Revision 30f912a41378bd0ce363276b2e6b9f590520af1d authored by Andrew Gierth on 28 January 2021, 10:53:10 UTC, committed by Andrew Gierth on 28 January 2021, 11:09:49 UTC
When building aggregate expression steps, strict checks need a bailout jump for when a null value is encountered, so there is a list of steps that require later adjustment. Adding entries to that list for steps that aren't actually strict would be harmless, except that there is an Assert which catches them. This leads to spurious errors on asserts builds, for data sets that trigger parallel aggregation of an aggregate with a non-strict deserialization function (no such aggregates exist in the core system). Repair by not adding the adjustment entry when it's not needed. Backpatch back to 11 where the code was introduced. Per a report from Darafei (Komzpa) of the PostGIS project; analysis and patch by me. Discussion: https://postgr.es/m/87mty7peb3.fsf@news-spur.riddles.org.uk
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README.git
(This file does not appear in release tarballs.)
In a release or snapshot tarball of PostgreSQL, a documentation file named
INSTALL will appear in this directory. However, this file is not stored in
git and so will not be present if you are using a git checkout.
If you are using a git checkout, you can view the most recent installation
instructions at:
https://www.postgresql.org/docs/devel/static/installation.html
Users compiling from git will also need compatible versions of Bison, Flex,
and Perl, as discussed in the install documentation. These programs are not
needed when using a tarball, since the files they are needed to build are
already present in the tarball. (On Windows, however, you need Perl anyway.)
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