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Date: 2010-11-19 11:23:17 +0100
From: Alexander Ulrich <>
To: SQL devs <>
Version: 2.40.1 (Oct2010) [obsolete]
CC: @njnes
Last updated: 2011-03-28 17:31:42 +0200
Comment 15211
Date: 2010-11-19 11:23:17 +0100
From: Alexander Ulrich <>
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_5; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7
Build Identifier:
The following SQL query (which executes fine on e.g. Postgres) fails with an unknown column:
$ cat foo2.sql
SELECT t0.a
FROM (VALUES (1), (3)) AS t0(a),
(VALUES (1), (3)) AS t1(b)
WHERE a = b;
$ mclient -l sql -d test foo2.sql
SELECT: no such column 't0.a'
The same statement, slightly modified by removing the 't0.' part in the SELECT clause
results in an mserver5 process which consumes lots of CPU and is not finished after
5 minutes. The mclient process on the command line does not return.
u-080-c155:git-links ulricha$ cat foo1.sql
SELECT a
FROM (VALUES (1), (3)) AS t0(a),
(VALUES (1), (3)) AS t1(b)
WHERE a = b;
$ mclient -l sql -d test foo1.sql
[hanging, process does not finish in reasonable time]
Date: 2010-11-19 11:23:17 +0100
From: Alexander Ulrich <>
To: SQL devs <>
Version: 2.40.1 (Oct2010) [obsolete]
CC: @njnes
Last updated: 2011-03-28 17:31:42 +0200
Comment 15211
Date: 2010-11-19 11:23:17 +0100
From: Alexander Ulrich <>
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_5; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7
Build Identifier:
The following SQL query (which executes fine on e.g. Postgres) fails with an unknown column:
$ cat foo2.sql
SELECT t0.a
FROM (VALUES (1), (3)) AS t0(a),
(VALUES (1), (3)) AS t1(b)
WHERE a = b;
$ mclient -l sql -d test foo2.sql
SELECT: no such column 't0.a'
The same statement, slightly modified by removing the 't0.' part in the SELECT clause
results in an mserver5 process which consumes lots of CPU and is not finished after
5 minutes. The mclient process on the command line does not return.
u-080-c155:git-links ulricha$ cat foo1.sql
SELECT a
FROM (VALUES (1), (3)) AS t0(a),
(VALUES (1), (3)) AS t1(b)
WHERE a = b;
$ mclient -l sql -d test foo1.sql
[hanging, process does not finish in reasonable time]
Reproducible: Always
Steps to Reproduce:
Actual Results:
False error 'SELECT: no such column 't0.a'' or a non-terminating mclient/mserver5.
Expected Results:
Something like:
$ psql90 test < foo2.sql
a
1
3
Comment 15221
Date: 2010-11-24 18:59:30 +0100
From: @njnes
Changeset 6e3a607bc001 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=6e3a607bc001
Changeset description:
Comment 15222
Date: 2010-11-24 19:06:40 +0100
From: @njnes
fixed, simple value projections are now processed earlier
Comment 15224
Date: 2010-11-24 20:00:07 +0100
From: @sjoerdmullender
There is actually a reason why we have "NEXTRELEASE". I use it when preparing a release.
Comment 15655
Date: 2011-03-28 17:31:42 +0200
From: @sjoerdmullender
The Mar2011 version has been released.
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