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update document of alter table oartition (#12077)

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update document of alter table oartition
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weizuo93
2022-08-27 10:08:13 +08:00
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parent 8c5005f247
commit bd4f994c7e
2 changed files with 4 additions and 4 deletions
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4
docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-PARTITION.md
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@ -60,8 +60,8 @@ Notice:
- VALUES LESS THAN [MAXVALUE|("value1", ...)]
- VALUES [("value1", ...), ("value1", ...))
- The partition is left closed and right open. If the user only specifies the right boundary, the system will automatically determine the left boundary
- If the bucketing method is not specified, the bucketing method used for creating the table is automatically used
- If the bucketing method is specified, only the number of buckets can be modified, not the bucketing method or the bucketing column
- If the bucketing method is not specified, the bucketing method and bucket number used for creating the table would be automatically used
- If the bucketing method is specified, only the number of buckets can be modified, not the bucketing method or the bucketing column. If the bucketing method is specified but the number of buckets not be specified, the default value `10` will be used for bucket number instead of the number specified when the table is created. If the number of buckets modified, the bucketing method needs to be specified simultaneously.
- The ["key"="value"] section can set some attributes of the partition, see [CREATE TABLE](./sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md)
- If the user does not explicitly create a partition when creating a table, adding a partition by ALTER is not supported

4
docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-PARTITION.md
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@ -60,8 +60,8 @@ partition_desc ["key"="value"]
- VALUES LESS THAN [MAXVALUE|("value1", ...)]
- VALUES [("value1", ...), ("value1", ...))
- 分区为左闭右开区间，如果用户仅指定右边界，系统会自动确定左边界
- 如果没有指定分桶方式，则自动使用建表使用的分桶方式
- 如指定分桶方式，只能修改分桶数，不可修改分桶方式或分桶列
- 如果没有指定分桶方式，则自动使用建表使用的分桶方式和分桶数。
- 如指定分桶方式，只能修改分桶数，不可修改分桶方式或分桶列。如果指定了分桶方式，但是没有指定分桶数，则分桶数会使用默认值10，不会使用建表时指定的分桶数。如果要指定分桶数，则必须指定分桶方式。
- ["key"="value"] 部分可以设置分区的一些属性，具体说明见 [CREATE TABLE](./sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md)
- 如果建表时用户未显式创建Partition,则不支持通过ALTER的方式增加分区