wal_segment_size | {NOT_IN_SAMPLE,RUNTIME_COMPUTED} zero_damaged_pages | {NOT_IN_SAMPLE} (45 rows) 所有这些主要是开发人员或跟踪设置,因此不包含在默认的 postgresql.conf 中。可能会问:如果您执行reset all,哪些参数不会被重置? mydb=# with flags_all as (select name,pg_settings_get_flags(name...
#查看表空间大小selectpg_tablespace_size('pg_default');#查看各个表空间的大小selectspcname,pg_size_pretty(pg_tablespace_size(spcname))frompg_tablespace;#查看DB大小selectpg_size_pretty(pg_database_size(db_name));#查看所有数据库的大小selectpg_database.datname,pg_size_pretty(pg_database_size(pg...
postgres=# db+ List of tablespaces Name | Owner | Location | Access privileges | Options | Size | Description ---+---+---+---+---+---+--- dbt2_index1 | postgres | /data02/pg/tbs_tpcc/index1/ts | | | 452 MB | dbt2_index2 | postgres | /data02/pg/tbs_tpcc/index2/...
DEBIAN_FRONTEND=noninteractive apt-get -y install timescaledb-2-postgresql-14# timescaledb-toolkit-postgresql-14#RUN sed -r -i "s/[#]*\s*(shared_preload_libraries)\s*=\s*'(.*)'/\1 = 'timescaledb,\2'/;s/,'/'/" /usr/share/postgresql/postgresql.conf.sample## Postgis# https:/...
9.mydb=> \i basics.sql \i 命令从指定的文件中读取命令。 10.COPY weather FROM '/home/user/weather.txt'; 批量将文本文件中内容导入到wether表 11.SHOW search_path; 显示搜索路径 12.创建用户 CREATE USER 用户名 WITH PASSWORD '密码' 13.创建模式 ...
To get the disk space occupied by a database (nicely formatted): SELECT pg_size_pretty(pg_database_size('mydb')); Disk space occupied by a tablespace: SELECT pg_size_pretty(pg_tablespace_size('mytblspace')); Find out more about database object size functions in the manual: Share ...
fetch_size：指定每次读取的数据行数。该参数可以基于外部表或者外部服务器进行指定，基于外部表指定的参数优先级更高。默认为 100；character_set：MySQL 连接使用的字符集。默认为 auto，表示基于操作系统设置进行自动配置。在引入该选项之前，字符集设置为 PostgreSQL 数据库字符集. To get this 。如果想要兼容历史...
12、getDumpableObjects从dumpIdMap数组中获取dump对象 13、sortDumpableObjectsByTypeName、sortDataAndIndexObjectsBySize(如果是并行dump,需要按表大小排序)、sortDumpableObjects把所有对象重新排列:不同类型对象导出优先级依赖于dbObjectTypePriority数组;相同类型按名称排序 static const int dbObjectTypePriority[] = {...
DB=# select a.relname as table_name,b.conname as constraint_name,b.contype as constraint_type from pg_class a,pg_constraint b where a.oid = b.conrelid and a.relname = 'cc'; 查看XX数据库的大小 SELECT pg_size_pretty(pg_database_size('XX')) As fulldbsize; ...
Schema|Name|Type|Owner|Persistence|Access method|Size|Description---+---+---+---+---+---+---+---public|example_tbl|table|postgres|permanent|heap|8192bytes|public|pg_stat_statements|view|postgres|permanent||0bytes|public|pg_stat_statements_info|view|postgres|permanent||0bytes|postgres=#...