defget_partitions(self, db_name, table, max_parts=None):ifmax_partsisNoneormax_parts >BROWSE_PARTITIONED_TABLE_LIMIT.get(): max_parts =BROWSE_PARTITIONED_TABLE_LIMIT.get()# DB name not supported in SHOW PARTITIONSself.use(db_name)returnself.client.get_partitions(db_name, table.name, m...
hg_experimental_foreign_table_max_partition_limit 是一个与特定数据库系统(如Greenplum或基于PostgreSQL的某些分支)相关的配置参数,用于控制外部表(foreign table)可以拥有的最大分区数。以下是如何更改此参数的详细步骤: 1. 理解 hg_experimental_foreign_table_max_partition_limit 参数的作用 hg_experimental_foreign...
表使用PARTITION BY RANGE ( to_days(insert_time) 来分区;我们有一个查询平台,默认会触发类似select * from table limit 1这种语句,每次打开查询平台,对应的tidbserver都会oom;使用explain select * from table limi 1;发现这个sql 扫描了所有的partiton。请问有什么办法能够避免select * from table limit 1 这种...
Re: partition a table by day and limit rows to 7 days Darren White November 02, 2012 04:11AM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and do...
October 31, 2012 08:24AM Re: partition a table by day and limit rows to 7 days Rick James November 01, 2012 10:57PM Re: partition a table by day and limit rows to 7 days Darren White November 02, 2012 04:11AM Sorry, you can't reply to this topic. It has been closed. ...