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pgindent run for 9.4
This includes removing tabs after periods in C comments, which was applied to back branches, so this change should not effect backpatching.
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@ -4,7 +4,7 @@
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* heap scan synchronization support
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*
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* When multiple backends run a sequential scan on the same table, we try
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* to keep them synchronized to reduce the overall I/O needed. The goal is
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* to keep them synchronized to reduce the overall I/O needed. The goal is
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* to read each page into shared buffer cache only once, and let all backends
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* that take part in the shared scan process the page before it falls out of
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* the cache.
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@ -26,7 +26,7 @@
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* don't want such queries to slow down others.
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*
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* There can realistically only be a few large sequential scans on different
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* tables in progress at any time. Therefore we just keep the scan positions
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* tables in progress at any time. Therefore we just keep the scan positions
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* in a small LRU list which we scan every time we need to look up or update a
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* scan position. The whole mechanism is only applied for tables exceeding
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* a threshold size (but that is not the concern of this module).
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@ -243,7 +243,7 @@ ss_search(RelFileNode relfilenode, BlockNumber location, bool set)
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* relation, or 0 if no valid location is found.
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*
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* We expect the caller has just done RelationGetNumberOfBlocks(), and
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* so that number is passed in rather than computing it again. The result
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* so that number is passed in rather than computing it again. The result
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* is guaranteed less than relnblocks (assuming that's > 0).
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*/
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BlockNumber
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