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...
SQL error: ERROR: relation "public.verbitalian_idverbit_seq" does not exist In statement: SELECT pg_catalog.has_sequence_privilege('public.VerbItalian_idVerbIt_seq','SELECT,USAGE') Name | Start value | Last value | Increment by | Max value | Min value | Cache value | Log count | Can...
我们可以锁定数据库中的对象,比如表(由系统表中的oid定义),页面(由文件名和偏移定义),某个version的行数据(由页面和页面内偏移定义)。我们也可以对一个内存结构加锁,比如hash table或者一个buffer,我们甚至可以锁定一个抽象的资源。 但是通常不可能立即获取锁,因为资源可能已经被其他人锁定了。此时,请求锁的进程要...
Password: Allocating memory for dense node cache Allocating dense node cache in one big chunk Allocating memory for sparse node cache Sharing dense sparse Node-cache: cache=10000MB, maxblocks=160000*65536, allocation method=11 Mid: pgsql, cache=10000 node cache: stored: 0(-nan%), storage effi...
Form_pg_attribute attributeForm = tupleDescriptor->attrs[attributeIndex];if(!attributeForm->attisdropped && attributeForm->attinhcount ==0) {constchar*attributeName =NULL;constchar*attributeTypeName =NULL;if(firstAttributePrinted) { appendStringInfoString(&buffer,", "); ...
2 pg_dump: Error message from server: ERROR: cache lookup failed for type 19 1 PostgreSQL: Exception when relation does not exist 5 PostgreSQL: Error: column of relation does not exist 0 PostgreSQL - No relations found. 0 Postgresql - relation doesn't exist 4 Postgres: `cache...
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...