array_nelems_not_null()

uint32_t array_nelems_not_null

(

ArrayType *

array

)

Definition at line 2670 of file postgis/lwgeom_geos.c.

                                                 {
    ArrayIterator iterator;
    Datum value;
    bool isnull;
    uint32_t nelems_not_null = 0;
 
#if POSTGIS_PGSQL_VERSION >= 95
        iterator = array_create_iterator(array, 0, NULL);
#else
        iterator = array_create_iterator(array, 0);
#endif
        while(array_iterate(iterator, &value, &isnull) )
        {
        if (!isnull)
        {
            nelems_not_null++;
        }
    }
    array_free_iterator(iterator);
 
    return nelems_not_null;
}

References genraster::value.

Referenced by cluster_within_distance_garray(), clusterintersecting_garray(), and polygonize_garray().

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