gitlab-org--gitlab-foss/db/migrate/20211005100112_recreate_loo...

41 lines
1.1 KiB
Ruby

# frozen_string_literal: true
class RecreateLooseFkInsertFunction < Gitlab::Database::Migration[1.0]
include Gitlab::Database::MigrationHelpers::LooseForeignKeyHelpers
def up
execute(<<~SQL)
CREATE OR REPLACE FUNCTION #{DELETED_RECORDS_INSERT_FUNCTION_NAME}()
RETURNS TRIGGER AS
$$
BEGIN
INSERT INTO loose_foreign_keys_deleted_records
(partition, fully_qualified_table_name, primary_key_value)
SELECT 1, TG_TABLE_SCHEMA || '.' || TG_TABLE_NAME, old_table.id FROM old_table
ON CONFLICT DO NOTHING;
RETURN NULL;
END
$$ LANGUAGE PLPGSQL
SQL
end
def down
# old function
execute(<<~SQL)
CREATE OR REPLACE FUNCTION #{DELETED_RECORDS_INSERT_FUNCTION_NAME}()
RETURNS TRIGGER AS
$$
BEGIN
INSERT INTO loose_foreign_keys_deleted_records
(deleted_table_name, deleted_table_primary_key_value)
SELECT TG_TABLE_NAME, old_table.id FROM old_table
ON CONFLICT DO NOTHING;
RETURN NULL;
END
$$ LANGUAGE PLPGSQL
SQL
end
end