# odbc_gettypeinfo

(PHP 4, PHP 5, PHP 7, PHP 8)

odbc_gettypeinfo — Retrieves information about data types supported by the data source

### 说明

odbc_gettypeinfo(Odbc\Connection `$odbc`, int `$data_type` = 0): Odbc\Result|false

Retrieves information about data types supported by the data source.

### 参数

`odbc`

  ODBC 连接对象，详见 odbc_connect()。

`data_type`

  The data type, which can be used to restrict the information to a single data type.

### 返回值

返回 ODBC 结果对象 或者在失败时返回 `false`。

The result set has the following columns:

- TYPE_NAME
- DATA_TYPE
- PRECISION
- LITERAL_PREFIX
- LITERAL_SUFFIX
- CREATE_PARAMS
- NULLABLE
- CASE_SENSITIVE
- SEARCHABLE
- UNSIGNED_ATTRIBUTE
- MONEY
- AUTO_INCREMENT
- LOCAL_TYPE_NAME
- MINIMUM_SCALE
- MAXIMUM_SCALE

The result set is ordered by DATA_TYPE and TYPE_NAME.

### 更新日志

版本 | 说明
--- | ---
8.4.0 | `odbc` 现在需要 Odbc\Connection 实例；之前需要 resource。
8.4.0 | 此函数现在返回 Odbc\Result 实例；之前返回 resource。

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