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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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Overview
Comment:Make the winTruncate() method of the windows VFS be a no-op if there are outstanding references to the memory-mapped pages. Otherwise, memory might be deleted out from under those references when the file is remapped during the truncate operation.
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SHA3-256: ffce4aac18dacbf2a3112ae2ab56c7db20cb164f179683d90a66ef38f4a98f2b
User & Date: drh 2018-11-24 17:46:07
Context
2018-11-24
20:44
Fix a bug in the geopoly_ccw() function. Test cases in TH3. check-in: 773c5c1d user: drh tags: trunk
17:46
Make the winTruncate() method of the windows VFS be a no-op if there are outstanding references to the memory-mapped pages. Otherwise, memory might be deleted out from under those references when the file is remapped during the truncate operation. check-in: ffce4aac user: drh tags: trunk
16:07
Remove the unused mmapSizeActual field from the Windows sqlite3_file implementation. check-in: 0e7aa622 user: drh tags: trunk
2018-11-23
13:21
Make the winTruncate() method of the windows VFS be a no-op if there are outstanding references to the memory-mapped pages. Otherwise, memory might be deleted out from under those references when the file is remapped during the truncate operation. Leaf check-in: 8576ccb4 user: drh tags: branch-3.25
Changes
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Changes to src/os_win.c.

Changes to test/incrvacuum.test.