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Simulating queries produces unexpected results #13893

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FixedLocally opened this issue Dec 27, 2017 · 0 comments · Fixed by #14231
Closed

Simulating queries produces unexpected results #13893

FixedLocally opened this issue Dec 27, 2017 · 0 comments · Fixed by #14231
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@MauricioFauth
Labels
Bug A problem or regression with an existing feature
Milestone
4.8.1

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@FixedLocally
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Steps to reproduce

  1. Type an UPDATE query against a table, setting some column to NULL and the WHERE condition actually match some rows. In my case, UPDATE api_keys SET fileid=NULL WHERE fileid='';
  2. Simulate the query
  3. phpMyAdmin shows 0 rows affected while simulating, upon investigating the SELECT query used in the simulation, I found "<> NULL", which is believed to be the cause of matching nothing.
  4. Run the query, and see rows updated != 0

Expected behaviour

Matched rows > 0

Actual behaviour

Matched rows == 0

Server configuration

Operating system:
Ubuntu 17.10 x64

Web server:
lighttpd

Database:
MariaDB 10.1.25

PHP version:
7.1.8-1ubuntu1

phpMyAdmin version:
4.6.6deb5

Client configuration

Browser:
Chromium 63.0.3239.84

Operating system:
Ubuntu 17.10 x64
aswaniprakash added a commit to aswaniprakash/phpmyadmin that referenced this issue Apr 25, 2018
@aswaniprakash
phpmyadmin#13893 issue fix Simulating queries produce unexpected results
8127d00 
Signed-off-by: Aswani Prakash <aswani15prakash@gmail.com>
@MauricioFauth MauricioFauth added the Bug A problem or regression with an existing feature label May 16, 2018
@aswaniprakash aswaniprakash mentioned this issue May 16, 2018
Merged
4 tasks
MauricioFauth pushed a commit that referenced this issue May 16, 2018
@aswaniprakash @MauricioFauth
#13893 issue fix Simulating queries produce unexpected results
594cb7b 
Signed-off-by: Aswani Prakash <aswani15prakash@gmail.com>
@MauricioFauth MauricioFauth self-assigned this May 16, 2018
@MauricioFauth MauricioFauth added this to the 4.8.1 milestone May 16, 2018
MauricioFauth pushed a commit that referenced this issue May 16, 2018
@aswaniprakash @MauricioFauth
#13893 issue fix Simulating queries produce unexpected results
9274c69 
Signed-off-by: Aswani Prakash <aswani15prakash@gmail.com>
(cherry picked from commit 594cb7b)
Signed-off-by: Maurício Meneghini Fauth <mauriciofauth@gmail.com>
MauricioFauth added a commit that referenced this issue May 16, 2018
@MauricioFauth
Add ChangeLog entry for #13893
f5c787e 
Signed-off-by: Maurício Meneghini Fauth <mauriciofauth@gmail.com>
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Assignees

@MauricioFauth MauricioFauth

Labels
Bug A problem or regression with an existing feature
Projects
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Milestone
4.8.1
Development

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#13893 issue fix Simulating queries produce unexpected results aswaniprakash/phpmyadmin
2 participants
@MauricioFauth @FixedLocally