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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2019-12-16 13:57:41 +0200 |
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| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2019-12-16 13:57:41 +0200 |
| commit | 741b884353e4803abc15d4392ad287b0d5953fc4 (patch) | |
| tree | d5504ba96f84461aa8ee79ca77f6a767e7be55d2 /src/backend/access/transam/xlog.c | |
| parent | 502423180a8cc9214861bffcb8405a42f146f160 (diff) | |
| download | postgresql-741b884353e4803abc15d4392ad287b0d5953fc4.tar.gz postgresql-741b884353e4803abc15d4392ad287b0d5953fc4.zip | |
Fix yet another crash in page split during GiST index creation.
Commit a7ee7c8513 fixed a bug in GiST page split during index creation,
where we failed to re-find the position of a downlink after the page
containing it was split. However, that fix was incomplete; the other call
to gistinserttuples() in the same function needs to also clear
'downlinkoffnum'.
Fixes bug #16134 reported by Alexander Lakhin, for real this time. The
previous fix was enough to fix the crash with the reproducer script for
bug #16162, but the original script for #16134 was still crashing.
Backpatch to v12, like the previous incomplete fix.
Discussion: https://www.postgresql.org/message-id/d869f537-abe4-d2ea-0510-38cd053f5152%40gmail.com
Diffstat (limited to 'src/backend/access/transam/xlog.c')
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