lwgeom_sortsupport()

Datum lwgeom_sortsupport

(

PG_FUNCTION_ARGS

)

Definition at line 183 of file lwgeom_btree.c.

{
        SortSupport ssup = (SortSupport)PG_GETARG_POINTER(0);
 
        ssup->comparator = lwgeom_cmp_full;
        ssup->ssup_extra = NULL;
        /* Enable sortsupport only on 64 bit Datum */
        if (ssup->abbreviate && sizeof(Datum) == 8)
        {
                ssup->comparator = lwgeom_cmp_abbrev;
                ssup->abbrev_converter = lwgeom_abbrev_convert;
                ssup->abbrev_abort = lwgeom_abbrev_abort;
                ssup->abbrev_full_comparator = lwgeom_cmp_full;
        }
 
        PG_RETURN_VOID();
}

References lwgeom_abbrev_abort(), lwgeom_abbrev_convert(), lwgeom_cmp_abbrev(), and lwgeom_cmp_full().

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