msql_fetch_field
(PHP 3, PHP 4, PHP 5)
msql_fetch_field -- Get field information
说明
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.
参数
result返回类型为 resource 的结果集。该结果集从
msql_query() 的调用中得到。
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