更新时间：2024-11-27 GMT+08:00
触发器函数
pg_get_triggerdef(oid)
描述：获取触发器的定义信息。
参数：待查触发器的OID。
返回值类型：text
示例：
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SELECT pg_get_triggerdef(oid) FROM pg_trigger; pg_get_triggerdef ---------------------------------------------------------------------------------------------------------------------- CREATE TRIGGER insert_trigger BEFORE INSERT ON test_trigger_src_tbl FOR EACH ROW EXECUTE PROCEDURE tri_insert_func() (1 row) |
pg_get_triggerdef(oid, boolean)
描述：获取触发器的定义信息。
参数：待查触发器的OID及是否以pretty方式展示。
返回值类型：text
仅在创建trigger时指定WHEN条件的情况下，布尔类型参数才生效。
示例：
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SELECT pg_get_triggerdef(oid,true) FROM pg_trigger; pg_get_triggerdef ---------------------------------------------------------------------------------------------------------------------- CREATE TRIGGER insert_trigger BEFORE INSERT ON test_trigger_src_tbl FOR EACH ROW EXECUTE PROCEDURE tri_insert_func() (1 row) SELECT pg_get_triggerdef(oid,false) FROM pg_trigger; pg_get_triggerdef ---------------------------------------------------------------------------------------------------------------------- CREATE TRIGGER insert_trigger BEFORE INSERT ON test_trigger_src_tbl FOR EACH ROW EXECUTE PROCEDURE tri_insert_func() (1 row) |
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