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我有一張表,名爲base
,我需要在插入記錄後進行更新。我寫了一個函數。使用postgres函數更新表列
CREATE OR REPLACE FUNCTION host_ip() RETURNS trigger AS $host_ip$
BEGIN
update base set thumbnail_url =
replace ("thumbnail_url",'localhost','myipadd') WHERE id = NEW.id;
RETURN NEW;
END;
$host_ip$ LANGUAGE plpgsql;
該函數在插入記錄時給我錯誤。我有一個插入後調用函數的觸發器。該錯誤是PL/pgSQL function host_ip() line 4 at SQL statement SQL statement
觸發是:
CREATE TRIGGER host_ip AFTER INSERT OR UPDATE ON base
FOR EACH ROW EXECUTE PROCEDURE host_ip();
我已經添加了扳機 –