Date: 2016-10-20 10:26:16 +0200
From: Bo Tang <>
To: SQL devs <>
Version: -- development
CC: @njnes

Last updated: 2017-03-03 10:24:46 +0100

Comment 24557

Date: 2016-10-20 10:26:16 +0200
From: Bo Tang <>

Created attachment 483
query for debug

sqlsmith triggered the following assertion:

mserver5: rel_bin.c:2391: rel2bin_project: Assertion `0' failed.

Attached file: bug-5.sql (application/sql, 1017 bytes)
Description: query for debug

Comment 24576

Date: 2016-10-21 16:17:50 +0200
From: Bo Tang <>

Created attachment 486
another query for this bug

Attached file: bug-8.sql (application/sql, 566 bytes)
Description: another query for this bug

Comment 24964

Date: 2017-02-03 15:02:21 +0100
From: MonetDB Mercurial Repository <>

Changeset 5e21efb70081 made by Sjoerd Mullender sjoerd@acm.org in the MonetDB repo, refers to this bug.

For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=5e21efb70081

Changeset description:

Added test for bug #6080.

Comment 25008

Date: 2017-02-12 12:41:33 +0100
From: MonetDB Mercurial Repository <>

Changeset 936301a9a4f3 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=936301a9a4f3

Changeset description:

fixed bug #6080, ie dead code elimination removed all columns.

Comment 25009

Date: 2017-02-12 12:42:26 +0100
From: @njnes

fixed a problem in the deadcode optimizer

Comment 25126

Date: 2017-03-03 10:24:46 +0100
From: @sjoerdmullender

Dec2016-SP2 has been released, incorporating the fix.