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...
ERROR: relation"pg_buffercache"doesnotexist LINE 1:select*frompg_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=#CREATEEXTENSION IFNOTEXISTS pg_buffercache; yourDb=#SELECTcount(*)...
However, I get relation "pg_buffercache" does not exist error. I have already added pg_buffercache extension (CREATE EXTENSION pg_buffercache;), restarted server afterwards and checked if it is present: postgres=# \dx pg_buffercache | 1.0 | public | examine the shared buffer cache ...
postgres-# , pg_size_pretty(count(*) * 8192) as buffered postgres-# , round(100.0 * count(*) / (...-# , round(100.0 * count(*) * 8192 / pg_relation_size(c.oid),1) AS percent_of_relation postgres-#...FROM pg_class c postgres-# INNER JOIN pg_buffercache b ON b.relfileno...
---创建一个视图查看pg_locks=> CREATE VIEW locks AS SELECT pid, locktype, CASE locktype WHEN 'relation' THEN relation::regclass::text WHEN 'transactionid' THEN transactionid::text WHEN 'virtualxid' THEN virtualxid END AS lockid, mode, ...
errmsg("tablespace \"%s\" does not exist", stmt->tablespacename)));/* Must be owner of the existing object */if(!pg_tablespace_ownercheck(HeapTupleGetOid(tup), GetUserId())) aclcheck_error(ACLCHECK_NOT_OWNER, ACL_KIND_TABLESPACE, ...
示例2: pg_relation_size_oid ▲点赞 5▼ Datumpg_relation_size_oid(PG_FUNCTION_ARGS){ Oid relOid = PG_GETARG_OID(0); Relation rel; int64 size =0;if(GP_ROLE_EXECUTE == Gp_role) { ereport(ERROR, (errcode(ERRCODE_GP_COMMAND_ERROR), ...
ERROR: relation"pg_buffercache"doesnotexist LINE 1:select*frompg_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=#CREATEEXTENSION IFNOTEXISTS pg_buffercache; ...
RelationCacheInvalidateEntry(relation->rd_id); } 开发者ID:amulsul,项目名称:postgres,代码行数:34,代码来源:matview.c 示例2: pg_truncate_visibility_map /* * Remove the visibility map fork for a relation. If there turn out to be * any bugs in the visibility map code that require rebuilding...
pfree(pg); } 开发者ID:jandas,项目名称:postgres,代码行数:63,代码来源:visibilitymap.c 示例2: SpGistNewBuffer /* * Allocate a new page (either by recycling, or by extending the index file). * * The returned buffer is already pinned and exclusive-locked. ...