On Fri, Jan 07, 2005 at 19:36:47 -0800, "Loren M. Lang" <[EMAIL PROTECTED]> wrote: > Do large TEXT or VARCHAR entries in postgresql cause any performance > degradation when a query is being executed to search for data in a table > where the TEXT/VARCHAR fields aren't being searched themselves?
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Yes in that the data is more spread out because of the wider rows and that results in more disk blocks being looked at to get the desired data. > Since, according to the postgresql docs, theirs no performance > difference between VARCHAR and TEXT, I'm assuming VARCHAR is identical > to TEXT entries with a restriction set on the length. And since TEXT > can be of any possible size, then they must be stored independently of No. > the rest of the table which is probably all stored in a fixed size rows No, Postgres uses variable length records. ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
