(PHP 4 >= 4.0.2, PHP 5 < 5.1.0, PECL ingres >= 1.0.0)
ingres_field_precision — Get the precision of a field
$result
, int $index
) : int
ingres_field_precision() returns the precision
of a field. This value is used only for decimal, float, and money
SQL data types. For detailed information, see the Ingres OpenAPI
User Guide, Appendix "Data Types" in the Ingres documentation.
注意: Related Configurations
resultThe query result identifier
index
index is the field whose precision 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.
Returns the field precision as an integer