gserialized_gist_joinsel()

Datum gserialized_gist_joinsel

(

PG_FUNCTION_ARGS

)

Definition at line 1177 of file gserialized_estimate.c.

{
        PlannerInfo *root = (PlannerInfo *)PG_GETARG_POINTER(0);
        /* Oid operator = PG_GETARG_OID(1); */
        List *args = (List *)PG_GETARG_POINTER(2);
        JoinType jointype = (JoinType) PG_GETARG_INT16(3);
        int mode = PG_GETARG_INT32(4);
 
        POSTGIS_DEBUGF(2, "%s: entered function", __func__);
 
        /* Check length of args and punt on > 2 */
        if (list_length(args) != 2)
        {
                POSTGIS_DEBUGF(2, "%s: got nargs == %d", __func__, list_length(args));
                PG_RETURN_FLOAT8(DEFAULT_ND_JOINSEL);
        }
 
        /* Only respond to an inner join/unknown context join */
        if (jointype != JOIN_INNER)
        {
                POSTGIS_DEBUGF(1, "%s: jointype %d not supported", __func__, jointype);
                PG_RETURN_FLOAT8(DEFAULT_ND_JOINSEL);
        }
 
        PG_RETURN_FLOAT8(gserialized_joinsel_internal(root, args, jointype, mode));
}

References DEFAULT_ND_JOINSEL, and gserialized_joinsel_internal().

Referenced by gserialized_gist_joinsel_2d(), and gserialized_gist_joinsel_nd().

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