When I run pg_dumpall I'm now getting this: $ pg_dumpall -f may2012 pg_dump: schema with OID 7549789 does not exist pg_dumpall: pg_dump failed on database "dealermade", exiting How do I resolve it? UPDATE Here is some of the data requested by @depesz: select relname from pg...
pg_dump [connection-option...] [option...] [dbname] $ pg_dump mydb > db.sql [root@pg-testpgdb_backup]# pwd/data/pgdb_backup [root@pg-testpgdb_backup]# pg_dump -U postgres mydb > ./pgdb_bk_`date +%F`.sql--当然,也可以压缩来节省存储空间: [root@pg-testpgdb_backup]# pg_dump...
postgres@HQ-SIT-kafka013:5432/test=# CREATE ROLE role6 ; CREATE ROLE Time: 2.517 ms # 创建user2 指定组为role6,并且不继承role6的权限 postgres@HQ-SIT-kafka013:5432/test=# CREATE USER user2 in ROLE role6 noinherit password 'oracle'; CREATE ROLE Time: 3.191 ms # public角色的权限已经收回。
[gpadmin@rhmdw config]$ gpexpand -f seg_expand -D gaoyc 20190404:10:17:29:004796 gpexpand:rhmdw:gpadmin-[INFO]:-local Greenplum Version: 'postgres (Greenplum Database) 5.16.0 build commit:23cec7df0406d69d6552a4bbb77035dba4d7dd44' 20190404:10:17:29:004796 gpexpand:rhmdw:gpadmin-[INFO]...
LZ4压缩可以用于TOAST数据:可以在列级别设置或者通过default_toast_compression设置默认值,编译时必须--with-lz4编译。默认仍是PGLZ;LZ4的压缩性能比PGLZ更好,使用更少CPU。测试表明,性能可以提升2倍以上,空间大小仅比PGLZ稍大。 PG 14为TOAST列添加了LZ4压缩,同时保留对pglz压缩的支持。toast列的压缩算法在默认情况...