diff options
Diffstat (limited to 'db/post_migrate/20210713042153_finalize_ci_sources_pipelines_bigint_conversion.rb')
-rw-r--r-- | db/post_migrate/20210713042153_finalize_ci_sources_pipelines_bigint_conversion.rb | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/db/post_migrate/20210713042153_finalize_ci_sources_pipelines_bigint_conversion.rb b/db/post_migrate/20210713042153_finalize_ci_sources_pipelines_bigint_conversion.rb deleted file mode 100644 index 38b7852b320..00000000000 --- a/db/post_migrate/20210713042153_finalize_ci_sources_pipelines_bigint_conversion.rb +++ /dev/null @@ -1,67 +0,0 @@ -# frozen_string_literal: true - -class FinalizeCiSourcesPipelinesBigintConversion < ActiveRecord::Migration[6.1] - include Gitlab::Database::MigrationHelpers - - disable_ddl_transaction! - - TABLE_NAME = 'ci_sources_pipelines' - - def up - ensure_batched_background_migration_is_finished( - job_class_name: 'CopyColumnUsingBackgroundMigrationJob', - table_name: TABLE_NAME, - column_name: 'id', - job_arguments: [['source_job_id'], ['source_job_id_convert_to_bigint']] - ) - - swap - end - - def down - swap - end - - private - - def swap - # This is to replace the existing "index_ci_sources_pipelines_on_source_job_id" btree (source_job_id) - add_concurrent_index TABLE_NAME, :source_job_id_convert_to_bigint, name: 'index_ci_sources_pipelines_on_source_job_id_convert_to_bigint' - - # Add a foreign key on `source_job_id_convert_to_bigint` before we swap the columns and drop the old FK (fk_be5624bf37) - add_concurrent_foreign_key TABLE_NAME, :ci_builds, - column: :source_job_id_convert_to_bigint, on_delete: :cascade, - name: 'fk_be5624bf37_tmp', reverse_lock_order: true - - with_lock_retries(raise_on_exhaustion: true) do - # We'll need ACCESS EXCLUSIVE lock on the related tables, - # lets make sure it can be acquired from the start - execute "LOCK TABLE ci_builds, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE" - - # Swap column names - temp_name = 'source_job_id_tmp' - execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(:source_job_id)} TO #{quote_column_name(temp_name)}" - execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(:source_job_id_convert_to_bigint)} TO #{quote_column_name(:source_job_id)}" - execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(temp_name)} TO #{quote_column_name(:source_job_id_convert_to_bigint)}" - - # We need to update the trigger function in order to make PostgreSQL to - # regenerate the execution plan for it. This is to avoid type mismatch errors like - # "type of parameter 15 (bigint) does not match that when preparing the plan (integer)" - function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME, connection: connection).name(:source_job_id, :source_job_id_convert_to_bigint) - execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL" - - # No need to swap defaults, both columns have no default value - - # Rename the index on the `bigint` column to match the new column name - # (we already hold an exclusive lock, so no need to use DROP INDEX CONCURRENTLY here) - execute 'DROP INDEX index_ci_sources_pipelines_on_source_job_id' - rename_index TABLE_NAME, 'index_ci_sources_pipelines_on_source_job_id_convert_to_bigint', 'index_ci_sources_pipelines_on_source_job_id' - - # Drop original FK on the old int4 `source_job_id` (fk_be5624bf37) - remove_foreign_key TABLE_NAME, name: 'fk_be5624bf37' - # We swapped the columns but the FK is still using the temporary name - # So we have to also swap the FK name now that we dropped the other one - rename_constraint(TABLE_NAME, 'fk_be5624bf37_tmp', 'fk_be5624bf37') - end - end -end |