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LIKE join: BATfetchjoin does not hit always #3375

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

LIKE join: BATfetchjoin does not hit always #3375

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

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

Date: 2013-09-27 16:28:52 +0200
From: @swingbit
To: SQL devs <>
Version: 11.15.3 (Feb2013-SP1)
CC: @njnes

Last updated: 2013-10-22 14:42:08 +0200

Comment 19203

Date: 2013-09-27 16:28:52 +0200
From: @swingbit

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.57 Safari/537.36
Build Identifier:

create table x (s string);
insert into x values('%able%');
select * from sys.tables, x where name like s;

This gives:

GDK reported error.
BATfetchjoin(tmpr_11744,tmp_11736) does not hit always (|bn|=0 != 4=|l|) => can't use fetchjoin.

Reproducible: Always

Comment 19230

Date: 2013-10-02 11:08:07 +0200
From: MonetDB Mercurial Repository <>

Changeset 2255b42087dd 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=2255b42087dd

Changeset description:

fixed bug #3375. Handle swapping of join operants (in case of filter joins).

Comment 19231

Date: 2013-10-02 11:08:32 +0200
From: @njnes

fixed, properly handle the swapped join condition

Comment 19246

Date: 2013-10-04 18:16:23 +0200
From: MonetDB Mercurial Repository <>

Changeset 44580ebcfa76 made by Stefan Manegold Stefan.Manegold@cwi.nl in the MonetDB repo, refers to this bug.

For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=44580ebcfa76

Changeset description:

swapped_likejoin.Bug-3375: approve default branch output
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