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Update docs for deprecate-integer-display-length=true #19159

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merged 6 commits into from
Nov 26, 2024
Merged

Update docs for deprecate-integer-display-length=true #19159

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611316f
Update docs for deprecate-integer-display-length=true
dveeden Oct 17, 2024
391dd3e
update the warning
qiancai Nov 18, 2024
7200dda
wrap true with backtick
qiancai Nov 18, 2024
4fe68d6
Apply suggestions from code review
dveeden Nov 18, 2024
9fa10ca
Update for cloud
dveeden Nov 19, 2024
58f4038
Fix MD046
dveeden Nov 19, 2024
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update the warning
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@qiancai
qiancai committed Nov 18, 2024
commit 391dd3e590c49776f1b3bb5bc780812a75bb2c73
8 changes: 4 additions & 4 deletions data-type-numeric.md
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Expand Up @@ -14,14 +14,14 @@ TiDB supports all the MySQL numeric types, including:

## Integer types

> **Warning:**
>
> Note that specifying an integer display width is not recommended.

TiDB supports all the MySQL integer types, including `INTEGER`/`INT`, `TINYINT`, `SMALLINT`, `MEDIUMINT`, and `BIGINT`. For more information, see [Integer Data Type Syntax in MySQL](https://dev.mysql.com/doc/refman/8.0/en/integer-types.html).

The following table summarizes field descriptions:

> **Warning:**
>
> Starting from v8.5.0, integer display width is deprecated ([`deprecate-integer-display-length`](/tidb-configuration-file.md#deprecate-integer-display-length) is true by default). Specifying display width for integer types is NOT recommended.

| Syntax Element | Description |
| -------- | ------------------------------- |
| M | the display width of the type. Optional. |
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5 changes: 5 additions & 0 deletions data-type-overview.md
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Expand Up @@ -12,5 +12,10 @@ The definitions used for datatypes are specified as `T(M[, D])`. Where by:

- `T` indicates the specific data type.
- `M` indicates the maximum display width for integer types. For floating-point and fixed-point types, `M` is the total number of digits that can be stored (the precision). For string types, `M` is the maximum length. The maximum permissible value of M depends on the data type.

> **Warning:**
>
> Starting from v8.5.0, integer display width is deprecated ([`deprecate-integer-display-length`](/tidb-configuration-file.md#deprecate-integer-display-length) is true by default). Specifying display width for integer types is NOT recommended.

- `D` applies to floating-point and fixed-point types and indicates the number of digits following the decimal point (the scale).
- `fsp` applies to the `TIME`, `DATETIME`, and `TIMESTAMP` types and represents the fractional seconds precision. The `fsp` value, if given, must be in the range 0 to 6. A value of 0 signifies that there is no fractional part. If omitted, the default precision is 0.
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