max_length')
|
|
check = "char_length(name) <= 255"
|
|
|
|
expect(model).to receive(:check_constraint_name).and_call_original
|
|
expect(model).to receive(:add_check_constraint)
|
|
.with(:test_table, check, constraint_name, validate: true)
|
|
|
|
model.add_text_limit(:test_table, :name, 255)
|
|
end
|
|
end
|
|
|
|
context 'when all parameters are provided' do
|
|
it 'calls add_check_constraint with the correct parameters' do
|
|
constraint_name = 'check_name_limit'
|
|
check = "char_length(name) <= 255"
|
|
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).to receive(:add_check_constraint)
|
|
.with(:test_table, check, constraint_name, validate: false)
|
|
|
|
model.add_text_limit(
|
|
:test_table,
|
|
:name,
|
|
255,
|
|
constraint_name: constraint_name,
|
|
validate: false
|
|
)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#validate_text_limit' do
|
|
context 'when constraint_name is not provided' do
|
|
it 'calls validate_check_constraint with an infered constraint name' do
|
|
constraint_name = model.check_constraint_name(:test_table,
|
|
:name,
|
|
'max_length')
|
|
|
|
expect(model).to receive(:check_constraint_name).and_call_original
|
|
expect(model).to receive(:validate_check_constraint)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.validate_text_limit(:test_table, :name)
|
|
end
|
|
end
|
|
|
|
context 'when constraint_name is provided' do
|
|
it 'calls validate_check_constraint with the correct parameters' do
|
|
constraint_name = 'check_name_limit'
|
|
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).to receive(:validate_check_constraint)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.validate_text_limit(:test_table, :name, constraint_name: constraint_name)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#remove_text_limit' do
|
|
context 'when constraint_name is not provided' do
|
|
it 'calls remove_check_constraint with an infered constraint name' do
|
|
constraint_name = model.check_constraint_name(:test_table,
|
|
:name,
|
|
'max_length')
|
|
|
|
expect(model).to receive(:check_constraint_name).and_call_original
|
|
expect(model).to receive(:remove_check_constraint)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.remove_text_limit(:test_table, :name)
|
|
end
|
|
end
|
|
|
|
context 'when constraint_name is provided' do
|
|
it 'calls remove_check_constraint with the correct parameters' do
|
|
constraint_name = 'check_name_limit'
|
|
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).to receive(:remove_check_constraint)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.remove_text_limit(:test_table, :name, constraint_name: constraint_name)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#check_text_limit_exists?' do
|
|
context 'when constraint_name is not provided' do
|
|
it 'calls check_constraint_exists? with an infered constraint name' do
|
|
constraint_name = model.check_constraint_name(:test_table,
|
|
:name,
|
|
'max_length')
|
|
|
|
expect(model).to receive(:check_constraint_name).and_call_original
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.check_text_limit_exists?(:test_table, :name)
|
|
end
|
|
end
|
|
|
|
context 'when constraint_name is provided' do
|
|
it 'calls check_constraint_exists? with the correct parameters' do
|
|
constraint_name = 'check_name_limit'
|
|
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.check_text_limit_exists?(:test_table, :name, constraint_name: constraint_name)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#add_not_null_constraint' do
|
|
context 'when it is called with the default options' do
|
|
it 'calls add_check_constraint with an infered constraint name and validate: true' do
|
|
constraint_name = model.check_constraint_name(:test_table,
|
|
:name,
|
|
'not_null')
|
|
check = "name IS NOT NULL"
|
|
|
|
expect(model).to receive(:column_is_nullable?).and_return(true)
|
|
expect(model).to receive(:check_constraint_name).and_call_original
|
|
expect(model).to receive(:add_check_constraint)
|
|
.with(:test_table, check, constraint_name, validate: true)
|
|
|
|
model.add_not_null_constraint(:test_table, :name)
|
|
end
|
|
end
|
|
|
|
context 'when all parameters are provided' do
|
|
it 'calls add_check_constraint with the correct parameters' do
|
|
constraint_name = 'check_name_not_null'
|
|
check = "name IS NOT NULL"
|
|
|
|
expect(model).to receive(:column_is_nullable?).and_return(true)
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).to receive(:add_check_constraint)
|
|
.with(:test_table, check, constraint_name, validate: false)
|
|
|
|
model.add_not_null_constraint(
|
|
:test_table,
|
|
:name,
|
|
constraint_name: constraint_name,
|
|
validate: false
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'when the column is defined as NOT NULL' do
|
|
it 'does not add a check constraint' do
|
|
expect(model).to receive(:column_is_nullable?).and_return(false)
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).not_to receive(:add_check_constraint)
|
|
|
|
model.add_not_null_constraint(:test_table, :name)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#validate_not_null_constraint' do
|
|
context 'when constraint_name is not provided' do
|
|
it 'calls validate_check_constraint with an infered constraint name' do
|
|
constraint_name = model.check_constraint_name(:test_table,
|
|
:name,
|
|
'not_null')
|
|
|
|
expect(model).to receive(:check_constraint_name).and_call_original
|
|
expect(model).to receive(:validate_check_constraint)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.validate_not_null_constraint(:test_table, :name)
|
|
end
|
|
end
|
|
|
|
context 'when constraint_name is provided' do
|
|
it 'calls validate_check_constraint with the correct parameters' do
|
|
constraint_name = 'check_name_not_null'
|
|
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).to receive(:validate_check_constraint)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.validate_not_null_constraint(:test_table, :name, constraint_name: constraint_name)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#remove_not_null_constraint' do
|
|
context 'when constraint_name is not provided' do
|
|
it 'calls remove_check_constraint with an infered constraint name' do
|
|
constraint_name = model.check_constraint_name(:test_table,
|
|
:name,
|
|
'not_null')
|
|
|
|
expect(model).to receive(:check_constraint_name).and_call_original
|
|
expect(model).to receive(:remove_check_constraint)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.remove_not_null_constraint(:test_table, :name)
|
|
end
|
|
end
|
|
|
|
context 'when constraint_name is provided' do
|
|
it 'calls remove_check_constraint with the correct parameters' do
|
|
constraint_name = 'check_name_not_null'
|
|
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).to receive(:remove_check_constraint)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.remove_not_null_constraint(:test_table, :name, constraint_name: constraint_name)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#check_not_null_constraint_exists?' do
|
|
context 'when constraint_name is not provided' do
|
|
it 'calls check_constraint_exists? with an infered constraint name' do
|
|
constraint_name = model.check_constraint_name(:test_table,
|
|
:name,
|
|
'not_null')
|
|
|
|
expect(model).to receive(:check_constraint_name).and_call_original
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.check_not_null_constraint_exists?(:test_table, :name)
|
|
end
|
|
end
|
|
|
|
context 'when constraint_name is provided' do
|
|
it 'calls check_constraint_exists? with the correct parameters' do
|
|
constraint_name = 'check_name_not_null'
|
|
|
|
expect(model).not_to receive(:check_constraint_name)
|
|
expect(model).to receive(:check_constraint_exists?)
|
|
.with(:test_table, constraint_name)
|
|
|
|
model.check_not_null_constraint_exists?(:test_table, :name, constraint_name: constraint_name)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#create_extension' do
|
|
subject { model.create_extension(extension) }
|
|
|
|
let(:extension) { :btree_gist }
|
|
|
|
it 'executes CREATE EXTENSION statement' do
|
|
expect(model).to receive(:execute).with(/CREATE EXTENSION IF NOT EXISTS #{extension}/)
|
|
|
|
subject
|
|
end
|
|
|
|
context 'without proper permissions' do
|
|
before do
|
|
allow(model).to receive(:execute).with(/CREATE EXTENSION IF NOT EXISTS #{extension}/).and_raise(ActiveRecord::StatementInvalid, 'InsufficientPrivilege: permission denied')
|
|
end
|
|
|
|
it 'raises the exception' do
|
|
expect { subject }.to raise_error(ActiveRecord::StatementInvalid, /InsufficientPrivilege/)
|
|
end
|
|
|
|
it 'prints an error message' do
|
|
expect { subject }.to output(/user is not allowed/).to_stderr.and raise_error
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#drop_extension' do
|
|
subject { model.drop_extension(extension) }
|
|
|
|
let(:extension) { 'btree_gist' }
|
|
|
|
it 'executes CREATE EXTENSION statement' do
|
|
expect(model).to receive(:execute).with(/DROP EXTENSION IF EXISTS #{extension}/)
|
|
|
|
subject
|
|
end
|
|
|
|
context 'without proper permissions' do
|
|
before do
|
|
allow(model).to receive(:execute).with(/DROP EXTENSION IF EXISTS #{extension}/).and_raise(ActiveRecord::StatementInvalid, 'InsufficientPrivilege: permission denied')
|
|
end
|
|
|
|
it 'raises the exception' do
|
|
expect { subject }.to raise_error(ActiveRecord::StatementInvalid, /InsufficientPrivilege/)
|
|
end
|
|
|
|
it 'prints an error message' do
|
|
expect { subject }.to output(/user is not allowed/).to_stderr.and raise_error
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#rename_constraint' do
|
|
it "executes the statement to rename constraint" do
|
|
expect(model).to receive(:execute).with /ALTER TABLE "test_table"\nRENAME CONSTRAINT "fk_old_name" TO "fk_new_name"/
|
|
|
|
model.rename_constraint(:test_table, :fk_old_name, :fk_new_name)
|
|
end
|
|
end
|
|
end
|