मेरे पास है:PostgreSQL उत्प्रेरक त्रुटि
DELETE FROM "Podania"
I get
ERROR: record "old" is not assigned yet
DETAIL: The tuple structure of a not-yet-assigned record is indeterminate.
CONTEXT: PL/pgSQL function "aktualizujiloscpodan" line 11 at assignment
********** Błąd **********
ERROR: record "old" is not assigned yet
Stan SQL:55000
Szczegóły:The tuple structure of a not-yet-assigned record is indeterminate.
Kontekst:PL/pgSQL function "aktualizujiloscpodan" line 11 at assignment
ऐसा लगता है ऐसा लगता है जैसे OLD
या NEW
है क्या पता नहीं है:
CREATE OR REPLACE FUNCTION aktualizujIloscPodan() RETURNS TRIGGER AS
$BODY$
DECLARE
n integer;
sid integer;
BEGIN
sid=0;
IF (TG_OP='INSERT') THEN
sid = NEW."studentID";
ELSIF (TG_OP='DELETE') THEN
sid = OLD."studentID";
END IF;
n = COALESCE ((SELECT count("studentID") as c
FROM "Podania" WHERE "studentID"=sid
GROUP BY "studentID"), 0);
UPDATE "Studenci" SET "licznikpodan" = n WHERE "ID"=sid;
END;
$BODY$
LANGUAGE plpgsql;
DROP TRIGGER IF EXISTS triggenPodan ON "Podania";
CREATE TRIGGER triggenPodan AFTER INSERT OR DELETE
ON "Podania"
EXECUTE PROCEDURE aktualizujIloscPodan();
जब मैं निष्पादित करने के लिए प्रयास करें। मैं कैसे इसे ठीक कर सकता हूं?
ओह मैन, यह इतना स्पष्ट है .... धन्यवाद :) –