PG 系统查询脚本 --查询用户进程及文本 SELECT a.pid AS Id,a.usename AS User,a.client_addr AS Host,a.client_port AS Port,datname AS db,query AS Command,a.state AS Idle,l.mode as State,query_start AS Time,CASE WHEN c.relname IS NOT NULL THEN 'Locked Object: ' || c.relname ELSE 'Locked Transaction:' || l.virtualtransaction END AS Info FROM pg_stat_activity a LEFT JOIN pg_locks l ON a.pid = l.pid LEFT JOIN pg_class c ON l.relation = c.oid ORDER BY a.pid ASC,c.relname ASC --查询表 [2015-03-03 17:38:35.668] [002232] [localhost] [PGsql] SELECT tablename,schemaname FROM pg_tables WHERE schemaname='public' ORDER BY schemaname,tablename --查询视图 [2015-03-03 17:38:35.731] [002232] [localhost] [PGsql] SELECT viewname,schemaname FROM pg_views WHERE schemaname='public' ORDER BY schemaname,viewname --查询所属视图及其定义 SELECT c.oid,c.relname,c.relacl,pg_get_userbyid(c.relowner) AS viewowner,pg_get_viewdef(c.oid) AS definition,obj_description(c.oid),n.nspname FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace WHERE c.relkind = 'v'::"char" AND n.nspname = 'public' --查询架构名下表、表注释及表行数 SELECT c.oid,c.relhasoids AS hasoids,n.nspname AS schemaname,c.relname AS tablename,pg_get_userbyid(c.relowner) AS tableowner,t.spcname AS "tablespace",c.relhasindex AS hasindexes,c.relhasrules AS hasrules,c.relhastriggers AS hastriggers,c.reltuples,((SELECT count(*) FROM pg_inherits WHERE inhparent = c.oid) > 0) AS inhtable,i2.relname AS inhtablename,c.reloptions AS param FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace LEFT JOIN pg_tablespace t ON t.oid = c.reltablespace LEFT JOIN (pg_inherits i INNER JOIN pg_class c2 ON i.inhparent = c2.oid) i2 ON i2.inhrelid = c.oid WHERE (c.relkind = 'r'::"char") AND n.nspname = 'public' order by reltuples --查询数据库及所属用户和字符集 SELECT d.datname,d.oid,pg_get_userbyid(d.datdba) AS owner,shobj_description(d.oid,'pg_database') AS comment,t.spcname,d.datacl,d.datlastsysoid,d.encoding,pg_encoding_to_char(d.encoding) AS encodingname FROM pg_database d LEFT JOIN pg_tablespace t ON d.dattablespace=t.oid
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