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
PostgreSQL Database Management System
=====================================
This directory contains the source code distribution of the PostgreSQL
database management system.
PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions. This distribution also contains C language bindings.
PostgreSQL has many language interfaces, many of which are listed here:
https://www.postgresql.org/download
See the file INSTALL for instructions on how to build and install
PostgreSQL. That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system. Copyright and license information can be found in the
file COPYRIGHT. A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.
The latest version of this software may be obtained at
https://www.postgresql.org/download/. For more information look at our
web site located at https://www.postgresql.org/.
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