postgis_typmod_dims()

Datum postgis_typmod_dims

(

PG_FUNCTION_ARGS

)

Definition at line 421 of file gserialized_typmod.c.

{
        int32 typmod = PG_GETARG_INT32(0);
        int32 dims = 2;
        if ( typmod < 0 )
                PG_RETURN_NULL(); /* unconstrained */
        if ( TYPMOD_GET_Z(typmod) )
                dims++;
        if ( TYPMOD_GET_M(typmod) )
                dims++;
        PG_RETURN_INT32(dims);
}

References TYPMOD_GET_M, and TYPMOD_GET_Z.