Neil, > > 1) to keep it working, you will probably need to run ANALZYE more > > often than you have been; > > I'm not sure why this would be the case -- can you elaborate?
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For the more granular stats to be useful, they have to be accurate; otherwise you'll go back to a nestloop as soon as the query planner encounters a value that it doens't think is in the table at all. > > > 4) Currently, pg_dump does *not* back up statistics settings. > > Yes, it does. Oh, good. Was this a 7.4 improvement? I missed that in the changelogs .... -- -Josh Berkus Aglio Database Solutions San Francisco ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
