Update versionedcollapsingmergetree.md

typo '划‘ -> '行’
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FgoDt 2021-02-08 20:27:29 +08:00 committed by GitHub
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@ -37,7 +37,7 @@ CREATE TABLE [IF NOT EXISTS] [db.]table_name [ON CLUSTER cluster]
VersionedCollapsingMergeTree(sign, version)
```
- `sign` — 指定行类型的列名: `1` 是一个 “state” 行, `-1` 是一个 “cancel”
- `sign` — 指定行类型的列名: `1` 是一个 “state” 行, `-1` 是一个 “cancel”
列数据类型应为 `Int8`.