On 2016-06-16 20:14, Tom Lane wrote:
As of HEAD you can exercise quite a lot of parallel query behavior
by running the regression tests with these settings applied:

force_parallel_mode = regress
max_parallel_workers_per_gather = 2    -- this is default at the moment
min_parallel_relation_size = 0
parallel_setup_cost = 0
parallel_tuple_cost = 0

This results in multiple interesting failures, including a core dump

I saw another previously-unreported problem before getting to the crash:

Haven't tried to trace that one down yet.

As I expected, I'm unable to reproduce anything of the above - please correct me if I'm wrong, but it all seems to have been fixed.

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