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我使用Postgres9.5。我有成功返回遊標的結果爲字符串的例子(行串聯): 這裏是例子:返回光標結果,如表
CREATE OR REPLACE FUNCTION get_doctor_appoint()
RETURNS TEXT AS $$
DECLARE
Names TEXT DEfault '';
rec_appoint RECORD;
doctor_appoint cursor
FOR SELECT * FROM appointments
where doctorAMKA = (SELECT doctoramka FROM doctor WHERE username='[email protected]')
AND t>'2017-4-6 00:00:00' AND t<'2017-5-6 00:00:00';
BEGIN
OPEN doctor_appoint;
LOOP
FETCH doctor_appoint INTO rec_appoint;
EXIT WHEN NOT FOUND;
Names:=Names||','||rec_appoint.t||':'||rec_appoint.patientamka;
END LOOP;
CLOSE doctor_appoint;
RETURN Names;
END; $$
LANGUAGE plpgsql;
我想返回的結果爲表,但還沒有找到這樣做的例子。