"t2_pkey"PRIMARYKEY, btree (a) Foreign-keyconstraints: "t2_b_fkey"FOREIGNKEY(b)REFERENCESt1(a) postgres=# 假设我们想通过脚本向表中加载一些数据。因为我们不知道脚本中加载的顺序,我们决定将表t2上的外键约束禁用掉,在数据加载之后载开启外键约束: 1 2 3 postgres=#altertablet2 disabletriggerall; ALTER...
问迁移Postgresql时禁用对外键的所有检查EN这几天在 Mac 下装了微软的 Visual Studio Code（下面简称 VS...
DISABLE/ENABLE [ REPLICA | ALWAYS ] TRIGGER These forms configure the firing of trigger(s) belonging to the table. A disabled trigger is still known to the system, but is not executed when its triggering event occurs. For a deferred trigger, the enable status is checked when the event occu...
DROP CONSTRAINT [ IF EXISTS ] constraint_name [ RESTRICT | CASCADE ] DISABLE TRIGGER [ trigger_name | ALL | USER ] ENABLE TRIGGER [ trigger_name | ALL | USER ] ENABLE REPLICA TRIGGER trigger_name ENABLE ALWAYS TRIGGER trigger_name DISABLE RULE rewrite_rule_name ENABLE RULE rewrite_rule_name...
[RESTRICT | CASCADE] DISABLE TRIGGER [trigger_name | ALL | USER] ENABLE TRIGGER [trigger_name | ALL | USER] CLUSTER ON index_name SET WITHOUT CLUSTER SET WITHOUT OIDS SET (FILLFACTOR = value) RESET (FILLFACTOR) INHERIT parent_table NO INHERIT parent_table OWNER TO new_owner SET TABLESPACE...
1. postgresql 获取建表信息 CREATE OR REPLACE FUNCTION tabledef(text,text) RETURNS text LANGUAGE sql STRICT AS $$ WITH attrdef AS ( SELECT n.nspname, c.relname, c.oid, pg_catalog.array_to_string(c.reloptions || array(select 'toast.' || x from pg_catalog.unnest(tc.reloptions) x),...
->{CONSTRAINTS}}, ($constraint); } } elsif (defined$sqlqual) {$rettype= ($types{$sqlstype} ."($sqlqual)"); } }# A few special caseselsif ($sqlstypeeq'bit'and not defined$sqlqual) {$rettype="boolean"; } elsif ($sqlstypeeq'ntext'and not defined$sqlqual) ...
local replication all trust host replication all 127.0.0.1/32 trust host replication all ::1/128 trust 通过配置可支持通过密码远程访问数据库服务器 --修改IPv4网络连接,不限制IP段 [postgres@centos79 pgsql]$ vi pg_hba.conf # IPv4 local connections: ...
local all all trust IPv4 local connections: host all all 127.0.0.1/32 trust host all postgres 0.0.0.0/0 reject host all all 0.0.0.0/0 md5 配置解释 允许任何本地用户无密码连接任何数据库 不允许postgres用户从任何外部地址连接任何数据库
Q&A Break PostgreSQL tips and tricks (10 minutes) Presentation: Speeding up bulk loads (unlogged tables, disable constraints, update only what needs updating, load data sorted, etc.); working with timestamps (time zones, interval, etc.) Wrap-up and Q&A (10 minutes) ...