Don't dump core when destroying an unused ParallelContext.
If a transaction or subtransaction creates a ParallelContext but ends
without calling InitializeParallelDSM, the previous code would
seg fault. Fix that.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/227d57f3587d7d2a7d0792011f5ac952ba763681
Modified Files
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src/backend/access/transam/parallel.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)