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renaming functions

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taiyang-li 2023-03-07 17:58:30 +08:00
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commit 6cc4b4b1b4
2 changed files with 14 additions and 14 deletions
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16
docs/en/sql-reference/aggregate-functions/reference/quantileApprox.md
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@ -1,9 +1,9 @@
---
slug: /en/sql-reference/aggregate-functions/reference/quantileGK
slug: /en/sql-reference/aggregate-functions/reference/quantileApprox
sidebar_position: 204
---
# quantileGK
# quantileApprox
Computes the [quantile](https://en.wikipedia.org/wiki/Quantile) of a numeric data sequence using the [Greenwald-Khanna](http://infolab.stanford.edu/~datar/courses/cs361a/papers/quantiles.pdf) algorithm.
@ -11,10 +11,10 @@ Computes the [quantile](https://en.wikipedia.org/wiki/Quantile) of a numeric dat
**Syntax**
``` sql
quantileGK(accuracy, level)(expr)
quantileApprox(accuracy, level)(expr)
```
Alias: `medianGK`.
Alias: `medianApprox`.
**Arguments**
@ -40,12 +40,12 @@ Type:
``` sql
WITH arrayJoin([0, 6, 7, 9, 10]) AS x
SELECT quantileGK(100, 0.5)(x)
SELECT quantileApprox(100, 0.5)(x)
┌─quantileGK(100, 0.5)(x)─┐
│ 7 │
└─────────────────────────┘
┌─quantileApprox(100, 0.5)(x)─┐
│ 7 │
└──────────────----───────────┘
```

12
docs/en/sql-reference/aggregate-functions/reference/quantiles.md
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@ -115,14 +115,14 @@ Result:
└─────────────────────────────────────────────────────────────────────┘
```
## quantilesGK
## quantilesApprox
Exactly computes the [quantiles](https://en.wikipedia.org/wiki/Quantile) of a numeric data sequence using the [Greenwald-Khanna](https://dl.acm.org/doi/10.1145/375663.375670) algorithm.
**Syntax**
``` sql
quantilesGK(accuracy, level1, level2, ...)(expr)
quantilesApprox(accuracy, level1, level2, ...)(expr)
```
**Arguments**
@ -152,9 +152,9 @@ Query:
``` sql
WITH arrayJoin([0, 6, 7, 9, 10]) AS x
SELECT quantilesGK(100, 0.1, 0.2, 0.3)(x)
SELECT quantilesApprox(100, 0.1, 0.2, 0.3)(x)
┌─quantilesGK(100, 0.1, 0.2, 0.3)(x)─┐
│ [0,0,6] │
└────────────────────────────────────┘
┌─quantilesApprox(100, 0.1, 0.2, 0.3)(x)─┐
│ [0,0,6] │
└────────────────────────────────────────┘
```