# db2_field_scale

(PECL ibm_db2 >= 1.0.0)

db2_field_scale — Returns the scale of the indicated column in a result set

### 说明

db2_field_scale ( resource `$stmt` , mixed `$column` ) : int

Returns the scale of the indicated column in a result set.

### 参数

`stmt`

  Specifies a statement resource containing a result set.

`column`

  Specifies the column in the result set. This can either be an integer representing the 0-indexed position of the column, or a string containing the name of the column.

### 返回值

Returns an integer containing the scale of the specified column. If the specified column does not exist in the result set, db2_field_scale() returns `FALSE`.

### 参见

- db2_field_display_size() - Returns the maximum number of bytes required to display a column
- db2_field_name() - Returns the name of the column in the result set
- db2_field_num() - Returns the position of the named column in a result set
- db2_field_precision() - Returns the precision of the indicated column in a result set
- db2_field_type() - Returns the data type of the indicated column in a result set
- db2_field_width() - Returns the width of the current value of the indicated column in a result set