Обсуждение: pgsql: Fix parallel index scan hang with deleted or half-dead pages.

Fix parallel index scan hang with deleted or half-dead pages.

The previous coding forgot to release the scan before seizing
it again, leading to a lockup.

Report by Patrick Hemmer.  Diagnosis by Thomas Munro.  Patch by
Amit Kapila.

Discussion: http://postgr.es/m/CAEepm=2xZUcOGP9V0O_G0=2P2wwXwPrkF=upWTCJSisUxMnuSg@mail.gmail.com

Branch
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REL_10_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/192ffe1cbd4a2beaf6c6975267c97d5affa0f26b

Modified Files
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src/backend/access/nbtree/nbtsearch.c | 10 ++++++++++
1 file changed, 10 insertions(+)