2005-08-20から1日間の記事一覧
backend/utils/adt/numeric.cのint4_sumで、 Datum int4_sum(PG_FUNCTION_ARGS) { int64 newval; if (PG_ARGISNULL(0)) { /* No non-null input seen so far... */ if (PG_ARGISNULL(1)) PG_RETURN_NULL(); /* still no non-null */ /* This is the first no…