On Sat, Feb 3, 2018 at 3:08 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Thomas Munro <thomas.mu...@enterprisedb.com> writes:
>> However, it's not surprising that you drew the
>> opposite conclusion (ie that it might in fact not be in the TOC),
>> since the shm space is really only necessary for EXPLAIN ANALYZE.
>> Perhaps I should make it skip setting up this shm stuff if
>> !node->ss.ps.instrument, just like the equivalent Sort node code.  I
>> will look into that on Monday.
> OK.  Please send in a patch to either do that or switch this call to use
> noError = false.  Or possibly both: shouldn't there be some other signal
> path that tells the worker whether instrumentation is needed?  I'll
> leave it alone pending your investigation.

Here's a patch do to both.

Thomas Munro

Attachment: skip-hash-instrumentation-if-not-needed.patch
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