23 lines
458 B
PL/PgSQL
23 lines
458 B
PL/PgSQL
/* Updating a datapoint name also updates the jsonb array entry */
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CREATE OR REPLACE FUNCTION update_triggers_datapoint_name()
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RETURNS TRIGGER
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LANGUAGE PLPGSQL
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AS
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$$
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BEGIN
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UPDATE "trigger"
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SET
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datapoints = (datapoints - OLD.name) || jsonb_build_array(NEW.name)
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WHERE
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datapoints ? OLD.name;
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RETURN NEW;
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END;
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$$;
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CREATE TRIGGER datapoint_renamed
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AFTER UPDATE
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ON public.datapoint
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FOR EACH ROW
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EXECUTE PROCEDURE update_triggers_datapoint_name();
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