On 8/17/06 12:29 PM, "Tom Lane" <[EMAIL PROTECTED]> wrote:
> "Jie Zhang" <[EMAIL PROTECTED]> writes: >> This sounds good. Another problem is about ScalarArrayOpExpr support in >> current nodeBitmapIndexscan. This will not work for stream bitmaps. > > Sure it will; it's just an OR. > Yes, it is just an OR. But we have to introduce an OR logic in nodeBitmapIndexscan node for stream bitmaps. We can't do what it is done right now: scanning the underline index one key at a time. We have to scan the underline index for all keys at the same time. It seems simply that we just introduce another BitmapOr in the path. Thanks, Jie ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq