diff options
Diffstat (limited to 'db/migrate/20210826145509_add_function_for_inserting_deleted_records.rb')
-rw-r--r-- | db/migrate/20210826145509_add_function_for_inserting_deleted_records.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/db/migrate/20210826145509_add_function_for_inserting_deleted_records.rb b/db/migrate/20210826145509_add_function_for_inserting_deleted_records.rb new file mode 100644 index 00000000000..ef688cdfd8c --- /dev/null +++ b/db/migrate/20210826145509_add_function_for_inserting_deleted_records.rb @@ -0,0 +1,27 @@ +# frozen_string_literal: true + +class AddFunctionForInsertingDeletedRecords < ActiveRecord::Migration[6.1] + include Gitlab::Database::MigrationHelpers + include Gitlab::Database::MigrationHelpers::LooseForeignKeyHelpers + + def up + execute(<<~SQL) + CREATE 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 + + def down + drop_function(DELETED_RECORDS_INSERT_FUNCTION_NAME) + end +end |