add zh/en docs

This commit is contained in:
Ganlin Zhao 2023-05-17 16:06:12 +08:00
parent 18530e8b33
commit 79d8b8c3d4
2 changed files with 15 additions and 4 deletions

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@ -867,10 +867,16 @@ FIRST(expr)
### INTERP
```sql
INTERP(expr)
INTERP(expr [, ignore_null_values])
ignore_null_values: {
0
| 1
}
```
**Description**: The value that matches the specified timestamp range is returned, if existing; or an interpolation value is returned.
**Description**: The value that matches the specified timestamp range is returned, if existing; or an interpolation value is returned. The value of `ignore_null_values` can be 0 or 1, 1 means null values are ignored. The default value of this parameter is 0.
**Return value type**: Same as the column being operated upon

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@ -869,10 +869,15 @@ FIRST(expr)
### INTERP
```sql
INTERP(expr)
INTERP(expr [, ignore_null_values])
ignore_null_values: {
0
| 1
}
```
**功能说明**:返回指定时间截面指定列的记录值或插值。
**功能说明**:返回指定时间截面指定列的记录值或插值。ignore_null_values 参数的值可以是 0 或 1为 1 时表示忽略 NULL 值, 缺省值为0。
**返回数据类型**:同字段类型。