[GitHub] [incubator-doris] imay commented on a change in pull request #2828: [Temp Partition] Support add/drop/replace temp partitions

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imay commented on a change in pull request #2828: [Temp Partition] Support add/drop/replace temp partitions
URL: https://github.com/apache/incubator-doris/pull/2828#discussion_r375328471
 
 

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 File path: docs/documentation/cn/administrator-guide/alter-table/alter-table-temp-partition.md
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+
+# 临时分区
+
+在 0.12 版本中，Doris 支持了临时分区功能。临时分区是对 Doris 中**已存在的数据表分区**的一个复制。这个复制操作仅复制分区的元数据，如分区值范围，分桶数，副本数等等，而**不复制数据**。
 
 Review comment:
   I don't think the temporary partition should be a metadata copy of an existing partition. How do I accomplish the following things? How to split a particularly large partition into multiple small partitions? Or how to merge multiple partitions into one large partition?
   So my point is that temporary partitions should not be bound to existing partitions, they should exist independently. Including the temporary partition should have a separate partition name, and this name has nothing to do with the existing visible partition.

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