119 lines
3.8 KiB
Ruby
119 lines
3.8 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Database::PostgresPartition, type: :model, feature_category: :database do
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let(:current_schema) { ActiveRecord::Base.connection.select_value("SELECT current_schema()") }
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let(:schema) { 'gitlab_partitions_dynamic' }
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let(:name) { '_test_partition_01' }
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let(:identifier) { "#{schema}.#{name}" }
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before do
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ActiveRecord::Base.connection.execute(<<~SQL)
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CREATE TABLE public._test_partitioned_table (
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id serial NOT NULL,
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created_at timestamptz NOT NULL,
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PRIMARY KEY (id, created_at)
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) PARTITION BY RANGE(created_at);
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CREATE TABLE #{identifier} PARTITION OF public._test_partitioned_table
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FOR VALUES FROM ('2020-01-01') to ('2020-02-01');
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SQL
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end
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def find(identifier)
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described_class.by_identifier(identifier)
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end
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describe 'associations' do
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it { is_expected.to belong_to(:postgres_partitioned_table).with_primary_key('identifier').with_foreign_key('parent_identifier') }
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end
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it_behaves_like 'a postgres model'
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describe '.for_parent_table' do
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let(:second_name) { '_test_partition_02' }
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before do
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ActiveRecord::Base.connection.execute(<<~SQL)
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CREATE TABLE #{schema}.#{second_name} PARTITION OF public._test_partitioned_table
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FOR VALUES FROM ('2020-02-01') to ('2020-03-01');
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CREATE TABLE #{schema}._test_other_table (
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id serial NOT NULL,
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created_at timestamptz NOT NULL,
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PRIMARY KEY (id, created_at)
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) PARTITION BY RANGE(created_at);
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CREATE TABLE #{schema}._test_other_partition_01 PARTITION OF #{schema}._test_other_table
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FOR VALUES FROM ('2020-01-01') to ('2020-02-01');
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SQL
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end
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it 'returns partitions for the parent table in the current schema' do
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partitions = described_class.for_parent_table('_test_partitioned_table')
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expect(partitions.count).to eq(2)
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expect(partitions.pluck(:name)).to eq([name, second_name])
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end
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it 'returns the partitions if the parent table schema is included in the table name' do
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partitions = described_class.for_parent_table("#{current_schema}._test_partitioned_table")
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expect(partitions.count).to eq(2)
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expect(partitions.pluck(:name)).to eq([name, second_name])
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end
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it 'does not return partitions for tables not in the current schema' do
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expect(described_class.for_parent_table('_test_other_table').count).to eq(0)
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end
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it 'does not return partitions for tables if the schema is not the current' do
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expect(described_class.for_parent_table('foo_bar._test_partitioned_table').count).to eq(0)
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end
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end
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describe '#parent_identifier' do
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it 'returns the parent table identifier' do
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expect(find(identifier).parent_identifier).to eq('public._test_partitioned_table')
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end
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end
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describe '#condition' do
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it 'returns the condition for the partitioned values' do
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expect(find(identifier).condition).to eq("FOR VALUES FROM ('2020-01-01 00:00:00+00') TO ('2020-02-01 00:00:00+00')")
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end
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end
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describe '.partition_exists?' do
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subject { described_class.partition_exists?(table_name) }
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context 'when the partition exists' do
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let(:table_name) { "ci_builds_metadata" }
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it { is_expected.to be_truthy }
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end
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context 'when the partition does not exist' do
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let(:table_name) { 'partition_does_not_exist' }
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it { is_expected.to be_falsey }
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end
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end
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describe '.legacy_partition_exists?' do
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subject { described_class.legacy_partition_exists?(table_name) }
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context 'when the partition exists' do
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let(:table_name) { "ci_builds_metadata" }
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it { is_expected.to be_truthy }
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end
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context 'when the partition does not exist' do
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let(:table_name) { 'partition_does_not_exist' }
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it { is_expected.to be_falsey }
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end
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end
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end
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