77 lines
3.4 KiB
Ruby
77 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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# See https://docs.gitlab.com/ee/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class FinalizeCiStagesBigintConversion < ActiveRecord::Migration[6.1]
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include Gitlab::Database::MigrationHelpers
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disable_ddl_transaction!
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TABLE_NAME = 'ci_stages'
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def up
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ensure_batched_background_migration_is_finished(
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job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
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table_name: TABLE_NAME,
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column_name: 'id',
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job_arguments: [['id'], ['id_convert_to_bigint']]
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)
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swap
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end
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def down
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swap
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end
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def swap
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# This will replace the existing ci_stages_pkey index for the primary key
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add_concurrent_index TABLE_NAME, :id_convert_to_bigint, unique: true, name: 'index_ci_stages_on_id_convert_to_bigint'
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# This will replace the existing ci_stages_on_pipeline_id_and_id index
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add_concurrent_index TABLE_NAME, [:pipeline_id, :id_convert_to_bigint],
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name: 'index_ci_stages_on_pipeline_id_and_id_convert_to_bigint',
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where: 'status in (0, 1, 2, 8, 9, 10)'
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# Add a foreign key on ci_builds(stage_id_convert_to_bigint), which we'll rename later. Give it the correct final name
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fk_stage_id = concurrent_foreign_key_name(:ci_builds, :stage_id)
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fk_stage_id_tmp = "#{fk_stage_id}_tmp"
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add_concurrent_foreign_key :ci_builds, :ci_stages, column: :stage_id,
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target_column: :id_convert_to_bigint,
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name: fk_stage_id_tmp,
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on_delete: :cascade,
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reverse_lock_order: true
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# Now it's time to do things in a transaction
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with_lock_retries(raise_on_exhaustion: true) do
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execute "LOCK TABLE #{TABLE_NAME}, ci_builds IN ACCESS EXCLUSIVE MODE"
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temp_name = quote_column_name('id_tmp')
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id_name = quote_column_name(:id)
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id_convert_to_bigint_name = quote_column_name(:id_convert_to_bigint)
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{id_name} TO #{temp_name}"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{id_convert_to_bigint_name} TO #{id_name}"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{temp_name} TO #{id_convert_to_bigint_name}"
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function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME, connection: connection).name(:id, :id_convert_to_bigint)
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execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
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# Swap defaults
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execute "ALTER SEQUENCE ci_stages_id_seq OWNED BY #{TABLE_NAME}.id"
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change_column_default TABLE_NAME, :id, -> { "nextval('ci_stages_id_seq'::regclass)"}
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change_column_default TABLE_NAME, :id_convert_to_bigint, 0
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# Swap pkey constraint
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# This will drop fk_3a9eaa254d (ci_builds(stage_id) references ci_stages(id))
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execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT ci_stages_pkey CASCADE"
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rename_index TABLE_NAME, 'index_ci_stages_on_id_convert_to_bigint', 'ci_stages_pkey'
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execute "ALTER TABLE #{TABLE_NAME} ADD CONSTRAINT ci_stages_pkey PRIMARY KEY USING INDEX ci_stages_pkey"
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# Rename the other indexes
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execute "DROP INDEX index_ci_stages_on_pipeline_id_and_id"
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rename_index TABLE_NAME, 'index_ci_stages_on_pipeline_id_and_id_convert_to_bigint', 'index_ci_stages_on_pipeline_id_and_id'
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rename_constraint(:ci_builds, fk_stage_id_tmp, fk_stage_id)
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end
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end
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end
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