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Thu, Apr 12 2007 3:47 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. ![]() | Ole,
<< I would never beat a horse - dead or alive ![]() There, see, you do have some redeeming qualities after all. ![]() -- Tim Young Elevate Software www.elevatesoft.com |
Thu, Apr 12 2007 3:50 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. ![]() | Ole,
<< I don't quite understand how changing it to refresh the views should take any longer time than unprepare/prepare the cursor statement, which does the same thing. >> I thought the same thing, but I believe it is different because of the nested nature of the view references. I really have to tear this one apart piece by piece and go through it in more detail before I can see anything more. I'm really not sure what is going on yet because I haven't figured out yet what the Sudoko code is actually trying to do. -- Tim Young Elevate Software www.elevatesoft.com |
Thu, Apr 12 2007 3:54 PM | Permanent Link |
"Ole Willy Tuv" | Tim,
<< I'm really not sure what is going on yet because I haven't figured out yet what the Sudoko code is actually trying to do. >> Oh, that one is easy - the Sudoko code is trying to solve a given Sudoko puzzle ![]() Ole Willy Tuv |
Thu, Apr 12 2007 4:02 PM | Permanent Link |
"Ole Willy Tuv" | << There, see, you do have some redeeming qualities after all.
![]() Being a non-native speaker, I've no idea what "redeeming" means, but I take it as something positive ![]() Ole Willy Tuv |
Thu, Apr 12 2007 6:16 PM | Permanent Link |
"Ole Willy Tuv" | Tim,
<< I thought the same thing, but I believe it is different because of the nested nature of the view references. >> I wouldn't think so. The views are equally nested whether they're materialized from a close/open cursor or an unprepare/prepare cursor statement. Did you eliminate the possibility of an endless loop, like I suggested ? Ole Willy Tuv |
Thu, Apr 12 2007 7:22 PM | Permanent Link |
"Ole Willy Tuv" | Tim,
<< Did you eliminate the possibility of an endless loop, like I suggested ? >> The reason why I'm asking this question is that the sp_Sudoko_EDB_debug4.sql version, which does an uprepare/prepare is pretty fast with the 5 iterations (and so is the limited loop version I posted with plain close/open cursor) and all that is needed to get the correct result is 10 iterations. Ole Willy Tuv |
Sat, Apr 14 2007 3:11 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. ![]() | Ole,
<< I wouldn't think so. The views are equally nested whether they're materialized from a close/open cursor or an unprepare/prepare cursor statement. >> Yes, but internally they aren't necessarily executed in the same fashion. You have to think of things in terms of reference-counting and other attributes that may cause a view to not be executed, but only served up "as-is". -- Tim Young Elevate Software www.elevatesoft.com |
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