> However my application code is assuming that duplicate rows will > simply be ignored (this is the case in Ingres, and I believe Oracle's > bulkloader too). I propose modifying _bt_check_unique() in > /backend/access/nbtree/nbtinsert.c to emit a NOTICE (rather than > ERROR) elog() and return NULL (or appropriate) to the calling function > if a duplicate key is detected and a 'COPY FROM' is in progress (add > new parameter to flag this).
If you have a UNIQUE index on the table, just throwing away duplicates seems really bad to me. I know Ingres had that heapsort structure that would remove duplicates. That may be an interesting feature to add as an operation that can be performed. -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026 ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly