ERROR: relation "pg_buffercache" does not exist LINE 1: select * from pg_buffercache; 原因:消息'relation does not exist'通常是因为没有连接到相应数据库。因为我只是psql连接后,没有切换到某个数据库。 解决方法: 1 2 3 \c yourDb yourDb=# CREATE EXTENSION IF NOT EXISTS pg_buffercache; your...
原因:消息'relation does not exist'通常是因为没有连接到相应数据库。因为我只是psql连接后,没有切换到某个数据库。 解决方法: 1 2 3 \c yourDb yourDb=#CREATEEXTENSION IFNOTEXISTS pg_buffercache; yourDb=#SELECTcount(*)FROMpg_buffercache;
extension "pg_buffercache" already exists and relation "pg_buffercache" does not exist 0 ERROR: relation "codepool_codepoolseq_seq" does not exist SQL state: 42P01 0 relation "table" does not exist Hot Network Questions What does "if you ever get up this way" mean? Fi...
原因:消息'relation does not exist'通常是因为没有连接到相应数据库。因为我只是psql连接后,没有切换到某个数据库。 解决方法: 1 2 3 \c yourDb yourDb=#CREATEEXTENSION IFNOTEXISTS pg_buffercache; yourDb=#SELECTcount(*)FROMpg_buffercache;
(1rows) 2.查看当前服务器是否可以使用pg_buffercache扩展 1 postgres=#select*frompg_available_extensionswherename='pg_buffercache'; 3.安装pg_buffercache扩展 1 2 3 4 5 6 7 8 postgres-#createextension pg_buffercache; postgres-# \dx Listofinstalled extensions ...
(1rows) 2.查看当前服务器是否可以使用pg_buffercache扩展 1 postgres=#select*frompg_available_extensionswherename='pg_buffercache'; 3.安装pg_buffercache扩展 1 2 3 4 5 6 7 8 postgres-#createextension pg_buffercache; postgres-# \dx Listofinstalled extensions ...