GitHub user iyerr3 opened a pull request:
https://github.com/apache/incubator-madlib/pull/157
Multiple: Check optimizer_control before updating optimizer
JIRA: MADLIB-1109
This is applicable only for the Greenplum and HAWQ platforms:
We disable/enable ORCA using the 'optimizer' GUC in some functions for
performance reasons. GPDB/HAWQ has another GUC 'optimizer_control' which
allows the user to disable updates to the 'optimizer' GUC. Updating
'optimizer' when 'optimizer_control = off' leads to an ugly error.
This commit adds a check for the value of 'optimizer_control' and
updates 'optimizer' only if 'optimizer_control = on'.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/iyerr3/incubator-madlib
bugfix/optimizer_control
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-madlib/pull/157.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #157
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commit b86eab834e0f56f5fcb501bf1ef50556000afe8b
Author: Rahul Iyer <[email protected]>
Date: 2017-08-01T18:01:05Z
Multiple: Check optimizer_control before updating optimizer
JIRA: MADLIB-1109
This is applicable only for the Greenplum and HAWQ platforms:
We disable/enable ORCA using the 'optimizer' GUC in some functions for
performance reasons. GPDB/HAWQ has another GUC 'optimizer_control' which
allows the user to disable updates to the 'optimizer' GUC. Updating
'optimizer' when 'optimizer_control = off' leads to an ugly error.
This commit adds a check for the value of 'optimizer_control' and
updates 'optimizer' only if 'optimizer_control = on'.
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