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5eaf77b56e
The pattern seems to be to EXPLAIN the query to ensure we get the
expected partition-wise aggregate plan, then run the same query to check
the results are what we expect. A couple of places didn't use the same
query between the EXPLAIN and the checking of the results, which
effectively voided the plan check.
Additionally, a comment claimed array_agg() didn't support partial mode,
but that was made not true in 16fd03e95.
Author: Matthias van de Meent <boekewurm@gmail.com>
Reviewed-by: Pierre Forstmann <pierre.forstmann@gmail.com>
Reviewed-by: David Rowley <dgrowleyml@gmail.com>
Discussion: https://postgr.es/m/CAEze2WgjJUiqV-VZVrWqYz+ETLtd4oKk2gbvBWxf1Fo0is5XVQ@mail.gmail.com
Backpatch-through: 14
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/.