diff options
Diffstat (limited to 'db/post_migrate/20230403023828_swap_note_diff_files_note_id_to_bigint_for_gitlab_dot_com.rb')
-rw-r--r-- | db/post_migrate/20230403023828_swap_note_diff_files_note_id_to_bigint_for_gitlab_dot_com.rb | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/db/post_migrate/20230403023828_swap_note_diff_files_note_id_to_bigint_for_gitlab_dot_com.rb b/db/post_migrate/20230403023828_swap_note_diff_files_note_id_to_bigint_for_gitlab_dot_com.rb new file mode 100644 index 00000000000..6a453722de9 --- /dev/null +++ b/db/post_migrate/20230403023828_swap_note_diff_files_note_id_to_bigint_for_gitlab_dot_com.rb @@ -0,0 +1,68 @@ +# frozen_string_literal: true + +class SwapNoteDiffFilesNoteIdToBigintForGitlabDotCom < Gitlab::Database::Migration[2.1] + include Gitlab::Database::MigrationHelpers::ConvertToBigint + + disable_ddl_transaction! + + TABLE_NAME = 'note_diff_files' + + def up + return unless should_run? + + swap + end + + def down + return unless should_run? + + swap + + add_concurrent_index TABLE_NAME, :diff_note_id_convert_to_bigint, unique: true, + name: 'index_note_diff_files_on_diff_note_id_convert_to_bigint' + + add_concurrent_foreign_key TABLE_NAME, :notes, column: :diff_note_id_convert_to_bigint, + name: 'fk_note_diff_files_diff_note_id_convert_to_bigint', + on_delete: :cascade, + validate: false + end + + def swap + # This will replace the existing index_note_diff_files_on_diff_note_id + add_concurrent_index TABLE_NAME, :diff_note_id_convert_to_bigint, unique: true, + name: 'index_note_diff_files_on_diff_note_id_convert_to_bigint' + + # This will replace the existing fk_rails_3d66047aeb + add_concurrent_foreign_key TABLE_NAME, :notes, column: :diff_note_id_convert_to_bigint, + name: 'fk_note_diff_files_diff_note_id_convert_to_bigint', + on_delete: :cascade + + with_lock_retries(raise_on_exhaustion: true) do + execute "LOCK TABLE notes, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE" + + execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN diff_note_id TO diff_note_id_tmp" + execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN diff_note_id_convert_to_bigint TO diff_note_id" + execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN diff_note_id_tmp TO diff_note_id_convert_to_bigint" + + function_name = Gitlab::Database::UnidirectionalCopyTrigger + .on_table(TABLE_NAME, connection: connection) + .name(:diff_note_id, :diff_note_id_convert_to_bigint) + execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL" + + # Swap defaults + change_column_default TABLE_NAME, :diff_note_id, nil + change_column_default TABLE_NAME, :diff_note_id_convert_to_bigint, 0 + + execute 'DROP INDEX IF EXISTS index_note_diff_files_on_diff_note_id' + rename_index TABLE_NAME, 'index_note_diff_files_on_diff_note_id_convert_to_bigint', + 'index_note_diff_files_on_diff_note_id' + + execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT IF EXISTS fk_rails_3d66047aeb" + rename_constraint(TABLE_NAME, 'fk_note_diff_files_diff_note_id_convert_to_bigint', 'fk_rails_3d66047aeb') + end + end + + def should_run? + com_or_dev_or_test_but_not_jh? + end +end |