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commit    67c5b8840fcad07eeecd9af517b9b1ff09a3cf8e
Author:   David Rowley <drowley@postgresql.org>
Date:     Mon Jan 23 08:31:46 2023 +0000
First released in: 16.0

    Harden new parallel string_agg/array_agg regression test
    
    Per buildfarm member mandrill, it seems that
    max_parallel_workers_per_gather may not always be set to the default value
    of 2 when the new test added in 16fd03e95 is executed.  Here let's just
    explicitly set that to 2 so that the planner never opts to use more than
    that many parallel workers.


 src/test/regress/expected/aggregates.out | 1 +
 src/test/regress/sql/aggregates.sql      | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/test/regress/expected/aggregates.out b/src/test/regress/expected/aggregates.out
index 2a806be3277..8f96c4ed534 100644
--- a/src/test/regress/expected/aggregates.out
+++ b/src/test/regress/expected/aggregates.out
@@ -1872,6 +1872,7 @@ set parallel_tuple_cost TO 0;
 set parallel_leader_participation TO 0;
 set min_parallel_table_scan_size = 0;
 set bytea_output = 'escape';
+set max_parallel_workers_per_gather = 2;
 -- create a view as we otherwise have to repeat this query a few times.
 create view v_pagg_test AS
 select
diff --git a/src/test/regress/sql/aggregates.sql b/src/test/regress/sql/aggregates.sql
index 12e24a0dfad..f6815a1784d 100644
--- a/src/test/regress/sql/aggregates.sql
+++ b/src/test/regress/sql/aggregates.sql
@@ -728,6 +728,7 @@ set parallel_tuple_cost TO 0;
 set parallel_leader_participation TO 0;
 set min_parallel_table_scan_size = 0;
 set bytea_output = 'escape';
+set max_parallel_workers_per_gather = 2;
 
 -- create a view as we otherwise have to repeat this query a few times.
 create view v_pagg_test AS


[parent: c31cf1c03d01]