Merge pull request #17101 from taosdata/docs/3.0_query_doc

docs: add keepColumnName description
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wade zhang 2022-09-27 18:58:07 +08:00 committed by GitHub
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2 changed files with 20 additions and 2 deletions

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@ -177,12 +177,21 @@ The parameters described in this document by the effect that they have on the sy
### maxNumOfDistinctRes
| Attribute | Description |
| -------- | -------------------------------- | --- |
| -------- | -------------------------------- |
| Applicable | Server Only |
| Meaning | The maximum number of distinct rows returned |
| Value Range | [100,000 - 100,000,000] |
| Default Value | 100,000 |
### keepColumnName
| Attribute | Description |
| -------- | -------------------------------- |
| Applicable | Client only |
| Meaning | When the Last, First, LastRow function is queried, whether the returned column name contains the function name. |
| Value Range | 0 means including the function name, 1 means not including the function name. |
| Default Value | 0 |
## Locale Parameters
### timezone

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@ -177,12 +177,21 @@ taos --dump-config
### maxNumOfDistinctRes
| 属性 | 说明 |
| -------- | -------------------------------- | --- |
| -------- | -------------------------------- |
| 适用范围 | 仅服务端适用 |
| 含义 | 允许返回的 distinct 结果最大行数 |
| 取值范围 | 默认值为 10 万,最大值 1 亿 |
| 缺省值 | 10 万 |
### keepColumnName
| 属性 | 说明 |
| -------- | -------------------------------- |
| 适用范围 | 仅客户端适用 |
| 含义 | Last、First、LastRow 函数查询时,返回的列名是否包含函数名。 |
| 取值范围 | 0 表示包含函数名1 表示不包含函数名。 |
| 缺省值 | 0 |
## 区域相关
### timezone