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Speed up query with JOIN |
Mon, Sep 24 2007 3:51 AM | Permanent Link |
Tomas | Tim, what is the status of this improvement?
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Mon, Sep 24 2007 6:58 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Tomas,
<< Tim, what is the status of this improvement? >> I will see if I can put this in 4.25 Build 7, but I can't make any promises. -- Tim Young Elevate Software www.elevatesoft.com |
Mon, Sep 24 2007 7:10 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Tim,
<< I will see if I can put this in 4.25 Build 7, but I can't make any promises. >> After looking at this some more, I don't think this will make it into DBISAM. However, due to the way ElevateDB is architected, it can be implemented rather easily in it, and I will do so for 1.06. -- Tim Young Elevate Software www.elevatesoft.com |
Sun, Nov 11 2007 11:06 AM | Permanent Link |
Tomas | Hi Tim,
Have you added this sql improvement to latest ElevateDB? If yes then I would like to upgrade my app from DBISAM to ElevateDB, do you have any discount for current DBISAM customers? Regards, Tomas |
Mon, Nov 12 2007 5:44 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Tomas,
<< Have you added this sql improvement to latest ElevateDB? >> Not yet, but it is still on the list of improvements to address. It will most likely get picked up after the .NET data provider is done. -- Tim Young Elevate Software www.elevatesoft.com |
Fri, Nov 23 2007 4:00 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Tomas,
<< Have you added this sql improvement to latest ElevateDB? If yes then I would like to upgrade my app from DBISAM to ElevateDB, do you have any discount for current DBISAM customers? >> I finally got a chance to look into this yesterday and I'm sorry to say that unfortunately the optimization that I was thinking of will not work. I was wanting to push each individual table's conditions down into each table so that they were both evaluated for each table individually, and then again with the OR expression after the rows were generated for the result set. Unfortunately, this won't work because the pushing the conditions down into each table causes the equivalent of an AND for each condition, not an OR. Tim Young Elevate Software www.elevatesoft.com |
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