|
PHP5中文手册
ingres_field_type(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres:1.0-1.4.3) ingres_field_type — Get the type of a field in a query result 说明
string ingres_field_type
( int $index
[, resource $link
] )
Get the type of a field in a query result. 参数
返回值ingres_field_type() returns the type of a field in a query result, or FALSE on failure. Examples of types returned are "IIAPI_BYTE_TYPE", "IIAPI_CHA_TYPE", "IIAPI_DTE_TYPE", "IIAPI_FLT_TYPE", "IIAPI_INT_TYPE", "IIAPI_VCH_TYPE". Some of these types can map to more than one SQL type depending on the length of the field (see ingres_field_length()). For example "IIAPI_FLT_TYPE" can be a float4 or a float8. For detailed information, see the Ingres/OpenAPI User Guide - Appendix C. |