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Fix hot standby bug with GiST scans.

author Heikki Linnakangas <heikki.linnakangas@iki.fi>

Tue, 8 Apr 2014 11:47:24 +0000 (14:47 +0300)

committer Heikki Linnakangas <heikki.linnakangas@iki.fi>

Tue, 8 Apr 2014 11:51:56 +0000 (14:51 +0300)

commit 02b9fd73ee576260355a2e2bd489f93dbcbdb37f

tree 720d16a09b0845df6f93e4c6c6f332af7c853269 tree

parent 74cf8028411700474b5464d62dafdc32d48583aa commit | diff

Fix hot standby bug with GiST scans.

Don't reset the rightlink of a page when replaying a page update record.
This was a leftover from pre-hot standby days, when it was not possible to
have scans concurrent with WAL replay. Resetting the right-link was not
necessary back then either, but it was done for the sake of tidiness. But
with hot standby, it's wrong, because a concurrent scan might still need it.

Backpatch all versions with hot standby, 9.0 and above.

src/backend/access/gist/gistxlog.c diff | blob | blame | history

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