(PHP 4 >= 4.0.2, PHP 5 < 5.1.0, PECL ingres >= 1.0.0)
ingres_field_nullable — Test if a field is nullable
$result
, int $index
) : boolTest if a field is nullable.
Note: Related Configurations
result
The query result identifier
index
index
is the field whose nullability 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
.
ingres_field_nullable() returns TRUE
if the
field can be set to the NULL
value and FALSE
if it cannot