SELECT oid,* from pg_tablespace; oid | spcname | spcowner | spcacl | spcoptions ---+---+---+---+--- 1663 | pg_default | 10 | | 1664 | pg_global | 10 | | Note the table space OID, i.e. 1663 3) 代码语言:javascript 代码运行次数:0 运行 AI代码解释 SELECT pg_current_wal...
范围分区实现:1、创建主表 CREATE TABLE part_range ( order_id int, name varchar(50) NULL, saledate timestamp NOT NULL DEFAULT now()) PARTITION BY RANGE(saledate);alter table part_range add primary key(id,saledate);\d+ part_range 2、创建分区表 create table p1_202401 partition of part_r...
NOTICE: attempting to install extension "repmgr" NOTICE: "repmgr" extension successfully installed NOTICE: primary node record (ID: 1) registered [pg13@lhrrepmgr64361 pg13]$ [pg13@lhrrepmgr64361 pg13]$ repmgr -f /pg13/pg13/repmgr.conf cluster show ID | Name | Role | Status | Upstream ...
test=# insert into t3 values(generate_series(1,100000), now()::timestamp, md5(random()::text)); INSERT 0 100000 test=# create index on t3(a, b); CREATE INDEX test=# analyze t3; ANALYZE test=# \d t3 Table "public.t3" Column | Type | Collation | Nullable | Default ---+---...
;(async() =>{lettm =Date.now();awaitpqorm.model('log').insert({id:`log_${tm}`,log_time: tm,status:'ok'});letusers = [ {id:123,username:'abc'}, {id:234,username:'xyz'} ];awaitpqorm.model('users').insertAll(users); ...
round(cast(字段名 as numeric), 保留位数) as "value" 1. 时间偏移 单位: ms-毫秒 s-秒 min-分钟 hour-时 day-日 week-周 month-月 year-年 select now() - '182 day' :: INTERVAL as "time" 1. 分组取其中指定的数据 WITH ab AS ( ...
show default_tablespace; 19.设置默认表空间 set default_tablespace=表空间名称; 20.指定用户登录 psql MTPS -u 21.显示当前系统时间、 now() 22.配置plpgsql语言 CREATE LANGUAGE ‘plpgsql’ HANDLER plpgsql_call_handler 23.删除规则 DROP RULE name ON relation [ CASCADE | RESTRICT ]输入 ...
net.core.rmem_default = 262144 # The default setting of the socket receive buffer in bytes. net.core.rmem_max = 4194304 # The maximum receive socket buffer size in bytes net.core.wmem_default = 262144 # The default setting (in bytes) of the socket send buffer. ...
例如,上面的表空间详情表示,pg_default 这个表空间对应的就是base这个目录了,那么,如何证明呢? postgres-# \db+ pg_defaultList of tablespacesName | Owner | Location | Access privileges | Options | Size | Description---+---+---+---+---+---+---pg_default | pg1 | | | | 23 MB |(1...