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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2017-02-01 12:17:38 +0200 |
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| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2017-02-01 12:17:38 +0200 |
| commit | 7ac4a389a7dbddaa8b19deb228f0a988e79c5795 (patch) | |
| tree | 0dab2a409a30add40cb3b3e527b91c8ff54b0be6 /src/backend/commands/functioncmds.c | |
| parent | bc1686f3f653d30847736f2b71d694b98ba5c31d (diff) | |
| download | postgresql-7ac4a389a7dbddaa8b19deb228f0a988e79c5795.tar.gz postgresql-7ac4a389a7dbddaa8b19deb228f0a988e79c5795.zip | |
Don't create "holes" in BufFiles, in the new logtape code.
The "Simplify tape block format" commit ignored the rule that blocks
returned by ltsGetFreeBlock() must be written out in the same order, at
least in the first write pass. To fix, relax that requirement, by making
ltsWriteBlock() to detect if it's about to create a "hole" in the
underlying BufFile, and fill it with zeros instead.
Reported, analysed, and reviewed by Peter Geoghegan.
Discussion: https://www.postgresql.org/message-id/CAM3SWZRWdNtkhiG0GyiX_1mUAypiK3dV6-6542pYe2iEL-foTA@mail.gmail.com
Diffstat (limited to 'src/backend/commands/functioncmds.c')
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