from pg_stat_activitywherestate ='active';#锁的sqlSELECT a.fgroupId AS groupid, a.fbizappid AS appid, a.fbizobjectid AS objectid, b.fnumber AS modulenum FROM t_lic_licensegroupctrl a LEFT OUTER JOIN t_lic_module b ON a.fmoduleid = b.fid 问题解决 应该是本地启动许可查询哪里锁了...
from pg_stat_activitywherestate ='active';#锁的sqlSELECT a.fgroupId AS groupid, a.fbizappid AS appid, a.fbizobjectid AS objectid, b.fnumber AS modulenum FROM t_lic_licensegroupctrl a LEFT OUTER JOIN t_lic_module b ON a.fmoduleid = b.fid 问题解决 应该是本地启动许可查询哪里锁了...
这里MongoDB的ObjectID相对UUID有个很大的优点就是ObjectID是时间上有序的。另外还有ObjectID本身也包含了很多其它有用的信息,通过直接解码ObjectID即可直接获得这些信息。SnowflakeSnowflake是twitter开源的一款独立的适用于分布式环境的ID生成服务器。生成的ID是64Bits,同时满足高性能(>10K ids/s),低延迟(<2ms)和高可...
ceph client 对 objectID 做哈希 ceph client 对该 hash 值取 PG 总数的模,得到 PG 编号(比如 32),(第 2 和第 3 步基本保证了一个 pool 内部的所有 PG 将会被均匀地使用) ceph client 对 pool ID 取 hash(比如 “pool1” = 3) ceph client 将 pool ID 和 PG ID 组合在一起(比如 3.23)得到 ...
ceph client 对 objectID 做哈希 ceph client 对该 hash 值取 PG 总数的模, 得到 PG 编号(比如 32),(第 2 和第 3 步基本保证了一个 pool 内部的所有 PG 将会被均匀地使用) ceph client 对 pool ID 取 hash(比如 “pool1” = 3) ceph client 将 pool ID 和 PG ID 组合在一起(比如 3.23)得到...
pageID: 数据库中该页的文件编号和页编号 nextPage:如果该页位于一个页链中,则该字段表示下一页的文件编号和页编号 pervPage:如果该页位于一个页链中,则该字段表示上一页的文件编号和页编号 Metadata:ObjectId:该页所在对象的ID indexId:该页的索引ID(0为数据页) ...
1HeapTuple SearchSysCacheAttName(Oid relid,constchar*attname){2HeapTuple tuple;3tuple =SearchSysCache(ATTNAME,4ObjectIdGetDatum(relid),5CStringGetDatum(attname),60,0);7if(!HeapTupleIsValid(tuple))8returnNULL;9if(((Form_pg_attribute) GETSTRUCT(tuple))->attisdropped){10ReleaseSysCache(tuple)...
"id" export PG_OBJECTID="${OBJECT_ID}" Custom PostgreSQL LIMIT The provider uses Postgres JSONB which limits document size to 255MB in size. To optimize returning data from large datasets exceeding 255MB you can optionally add a limit to just a portion of the rows that are used to ...
in(PostgresqlObjectId.UNSPECIFIED, "Hello")) .execute();If you do not have control over the created SQL or you want to send all String values in a CITEXT-compatible way, then you can customize the driver configuration by registering a StringCodec to send String values with the UNSPECIFIED ...
postgres=#selectoid,relname,relnamespacefrompg_classwhererelname='pg_class';oid|relname|relnamespace---+---+---1259|pg_class|11-- 三个 预定义好的Oid 类型#defineFirstGenbkiObjectId10000#defineFirstUnpinnedObjectId12000#defineFirstNormalObjectId16384 接下来看看 PostgreSQL 内部非常重要...