Delete Statement did not work

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Hi !
I have some problem with MySql

I tried to test as:

SELECT * From news_content_temp where created = date_sub(curdate(),INTERVAL WEEKDAY(curdate()) +7 day);

It worked well

But I tried to delete as:

Delete From news_content_temp where created = date_sub(curdate(),INTERVAL WEEKDAY(curdate()) +7 day);

It did not Work?

Why???? or It was a wrong way?

Posted 21-Jun-11 2:26am

character_kute

Updated 21-Jun-11 16:18pm

walterhevedeich

v2

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OriginalGriff 21-Jun-11 10:32am

When you say "it didn't work" what happened? Did you get an error message?

4 solutions

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arathi_suresh · Answer 1 · 2011-06-21T18:13:00

Solution 2

add SET SQL_SAFE_UPDATES=0; before the query

Posted 21-Jun-11 18:13pm

arathi_suresh

character_kute · Answer 2 · 2011-06-21T18:01:00

Solution 1

The error message was:

Error Code: 1175. To disable safe mode, toggle the option in Preferences -> SQL Editor -> Query Editor and reconnect.
You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column

Posted 21-Jun-11 18:01pm

character_kute

character_kute · Answer 3 · 2011-06-21T18:29:00

Solution 3

So, How can I set it forever? No need to set it whenever I open WorkBench?

Posted 21-Jun-11 18:29pm

character_kute

arathi_suresh · Answer 4 · 2011-06-21T18:38:00

Solution 4

SET SQL_SAFE_UPDATES=0; should be added before the query and
after the query it should be changed to 1 i.e. SET SQL_SAFE_UPDATES=1;

If set to 1, MySQL will abort if an UPDATE or DELETE is attempted that doesn't use a key or LIMIT in the WHERE clause. This makes it possible to catch wrong updates.

So, it is better you use this for every query by setting it to 0 and then resetting to 1.

Posted 21-Jun-11 18:38pm

arathi_suresh

Updated 21-Jun-11 18:42pm

v2

Comments

character_kute 22-Jun-11 1:03am

Thanks for sharing!

arathi_suresh 22-Jun-11 1:25am

Welcome! Pls mark as solution, green button