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[Feature] support hour time unit with dynamic parition (#4514)

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Many tables are so large that need seperate partitions with "HOUR" time unit.
But now dynamic partition doesn't support "HOUR" time unit and it was marked as "TODO".
So I support the feature and it works.
This commit is contained in:
caoyang10
2020-09-06 20:25:27 +08:00
committed by GitHub
parent 13e2cf172f
commit 03d9f6d8b4
4 changed files with 35 additions and 5 deletions
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4
docs/en/administrator-guide/dynamic-partition.md
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@ -81,7 +81,9 @@ The rules of dynamic partition are prefixed with `dynamic_partition.`:
* `dynamic_partition.time_unit`
The unit for dynamic partition scheduling. Can be specified as `DAY`,` WEEK`, and `MONTH`, means to create or delete partitions by day, week, and month, respectively.
The unit for dynamic partition scheduling. Can be specified as `HOUR`,`DAY`,` WEEK`, and `MONTH`, means to create or delete partitions by hour, day, week, and month, respectively.
When specified as `HOUR`, the suffix format of the dynamically created partition name is `yyyyMMddHH`, for example, `2020032501`.
When specified as `DAY`, the suffix format of the dynamically created partition name is `yyyyMMdd`, for example, `20200325`.

4
docs/zh-CN/administrator-guide/dynamic-partition.md
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@ -79,8 +79,10 @@ under the License.
* `dynamic_partition.time_unit`
动态分区调度的单位。可指定为 `DAY`、`WEEK`、`MONTH`。分别表示按天、按星期、按月进行分区创建或删除。
动态分区调度的单位。可指定为 `HOUR`、`DAY`、`WEEK`、`MONTH`。分别表示按天、按星期、按月进行分区创建或删除。
当指定为 `HOUR` 时，动态创建的分区名后缀格式为 `yyyyMMddHH`，例如`2020032501`。
当指定为 `DAY` 时，动态创建的分区名后缀格式为 `yyyyMMdd`，例如`20200325`。
当指定为 `WEEK` 时，动态创建的分区名后缀格式为`yyyy_ww`。即当前日期属于这一年的第几周，例如 `2020-03-25` 创建的分区名后缀为 `2020_13`, 表明目前为2020年第13周。