Rich Doughty wrote:
I'm having some significant performance problems with left join. Can
anyone give me any pointers as to why the following 2 query plans are so
different?

[snip]

knew i'd forgotten something...

select version();
version
--------------------------------------------------------------------------------------------------------------
PostgreSQL 8.0.3 on i486-pc-linux-gnu, compiled by GCC cc (GCC) 4.0.2 20050821 (prerelease) (Debian 4.0.1-6)


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  - Rich Doughty

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