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memory tables and .olds |
Sat, Dec 5 2009 9:25 AM | Permanent Link |
Roy Lambert NLH Associates Team Elevate | Hopefully a silly question. When you create a table in memory (say via a CREATE TABLE AS sql) and then add / alter indices does a .old file get created?
Roy Lambert |
Sun, Dec 6 2009 7:30 AM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Roy,
<< Hopefully a silly question. When you create a table in memory (say via a CREATE TABLE AS sql) and then add / alter indices does a .old file get created? >> Yes. EDB uses them to restore the table files if the CREATE/ALTER index fails. -- Tim Young Elevate Software www.elevatesoft.com |
Sun, Dec 6 2009 9:08 AM | Permanent Link |
Roy Lambert NLH Associates Team Elevate | Tim
><< Hopefully a silly question. When you create a table in memory (say via a >CREATE TABLE AS sql) and then add / alter indices does a .old file get >created? >> > >Yes. EDB uses them to restore the table files if the CREATE/ALTER index >fails. Ouch. In that case is there a way of getting rid of them if they hang around until the app closes. I use a lot of memory tables with added indices and this might contribute to the slow down I'm seeing towards the end of the day. Roy Lambert |
Sun, Dec 6 2009 3:23 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Roy,
<< Ouch. In that case is there a way of getting rid of them if they hang around until the app closes. I use a lot of memory tables with added indices and this might contribute to the slow down I'm seeing towards the end of the day. >> I'll double-check, but if they aren't being removed automatically already, I'll make sure that they are for the next build. -- Tim Young Elevate Software www.elevatesoft.com |
Mon, Dec 7 2009 2:45 AM | Permanent Link |
Roy Lambert NLH Associates Team Elevate | Tim
><< Ouch. In that case is there a way of getting rid of them if they hang >around until the app closes. I use a lot of memory tables with added indices >and this might contribute to the slow down I'm seeing towards the end of the >day. >> > >I'll double-check, but if they aren't being removed automatically already, >I'll make sure that they are for the next build. I don't know if that's the reason, or its a Vista thing on my PC or it was a Vista thing on the fileserver PC (which is why its now an XP PC just to see) or the network getting tired because its been working hard all day or what. I know how I as a programmer can get rid of .Olds on disk Is there a way I can do it in memory? Roy Lambert |
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