Mark as done:
> * -Add new pg_proc cachable settings to specify whether function can be
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TODO list for PostgreSQL
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TODO list for PostgreSQL
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========================
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========================
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Last updated: Thu Apr 4 02:12:17 EST 2002
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Last updated: Thu Apr 4 22:03:20 EST 2002
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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@ -419,7 +419,7 @@ OPTIMIZER / EXECUTOR
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* Add hash for evaluating GROUP BY aggregates
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* Add hash for evaluating GROUP BY aggregates
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* Nested FULL OUTER JOINs don't work (Tom)
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* Nested FULL OUTER JOINs don't work (Tom)
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* Allow merge and hash joins on expressions not just simple variables (Tom)
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* Allow merge and hash joins on expressions not just simple variables (Tom)
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* Add new pg_proc cachable settings to specify whether function can be
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* -Add new pg_proc cachable settings to specify whether function can be
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evaluated only once or once per query
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evaluated only once or once per query
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* -Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
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* -Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
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* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
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* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
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