我想创建一个过程(用于在更新时将一个表()的值复制mover_location
到另一个表(mover_history
)),并希望使用 phppgadmin 在 postgresql 中的触发器上调用它。
这是我尝试过的:
程序 :-
CREATE OR REPLACE FUNCTION log_mover_location()
RETURNS trigger AS
BEGIN
INSERT INTO mover_history(reg_id,last_seen_lat,last_seen_long,last_seen_location_geog,last_updated_at)
VALUES(SELECT
mover_location.reg_id,mover_location.last_seen_lat,mover_location.last_seen_long,mover_location.last_seen_location_geog,mover_location.last_updated_at FROM mover_location) WHERE mover_history.reg_id =
@mover_location.reg_id;
END;
扳机 :-
CREATE TRIGGER update_mover_history
AFTER UPDATE
ON mover_location
FOR EACH ROW
EXECUTE PROCEDURE log_mover_location();
触发器创建成功,
但是在执行该过程时它给了我如下错误:
ERROR: syntax error at or near "BEGIN"
LINE 4: BEGIN
^