select * from gp_toolkit.gp_skew_idle_fraction(IN targetoid oid, OUT sifoid oid, OUT siffraction numeric); select * from gp_toolkit.gp_bloat_diag(IN btdrelpages int4, IN btdexppages numeric, IN aotable bool, OUT bltidx int4, OUT bltdiag text); select * from gp_toolkit."__gp_ao...
可以通过lsnrctl status [listener_name] 查看当前的服务下有多少个实例为其响应该服务。 也可以通过lsnrctl service [listener_name] 查看更详细的信息,包括当前的连接状况,ip,端口号等。 service_name 指客户端连接到实例的服务名。在Oracle 8i时就有提出service_name的概念,通常用于代替tnsnames.ora中的ORACLE_SID。
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Greenplum数据库提供了一个名为gp_tooikit的管理schema,该schema下有关于查询系统目录,日志文件, 用户创建(databases,schema,table,indexs,view,function)等信息,也可以查询资源队列,表的膨胀表,表的倾斜, 系统自己维护的ID等的相关信息。注意不要在该schema下创建任何对象,否则会影响系统对元数据维护的错误问题, 同时...
[errCode] => 0 [resultStatus] => 7 [resultDiag] => Array ( [severity] => [sqlstate] => [message_primary] => [message_detail] => [message_hint] => [statement_position] => [internal_position] => [internal_query] => [content] => [schema_name] => [table_name] => [column_...
enable_pg用于设置是否开启分区组功能。 属性说明 属性描述 参数类型Bool 默认值False 取值范围 True:开启 False:不开启 是否可修改是,支持通过ALTER SYSTEM SET语句修改。 是否重启 OBServer 节点生效否,设置后立即生效。 配置示例 开启分区组功能。 obclient>ALTER SYSTEM SET enable_pg=True;...
enable_pg用于设置是否开启分区组功能。 属性说明 属性描述 参数类型Bool 默认值False 取值范围 True:开启 False:不开启 是否可修改是,支持通过ALTER SYSTEM SET语句修改。 是否重启 OBServer 节点生效否,设置后立即生效。 配置示例 开启分区组功能。 obclient>ALTER SYSTEM SET enable_pg=True; ...
NAME DBD::Pg - PostgreSQL database driver for the DBI module SYNOPSIS use DBI; $dbh = DBI->connect("dbi:Pg:dbname=$dbname", '', '', {AutoCommit => 0}); # The AutoCommit attribute should always be explicitly set # For some advanced uses you may need PostgreSQL type values: use DB...
*/publicfunction__construct($result, $sql, $link, $return_objects){// PGSQL_COMMAND_OK <- SET client_encoding = 'utf8'// PGSQL_TUPLES_OK <- SELECT table_name FROM information_schema.tables// PGSQL_COMMAND_OK <- INSERT INTO pages (name) VALUES ('gone soon')// PGSQL_COMMAND_OK...
case SQL_DESC_NAME: case SQL_DESC_SCHEMA_NAME: case SQL_DESC_TABLE_NAME: case SQL_DESC_TYPE_NAME: uval = ucs2_to_utf8(Value, BufferLength > 0 ? BufferLength / WCLEN : BufferLength, &vallen, FALSE); val_alloced = TRUE; break; ...