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# frozen_string_literal: true
class AddNullifyBuildDataTriggerOnMergeRequestMetrics < Gitlab::Database::Migration[1.0]
include Gitlab::Database::SchemaHelpers
TABLE_NAME = 'merge_request_metrics'
FUNCTION_NAME = 'nullify_merge_request_metrics_build_data'
TRIGGER_NAME = 'nullify_merge_request_metrics_build_data_on_update'
def up
create_trigger_function(FUNCTION_NAME) do
<<~SQL
IF (OLD.pipeline_id IS NOT NULL) AND (NEW.pipeline_id IS NULL) THEN
NEW.latest_build_started_at = NULL;
NEW.latest_build_finished_at = NULL;
END IF;
RETURN NEW;
SQL
end
create_trigger(TABLE_NAME, TRIGGER_NAME, FUNCTION_NAME, fires: 'BEFORE UPDATE')
end
def down
drop_trigger(TABLE_NAME, TRIGGER_NAME)
drop_function(FUNCTION_NAME)
end
end
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