* Tom Lane ([EMAIL PROTECTED]) wrote: > [... thinks for awhile ...] It seems possible that they may use sort > code that knows it is performing a DISTINCT operation and discards > duplicates on sight. Given that there are only 534 distinct values, > the sort would easily stay in memory if that were happening.
Could this optimization be added to PostgreSQL? It sounds like a very
reasonable thing to do. Hopefully there wouldn't be too much complexity
needed to add it.
Stephen
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