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> * Add hash for evaluating GROUP BY aggregates (Tom)
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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: Wed Nov 6 00:56:27 EST 2002
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Last updated: Wed Nov 6 01:20:47 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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@ -371,7 +371,7 @@ Optimizer / Executor
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* Improve Subplan list handling
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* Improve Subplan list handling
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* Allow Subplans to use efficient joins(hash, merge) with upper variable
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* Allow Subplans to use efficient joins(hash, merge) with upper variable
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* -Add hash for evaluating GROUP BY aggregates (Tom)
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* Add hash for evaluating GROUP BY aggregates (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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* 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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* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
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* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
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