ERROR: permission denied: "RI_ConstraintTrigger_c_75235" is a system trigger postgres=> 那作为普通用户,该如何禁用触发器呢? 1 postgres=> alter table t4 disable trigger user; 具体语法为: 1 DISABLE TRIGGER [ trigger_name | ALL | USER ] 回到t1、t2表。 1 2 3 4 5 6 7 8 9 10 11...
为了增强sql文的可读性,可以用到Row关键字。如:ROW(’fuzzy dice’, 42, 1.99)作为某个复合类型的值插入table。 如: test=# create type inventory_item as (name text,sid int); CREATE TYPE test=# create table on_hand(item inventory_item); CREATE TABLE test=# insert into on_hand values(row('...
ALTER[COLUMN]columnDROPDEFAULT ALTER[COLUMN]column{SET|DROP}NOTNULL ALTER[COLUMN]columnSETSTATISTICSinteger ALTER[COLUMN]columnSETSTORAGE { PLAIN | EXTERNAL | EXTENDED | MAIN } ADDtable_constraint DROPCONSTRAINTconstraint_name [RESTRICT|CASCADE] DISABLETRIGGER[ trigger_name |ALL|USER] ENABLETRIGGER[ tri...
mysql> insert into t_tudent values(112,'爱国的吴京',6); ERROR 1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`test_wl`.`t_tudent`, CONSTRAINT `t_tudent_ibfk_1` FOREIGN KEY (`t_class`) REFERENCES `t_class` (`class_num`)) 1. 2. 3. 4. 5...
enable constraint CLIENT_TYPE_2019; //启用 alter table FM_CLIENT disable constraint CLIEN ...
In this post, I am sharing one option to Disable / Enable the Foreign Key Constraint in PostgreSQL. During data migration and testing purpose, Database Developer requires to disable Foreign key constraint of a Table. Once you disable constraint, then later you might need t...
PostgreSQL中对应的语法在alter table中,因为触发器与表相关,这样设计语法也符合逻辑的。 https://www.postgresql.org/docs/devel/static/sql-altertable.html ALTERTABLE[ IFEXISTS] [ONLY] name [*] action [, ... ] DISABLETRIGGER[ trigger_name|ALL|USER] ...
ALTER TABLE "MY_SCHEMA".TBLTABLE DISABLE TRIGGER ALL; 我得到错误:权限被拒绝:"RI_ConstraintTrigger_c_16434“是系统触发器。 当我和超级用户一起尝试这个脚本时,我可以运行它。但是我不能用我创建的用户运行它。有什么建议吗?发布于 9 月前 ✅...
Command:CREATETRIGGERDescription:define anewtriggerSyntax:CREATE[CONSTRAINT]TRIGGERname{BEFORE|AFTER|INSTEADOF}{event[OR...]}ONtable_name[FROMreferenced_table_name]{NOTDEFERRABLE|[DEFERRABLE]{INITIALLYIMMEDIATE|INITIALLYDEFERRED}}[FOR[EACH]{ROW|STATEMENT}][WHEN(condition)]EXECUTEPROCEDUREfunction_name(argume...
ALTER TABLE <target_table> ADD CONSTRAINT <foreign key constraint> FOREIGN KEY (<foreign_key_field>)REFERENCES <parent_table>(<primary key field>)...同样增加maintenance_work_mem配置参数也能提高重新创建外键约束的性能。暂停触发器 INSERT或DELETE触发器（如果导入过程还涉及从目标表中删除记录）可能会导致...