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e9fa8382df
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