pingcap/tidb

Add new agg function like `SKEW` or `SKEWNESS` to show the skewness of the expression/column.

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#24,721 建立於 2021年5月18日

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描述

Feature Request

Is your feature request related to a problem? Please describe:

A aggregate function to show the skewness of the data. To better know the distribution.

Describe alternatives you've considered:

Snowflake, SAS, influxdb, IBM, SKEWNESS_SAMP and SKEWNESS_POP in oracle.

Teachability, Documentation, Adoption, Migration Strategy:

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