Clarify working in 'top x items using sequential scan' item
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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: Mon Feb 11 13:14:25 EST 2002
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Last updated: Tue Feb 12 17:24:00 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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@ -409,6 +409,7 @@ OPTIMIZER / EXECUTOR
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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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* Allow ORDER BY ... LIMIT to select top values without sort or index
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* Allow ORDER BY ... LIMIT to select top values without sort or index
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using a sequential scan for highest/lowest values
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MISCELLANEOUS
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MISCELLANEOUS
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