69 lines
2.5 KiB
Ruby
69 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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class SwapNoteDiffFilesNoteIdToBigintForGitlabDotCom < Gitlab::Database::Migration[2.1]
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include Gitlab::Database::MigrationHelpers::ConvertToBigint
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disable_ddl_transaction!
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TABLE_NAME = 'note_diff_files'
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def up
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return unless should_run?
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swap
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end
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def down
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return unless should_run?
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swap
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add_concurrent_index TABLE_NAME, :diff_note_id_convert_to_bigint, unique: true,
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name: 'index_note_diff_files_on_diff_note_id_convert_to_bigint'
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add_concurrent_foreign_key TABLE_NAME, :notes, column: :diff_note_id_convert_to_bigint,
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name: 'fk_note_diff_files_diff_note_id_convert_to_bigint',
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on_delete: :cascade,
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validate: false
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end
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def swap
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# This will replace the existing index_note_diff_files_on_diff_note_id
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add_concurrent_index TABLE_NAME, :diff_note_id_convert_to_bigint, unique: true,
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name: 'index_note_diff_files_on_diff_note_id_convert_to_bigint'
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# This will replace the existing fk_rails_3d66047aeb
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add_concurrent_foreign_key TABLE_NAME, :notes, column: :diff_note_id_convert_to_bigint,
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name: 'fk_note_diff_files_diff_note_id_convert_to_bigint',
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on_delete: :cascade
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with_lock_retries(raise_on_exhaustion: true) do
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execute "LOCK TABLE notes, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN diff_note_id TO diff_note_id_tmp"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN diff_note_id_convert_to_bigint TO diff_note_id"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN diff_note_id_tmp TO diff_note_id_convert_to_bigint"
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function_name = Gitlab::Database::UnidirectionalCopyTrigger
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.on_table(TABLE_NAME, connection: connection)
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.name(:diff_note_id, :diff_note_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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change_column_default TABLE_NAME, :diff_note_id, nil
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change_column_default TABLE_NAME, :diff_note_id_convert_to_bigint, 0
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execute 'DROP INDEX IF EXISTS index_note_diff_files_on_diff_note_id'
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rename_index TABLE_NAME, 'index_note_diff_files_on_diff_note_id_convert_to_bigint',
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'index_note_diff_files_on_diff_note_id'
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execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT IF EXISTS fk_rails_3d66047aeb"
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rename_constraint(TABLE_NAME, 'fk_note_diff_files_diff_note_id_convert_to_bigint', 'fk_rails_3d66047aeb')
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end
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end
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def should_run?
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com_or_dev_or_test_but_not_jh?
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end
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end
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