- 06 Oct, 2005 1 commit
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Tom Lane authored
predicate_implied_by() to detect redundant filter conditions, but forgot that predicate_implied_by() assumes its first argument contains only immutable functions. Add a check to guarantee that. Also, test to see if filter conditions can be discarded because they are redundant with the predicate of a partial index.
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- 23 Jul, 2005 1 commit
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Tom Lane authored
scans are candidates for exclusion; this should be fixed eventually. Simon Riggs, with some help from Tom Lane.
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- 10 Jun, 2005 1 commit
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Tom Lane authored
in its own right. As proposed by Simon Riggs, but with some editorializing of my own.
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