ingres_field_type
(PHP 4 >= 4.0.2, PHP 5 < 5.1.0, PECL ingres >= 1.0.0)
ingres_field_type — Get the type of a field in a query result
说明
$result ,
int $index ) :
string
Get the type of a field in a query result.
Note: Related Configurations
参数
-
result -
The query result identifier
-
index -
indexis the field whose type will be retrieved.The possible values of
indexdepend upon the value of ingres.array_index_start. If ingres.array_index_start is 1 (the default) thenindexmust be between 1 and the value returned by ingres_num_fields(). If ingres.array_index_start is 0 thenindexmust be between 0 and ingres_num_fields() - 1.
返回值
ingres_field_type() returns the type of a field in a query result 或者在失败时返回 FALSE. 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 "Data Types" in the Ingres documentation.
参见
- ingres_query() - Send an SQL query to Ingres
- ingres_fetch_array() - Fetch a row of result into an array
- ingres_fetch_assoc() - Fetch a row of result into an associative array
- ingres_fetch_object() - Fetch a row of result into an object
- ingres_fetch_row() - Fetch a row of result into an enumerated array
