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# frozen_string_literal: true
class FinalizeConvertGeoJobArtifactDeletedEventsBigint < ActiveRecord::Migration[6.1]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
TABLE_NAME = 'geo_job_artifact_deleted_events'
COLUMN_NAME = 'job_artifact_id'
COLUMN_NAME_CONVERTED = "#{COLUMN_NAME}_convert_to_bigint"
def up
ensure_batched_background_migration_is_finished(
job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
table_name: TABLE_NAME,
column_name: 'id',
job_arguments: [[COLUMN_NAME], [COLUMN_NAME_CONVERTED]]
)
swap
end
def down
swap
end
def swap
old_index_name = 'index_geo_job_artifact_deleted_events_on_job_artifact_id'
bigint_index_name = 'index_geo_job_artifact_deleted_events_on_job_artifact_id_bigint'
add_concurrent_index TABLE_NAME, COLUMN_NAME_CONVERTED, name: bigint_index_name
with_lock_retries(raise_on_exhaustion: true) do
execute("LOCK TABLE #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE")
temp_name = quote_column_name("#{COLUMN_NAME}_tmp")
old_column_name = quote_column_name(COLUMN_NAME)
new_column_name = quote_column_name(COLUMN_NAME_CONVERTED)
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{old_column_name} TO #{temp_name}"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{new_column_name} TO #{old_column_name}"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{temp_name} TO #{new_column_name}"
change_column_default TABLE_NAME, COLUMN_NAME, nil
change_column_default TABLE_NAME, COLUMN_NAME_CONVERTED, 0
function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME, connection: connection).name(COLUMN_NAME, COLUMN_NAME_CONVERTED)
execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
execute "DROP INDEX #{old_index_name}"
rename_index TABLE_NAME, bigint_index_name, old_index_name
end
end
end
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