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Optimize sparse bitmap operations (set, test and clear) with mostly consecutive values [CORE1070] #1491

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firebird-issue-importer opened this issue Dec 27, 2006 · 9 comments

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Submitted by: @hvlad

SparseBitmap::set, test and clear spend most it's run time in relatively costly BePlusTree::locate method.
As bunch of bits reside on the same BePlusTree node we can avoid unnecessary call's to BePlusTree::locate when many SparseBitmap operations done with consecutive values. It often happens when we do an index scan as key duplicates now sorted by record numbers

Commits: 2b771cc

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@firebird-issue-importer firebird-issue-importer commented Dec 27, 2006

Modified by: @hvlad

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

Fix Version: 2.1 [ 10041 ]

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@firebird-issue-importer firebird-issue-importer commented Apr 15, 2007

Modified by: @pcisar

status: Resolved [ 5 ] => Closed [ 6 ]

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@firebird-issue-importer firebird-issue-importer commented Apr 26, 2007

Commented by: @pcisar

Reopened to update ticket information.

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@firebird-issue-importer firebird-issue-importer commented Apr 26, 2007

Modified by: @pcisar

status: Closed [ 6 ] => Reopened [ 4 ]

resolution: Fixed [ 1 ] =>

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@firebird-issue-importer firebird-issue-importer commented Apr 26, 2007

Modified by: @pcisar

Fix Version: 2.1 Alpha 1 [ 10150 ]

Fix Version: 2.1.0 [ 10041 ] =>

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@firebird-issue-importer firebird-issue-importer commented Apr 26, 2007

Modified by: @pcisar

status: Reopened [ 4 ] => Closed [ 6 ]

resolution: Fixed [ 1 ]

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@firebird-issue-importer firebird-issue-importer commented Jan 28, 2008

Modified by: @pcisar

Workflow: jira [ 11441 ] => Firebird [ 14971 ]

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@firebird-issue-importer firebird-issue-importer commented Jan 19, 2016

Modified by: @pavel-zotov

QA Status: No test

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@firebird-issue-importer firebird-issue-importer commented Aug 20, 2016

Modified by: @pavel-zotov

status: Closed [ 6 ] => Closed [ 6 ]

QA Status: No test => Cannot be tested

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