(0 rows) postgres=# show search_path; #查看模式,搜索路径 search_path --- "$user", public (1 row) postgres=# set search_path to public,test1; #把创建的模式test1添加到模式搜索路径 SET postgres=# show search_path; search_path --- public, test1 (1 row) postgres=# \d #能查询到a表...
vi /data/postgresql/data/postgresql.conf shared_preload_libraries ='passwordcheck'# 如果是多个模块就这样添加~]# grep shared_pr /data/postgres/postgresql.confshared_preload_libraries ='file_fdw,passwordcheck'# (change requires restart)postgres=# show shared_preload_libraries;shared_preload_libraries --...
select round(sum(idx_scan)/(sum(idx_scan) + sum(seq_scan)),4) as index_scan_ratio from pg_stat_all_tables where schemaname='GPO'; 查看schema下表索引扫描比例: select relname,idx_scan::float/(idx_scan+seq_scan+1) as idx_scan_ratio from pg_stat_all_tables where schemaname='GPO' ...
One thing I noticed while testing it was that the tab completeion for partitions (Query_for_partition_of_table) shows all the schemas in the DB, even ones that don't contain any partitions of the table being altered. - ilmari From 26db03b7a7675aa7dbff1f18ee084296caa1e181 Mon Sep 17...
# 创建归档日志的目录 mkdir -p /data/postgres/archlog/ # 修改配置文件并重启pgsql archive_mode = on archive_command = 'cp %p /data/postgres/archlog/%f' wal_level = replica # 登陆数据库查看配置 postgres=# show archive_mode; archive_mode --- on (1 row) postgres=# show archive_command...
, --help[=options] show this help, then exit --help=commands list backslash commands, then exit --help=variables list special variables, then exit Input and output options: -a, --echo-all echo all input from script -b, --echo-errors echo failed commands -e, --echo-queries echo ...
PostgreSQL 运行时的参数设置可以通过SHOW语句进行查看:SHOW nameSHOW ALL例如:hrdb=> show shared_buffers; shared_buffers --- 256MB(1 row)运行时的参数可以通过SET语句、修改 postgresql.conf 配置文件、设置 PGOPTIONS 环境变量(使用 libpq 或者基于 libpq应用连接)或者启动服务时的命令行参数进行设置。使用SET...
$ echo 'show extwlist.extensions' | heroku pg:psql extwlist.extensions --- ...bloom,btree_gin,btree_gist,cube,dblink,dict_int... Install an ExtensionTo create any supported extension, open a session with heroku pg:psql and run the appropriate CREATE EXTENSION command:$ heroku pg:psql...
$ psql-Upostgres-c'SHOW config_file' 附加到 postgresql.conf listen_addresses='*' 附加到 pg_hba.conf(与 postgresql.conf 相同的位置) hostall all0.0.0.0/0 md5hostall all ::/0 md5 重启PostgreSQL 服务器 $sudosystemctl restart postgresql ...
SHOWSERVER_VERSION; 显示系统状态 \conninfo 显示环境变量 SHOWALL; 列出用户 SELECTrolnameFROMpg_roles; 显示当前用户 SELECTcurrent_user; 显示当前用户的权限 \du 显示当前数据库 SELECTcurrent_database(); 显示数据库中的所有表 \dt 列出函数 \df<schema> ...