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fixes for bugs 6114, 6115, 6116 and 6117
improved dead code elimination for cases with references to sub queries (ie its a dag)
push simple select like expressions downs
split_project test is added here but only crashes in the dec2016/default.
Date: 2016-11-09 11:10:43 +0100
From: Dean De Leo <>
To: SQL devs <>
Version: -- development
CC: @njnes
Last updated: 2016-12-21 13:07:22 +0100
Comment 24661
Date: 2016-11-09 11:10:43 +0100
From: Dean De Leo <>
User-Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36
Build Identifier:
The server crashes due to an assertion when issuing certain kind of scalar subqueries.
Reproducible: Always
Steps to Reproduce:
Actual Results:
See attached backtrace
Expected Results:
Server failures are bad. Assuming they should never occur.
Comment 24662
Date: 2016-11-09 11:11:32 +0100
From: Dean De Leo <>
Created attachment 497
DBMS schema
Comment 24663
Date: 2016-11-09 11:11:53 +0100
From: Dean De Leo <>
Created attachment 498
Repro query (query3.sql)
Comment 24664
Date: 2016-11-09 11:12:24 +0100
From: Dean De Leo <>
Created attachment 499
Backtrace
Comment 24665
Date: 2016-11-09 11:12:45 +0100
From: Dean De Leo <>
On Linux, tip of the default branch, debug build, empty tables.
Comment 24672
Date: 2016-11-09 23:07:12 +0100
From: MonetDB Mercurial Repository <>
Changeset bfc05edc1fa1 made by Niels Nes niels@cwi.nl in the MonetDB repo, refers to this bug.
For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=bfc05edc1fa1
Changeset description:
Comment 24676
Date: 2016-11-10 08:06:08 +0100
From: @njnes
fixed a problem with semijoin and select expressions (ie they get pushed down more now)
The text was updated successfully, but these errors were encountered: