msql_fetch_field
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
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