PHP 7.3.0 alpha 2 Released


(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres >= 1.0.0)

ingres_field_nullableTest if a field is nullable


bool ingres_field_nullable ( resource $result , int $index )

Test if a field is nullable.

Nota: Related Configurations

See ingres.array_index_start in Runtime Configuration

Elenco dei parametri


The query result identifier


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.

Valori restituiti

ingres_field_nullable() returns TRUE if the field can be set to the NULL value and FALSE if it cannot

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