Horton

Re: server crashed with TRAP: FailedAssertion("!(!parallel_aware || pathnode->path.parallel_safe)"

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: Amit Khandekar <amitdkhan.pg@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, amul sul <sulamul@gmail.com>
Date: 2018-06-19T14:15:33Z
Lists: pgsql-hackers 
On Mon, Jun 18, 2018 at 11:36 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> Fixed in the attached patch.  I will wait for a day or two to see if
> Tom or Robert wants to say something and then commit.

The patch LGTM but the commit message could perhaps use a little
word-smithing, e.g. "Commit ab72716778 allowed Parallel Append paths
to be generated for a relation that is not parallel safe.  Prevent
that from happening."

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

  1. Improve coding pattern in Parallel Append code.

  2. Support Parallel Append plan nodes.