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Update docs for deprecate-integer-display-length=true #19114

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Nov 26, 2024
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Update docs for deprecate-integer-display-length=true #19114

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qiancai Nov 18, 2024
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Update tidb-configuration-file.md
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Update tidb-configuration-file.md
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4 changes: 4 additions & 0 deletions data-type-numeric.md
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Expand Up @@ -18,6 +18,10 @@ TiDB 支持 MySQL 所有的整数类型，包括 `INTEGER`/`INT`、`TINYINT`、`

字段说明：

> **警告：**
>
> 从 v8.5.0 开始，整数显示宽度功能已废弃（[`deprecate-integer-display-length`](/tidb-configuration-file.md#deprecate-integer-display-length) 默认为 `true`）。不建议为整数类型指定显示宽度。

| 语法元素 | 说明 |
| ---- | --------|
| M | 类型显示宽度，可选 |
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5 changes: 5 additions & 0 deletions data-type-overview.md
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Expand Up @@ -12,5 +12,10 @@ TiDB 支持除空间类型 (`SPATIAL`) 之外的所有 MySQL 数据类型，包

* `T` 表示具体的类型。
* `M` 在整数类型中表示最大显示长度；在浮点数或者定点数中表示精度；在字符类型中表示最大长度。`M` 的最大值取决于具体的类型。

> **警告：**
>
> 从 v8.5.0 开始，整数显示宽度功能已废弃（[`deprecate-integer-display-length`](/tidb-configuration-file.md#deprecate-integer-display-length) 默认为 `true`）。不建议为整数类型指定显示宽度。

* `D` 表示浮点数、定点数的小数位长度。
* `fsp` 在时间和日期类型里的 `TIME`、`DATETIME` 以及 `TIMESTAMP` 中表示秒的精度，其取值范围是 0 到 6。值为 0 表示没有小数部分。如果省略，则默认精度为 0。
2 changes: 1 addition & 1 deletion tidb-configuration-file.md
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Expand Up @@ -183,7 +183,7 @@ TiDB 配置文件比命令行参数支持更多的选项。你可以在 [config/
### `deprecate-integer-display-length`

+ 当此配置项设置为 `true` 时，弃用整数类型的显示宽度。
+ 默认值：`false`
+ 默认值：`true`。在 v8.5.0 之前，默认值为 `false`。

### `enable-tcp4-only` <span class="version-mark">从 v5.0 版本开始引入</span>

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