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[doc](function) update log function doc #2605

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[doc](function) update log function doc
zhangstar333 Jul 9, 2025
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Merge branch 'master' into log_function_doc
zhangstar333 Jul 18, 2025
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16 changes: 14 additions & 2 deletions docs/sql-manual/sql-functions/scalar-functions/numeric-functions/log.md
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,15 +12,15 @@ Returns the logarithm of `x` based on base `b`.
## Syntax

```sql
LOG(<b>,<x>)
LOG(<b>[, <x>])
```

## Parameters

| Parameter | Description |
|-----------|------------|
| `<b>` | Base should be greater than 0 and not be exactly 1.0 |
| `<x>` | Antilogarithm should be greater than 0 |
| `<x>` | optional, Antilogarithm should be greater than 0, default value is e |

## Return value

Expand All @@ -42,6 +42,18 @@ select log(5,1);
+---------------+
```

```sql
select log(3),ln(3);
```

```text
+--------------------+--------------------+
| log(3) | ln(3) |
+--------------------+--------------------+
| 1.0986122886681098 | 1.0986122886681098 |
+--------------------+--------------------+
```

```sql
select log(3,20);
```
Expand Down
16 changes: 14 additions & 2 deletions ...docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/log.md
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -12,15 +12,15 @@
## 语法

```sql
LOG(<b>,<x>)
LOG(<b>[, <x>])
```

## 参数

| 参数 | 说明 |
|-------| -- |
| `<b>` | 底数 必须大于 0 且不等于 1 |
| `<x>` | 真数 必须大于 0 |
| `<x>` | 可选，真数必须大于 0，默认为自然数e |

## 返回值

Expand All @@ -42,6 +42,18 @@ select log(5,1);
+---------------+
```

```sql
select log(3),ln(3);
```

```text
+--------------------+--------------------+
| log(3) | ln(3) |
+--------------------+--------------------+
| 1.0986122886681098 | 1.0986122886681098 |
+--------------------+--------------------+
```

```sql
select log(3,20);
```
Expand Down
16 changes: 14 additions & 2 deletions .../version-3.0/sql-manual/sql-functions/scalar-functions/numeric-functions/log.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,15 +12,15 @@
## 语法

```sql
LOG(<b>,<x>)
LOG(<b>[, <x>])
```

## 参数

| 参数 | 说明 |
|-------| -- |
| `<b>` | 底数 必须大于 0 且不等于 1 |
| `<x>` | 真数 必须大于 0 |
| `<x>` | 可选，真数必须大于 0，默认为自然数e |

## 返回值

Expand All @@ -42,6 +42,18 @@ select log(5,1);
+---------------+
```

```sql
select log(3),ln(3);
```

```text
+--------------------+--------------------+
| log(3) | ln(3) |
+--------------------+--------------------+
| 1.0986122886681098 | 1.0986122886681098 |
+--------------------+--------------------+
```

```sql
select log(3,20);
```
Expand Down
66 changes: 64 additions & 2 deletions sidebars.json
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Original file line number Diff line number Diff line change
Expand Up @@ -1711,17 +1711,79 @@
"type": "category",
"label": "Analytic (Window) Functions",
"items": [
"sql-manual/sql-functions/window-functions/overview",
"sql-manual/sql-functions/window-functions/cume-dist",
"sql-manual/sql-functions/window-functions/dense-rank",
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"sql-manual/sql-functions/window-functions/lag",
"sql-manual/sql-functions/window-functions/last-value",
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"sql-manual/sql-functions/window-functions/ntile",
"sql-manual/sql-functions/window-functions/overview",
"sql-manual/sql-functions/window-functions/percent-rank",
"sql-manual/sql-functions/window-functions/rank",
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"sql-manual/sql-functions/window-functions/avg-weighted",
"sql-manual/sql-functions/window-functions/bitmap-agg",
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"sql-manual/sql-functions/window-functions/bitmap-union",
"sql-manual/sql-functions/window-functions/bitmap-union-count",
"sql-manual/sql-functions/window-functions/bitmap-union-int",
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"sql-manual/sql-functions/window-functions/group-bitmap-xor",
"sql-manual/sql-functions/window-functions/group-concat",
"sql-manual/sql-functions/window-functions/grouping",
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"sql-manual/sql-functions/window-functions/histogram",
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"sql-manual/sql-functions/window-functions/hll-union-agg",
"sql-manual/sql-functions/window-functions/intersect-count",
"sql-manual/sql-functions/window-functions/kurt",
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"sql-manual/sql-functions/window-functions/map-agg",
"sql-manual/sql-functions/window-functions/max",
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"sql-manual/sql-functions/window-functions/min",
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"sql-manual/sql-functions/window-functions/percentile-approx",
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"sql-manual/sql-functions/window-functions/retention",
"sql-manual/sql-functions/window-functions/sequence-count",
"sql-manual/sql-functions/window-functions/sequence-match",
"sql-manual/sql-functions/window-functions/skew",
"sql-manual/sql-functions/window-functions/stddev",
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]
},
{
Expand Down
16 changes: 14 additions & 2 deletions .../version-3.0/sql-manual/sql-functions/scalar-functions/numeric-functions/log.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,15 +12,15 @@ Returns the logarithm of `x` based on base `b`.
## Syntax

```sql
LOG(<b>,<x>)
LOG(<b>[, <x>])
```

## Parameters

| Parameter | Description |
|-----------|------------|
| `<b>` | Base should be greater than 0 and not be exactly 1.0 |
| `<x>` | Antilogarithm should be greater than 0 |
| `<x>` | optional, Antilogarithm should be greater than 0, default value is e |

## Return value

Expand All @@ -42,6 +42,18 @@ select log(5,1);
+---------------+
```

```sql
select log(3),ln(3);
```

```text
+--------------------+--------------------+
| log(3) | ln(3) |
+--------------------+--------------------+
| 1.0986122886681098 | 1.0986122886681098 |
+--------------------+--------------------+
```

```sql
select log(3,20);
```
Expand Down