msql_field_flags

(PHP 4, PHP 5, PHP 7)

msql_field_flags — Get field flags

说明

msql_field_flags ( resource $result , int $field_offset ) : string

msql_field_flags() returns the field flags of the specified field.

参数

result

resource 型的结果集。此结果集来自对 msql_query() 的调用。

field_offset

数值型字段偏移量。 field_offset 从 1 开始。

返回值

Returns a string containing the field flags of the specified key. This can be: primary key not null, not null, primary key, unique not null or unique.

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