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add zn/en docs

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Ganlin Zhao 2022-12-15 11:08:43 +08:00
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docs/en/12-taos-sql/10-function.md
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@ -877,6 +877,7 @@ INTERP(expr)
- Interpolation is performed based on `FILL` parameter. - Interpolation is performed based on `FILL` parameter.
- `INTERP` can only be used to interpolate in single timeline. So it must be used with `partition by tbname` when it's used on a STable. - `INTERP` can only be used to interpolate in single timeline. So it must be used with `partition by tbname` when it's used on a STable.
- Pseudo column `_irowts` can be used along with `INTERP` to return the timestamps associated with interpolation points(support after version 3.0.1.4). - Pseudo column `_irowts` can be used along with `INTERP` to return the timestamps associated with interpolation points(support after version 3.0.1.4).
- Pseudo column `_isfilled` can be used along with `INTERP` to indicate whether the results are original records or data points generated by interpolation algorithm(support after version 3.0.2.1).
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docs/zh/12-taos-sql/10-function.md
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@ -880,6 +880,7 @@ INTERP(expr)
- INTERP 根据 FILL 字段来决定在每个符合输出条件的时刻如何进行插值。 - INTERP 根据 FILL 字段来决定在每个符合输出条件的时刻如何进行插值。
- INTERP 只能在一个时间序列内进行插值，因此当作用于超级表时必须跟 partition by tbname 一起使用。 - INTERP 只能在一个时间序列内进行插值，因此当作用于超级表时必须跟 partition by tbname 一起使用。
- INTERP 可以与伪列 _irowts 一起使用，返回插值点所对应的时间戳(3.0.1.4版本以后支持)。 - INTERP 可以与伪列 _irowts 一起使用，返回插值点所对应的时间戳(3.0.1.4版本以后支持)。
- INTERP 可以与伪列 _isfilled 一起使用，显示返回结果是否为原始记录或插值算法产生的数据(3.0.2.1版本以后支持)。
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