Php/docs/function.ingres-field-scale

• PHP Manual
• Ingres 函数
• Get the scale of a field

ingres_field_scale

(PHP 4 >= 4.0.2, PHP 5 < 5.1.0, PECL ingres >= 1.0.0)

ingres_field_scale — Get the scale of a field

说明

ingres_field_scale ( resource $result , int $index ) : int

ingres_field_scale() returns the scale of a field. This value is used only for the decimal SQL data type. For detailed information, see the Ingres OpenAPI User Guide, Appendix "Data Types" in the Ingres documentation.

Note:

Related Configurations

See ingres.array_index_start in Runtime Configuration

参数

result

The query result identifier

index

index is the field whose scale will be retrieved.

The possible values of index depend upon the value of ingres.array_index_start. If ingres.array_index_start is 1 (the default) then index must be between 1 and the value returned by ingres_num_fields(). If ingres.array_index_start is 0 then index must be between 0 and ingres_num_fields() - 1.

返回值

Returns the scale of the field, as an integer

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