msql_fetch_field

(PHP 3, PHP 4, PHP 5)

msql_fetch_field -- Get field information

說明

object msql_fetch_field ( resource result [, int field_offset] )

msql_fetch_field() can be used in order to obtain information about fields in a certain query result.

參數

result

返回類型為 resource 的結果集。該結果集從 msql_query() 的呼叫中得到。

field_offset

The field offset. If not specified, the next field that wasn't yet retrieved by msql_fetch_field() is retrieved.

返回值

Returns an object containing field information. The properties of the object are:

  • name - column name

  • table - name of the table the column belongs to

  • not_null - 1 if the column cannot be NULL

  • unique - 1 if the column is a unique key

  • type - the type of the column