db2_field_width
(PECL)
db2_field_width -- Returns the width of the current value of the indicated column in a result set说明
int db2_field_width ( resource stmt, mixed column )Returns the width of the current value of the indicated column in a result set. This is the maximum width of the column for a fixed-length data type, or the actual width of the column for a variable-length data type.
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 width of the specified character or binary data type column in a result set. If the specified column does not exist in the result set, db2_field_width() returns FALSE.
参见
| db2_field_display_size() |
| db2_field_name() |
| db2_field_num() |
| db2_field_precision() |
| db2_field_scale() |
| db2_field_type() |