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Remove duplicated words split across lines in comments
This has been detected using some interesting tricks with sed, and the method used is mentioned in details in the discussion below. Author: Justin Pryzby Discussion: https://postgr.es/m/20180908013109.GB15350@telsasoft.com
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@ -2888,7 +2888,7 @@ analyze_mcv_list(int *mcv_counts,
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* significantly more common than the estimated selectivity they would
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* have if they weren't in the list. All non-MCV values are assumed to be
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* equally common, after taking into account the frequencies of all the
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* the values in the MCV list and the number of nulls (c.f. eqsel()).
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* values in the MCV list and the number of nulls (c.f. eqsel()).
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*
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* Here sumcount tracks the total count of all but the last (least common)
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* value in the MCV list, allowing us to determine the effect of excluding
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