Martijn van Oosterhout Wrote:

> Has it actually happened to you? PostgreSQL is pretty good
> about its memory usage. Besides, seems to me it should be an
> system admisitrator descision.

No, Just came across this by chance, and thought it might be a good
idea.
Perhaps as a postgresql.conf setting.

.... John


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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match