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Spurious errors and assertions (SQLsmith) #6344

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monetdb-team opened this issue Nov 30, 2020 · 0 comments
Closed

Spurious errors and assertions (SQLsmith) #6344

monetdb-team opened this issue Nov 30, 2020 · 0 comments

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@monetdb-team monetdb-team commented Nov 30, 2020

Date: 2017-07-06 14:59:03 +0200
From: @mlkersten
To: SQL devs <>
Version: -- development
CC: @njnes

Last updated: 2017-08-02 10:21:30 +0200

Comment 25426

Date: 2017-07-06 14:59:03 +0200
From: @mlkersten

User-Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0
Build Identifier:

A short query causes assertion errors in gdk_bbp sometimes. Furthermore, dropping some of the lines leads to 'object not found' and 'illegal argument'.

Test file has neen added.

Reproducible: Always

Steps to Reproduce:

select
sample_2.name as c0,
sample_2.id as c1,
sample_2.name as c2,
cast(coalesce(sample_2.id,
sample_2.id) as int) as c3,
sample_2.id as c4,
11 as c5,
sample_2.id as c6
from
sys.objects as sample_2
where sample_2.name is not NULL
limit 61;

Comment 25428

Date: 2017-07-06 15:26:39 +0200
From: MonetDB Mercurial Repository <>

Changeset f09003c62bd1 made by Martin Kersten mk@cwi.nl in the MonetDB repo, refers to this bug.

For complete details, see https//devmonetdborg/hg/MonetDB?cmd=changeset;node=f09003c62bd1

Changeset description:

Add test for bug #6344

Comment 25452

Date: 2017-07-12 10:36:06 +0200
From: @njnes

fixed by proper cleanup and variable reassignment in push select optimizer

Comment 25538

Date: 2017-08-02 10:21:30 +0200
From: @sjoerdmullender

Fixed in Jul2017-SP1 release.

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