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fixes for bugs 6124, 6125 and 6121
The apply rename optimizer step has been rewriten.
Apply optimizer now create new relational operators (doesn't steal
the structures, ie safe against referenced subqueries).
Date: 2016-11-17 17:05:20 +0100
From: Dean De Leo <>
To: SQL devs <>
Version: 11.23.13 (Jun2016-SP2)
CC: martin.van.dinther, @njnes
Last updated: 2016-12-21 13:06:52 +0100
Comment 24700
Date: 2016-11-17 17:05:20 +0100
From: Dean De Leo <>
User-Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.90 Safari/537.36
Build Identifier:
The query rewriter enters in an infinite recursion on the attached query.
On Linux, default development branch up to 62173:60942e23e88f 13/Nov/16, debug build, empty tables.
Reproducible: Always
Steps to Reproduce:
Actual Results:
The server crashes with a segfault.
Comment 24701
Date: 2016-11-17 17:06:06 +0100
From: Dean De Leo <>
Created attachment 509
repro.sql
Comment 24702
Date: 2016-11-17 17:06:32 +0100
From: Dean De Leo <>
Created attachment 510
debugger backtrace
Comment 24720
Date: 2016-11-24 19:05:36 +0100
From: MonetDB Mercurial Repository <>
Changeset c59ecb13b9da made by Martin van Dinther martin.van.dinther@monetdbsolutions.com in the MonetDB repo, refers to this bug.
For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=c59ecb13b9da
Changeset description:
Comment 24721
Date: 2016-11-24 19:11:25 +0100
From: Martin van Dinther <<martin.van.dinther>>
Changed version to Jun2016-SP2 as the issue (causing crash of mserver5) occurs in that version already.
Comment 24752
Date: 2016-12-03 12:08:14 +0100
From: MonetDB Mercurial Repository <>
Changeset b72b05357cdd 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=b72b05357cdd
Changeset description:
Comment 24756
Date: 2016-12-03 18:34:20 +0100
From: @njnes
fixed by rewriting the apply optimizers
The text was updated successfully, but these errors were encountered: