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Fix inconsistencies and typos in the tree, take 9
This addresses more issues with code comments, variable names and unreferenced variables. Author: Alexander Lakhin Discussion: https://postgr.es/m/7ab243e0-116d-3e44-d120-76b3df7abefd@gmail.com
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@ -74,7 +74,7 @@ gistkillitems(IndexScanDesc scan)
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/*
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* Mark all killedItems as dead. We need no additional recheck, because,
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* if page was modified, pageLSN must have changed.
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* if page was modified, curPageLSN must have changed.
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*/
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for (i = 0; i < so->numKilled; i++)
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{
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@ -379,11 +379,11 @@ gistScanPage(IndexScanDesc scan, GISTSearchItem *pageItem, double *myDistances,
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/*
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* Check if the page was deleted after we saw the downlink. There's
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* nothing of interest on a deleted page. Note that we must do this
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* after checking the NSN for concurrent splits! It's possible that
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* the page originally contained some tuples that are visible to us,
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* but was split so that all the visible tuples were moved to another
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* page, and then this page was deleted.
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* nothing of interest on a deleted page. Note that we must do this after
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* checking the NSN for concurrent splits! It's possible that the page
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* originally contained some tuples that are visible to us, but was split
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* so that all the visible tuples were moved to another page, and then
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* this page was deleted.
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*/
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if (GistPageIsDeleted(page))
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{
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