msql_fetch_field
(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
