Beefy Boxes and Bandwidth Generously Provided by pair Networks
Do you know where your variables are?
 
PerlMonks  

Re: MySQL Database DBD Error

by roboticus (Canon)
on Oct 11, 2012 at 17:50 UTC ( #998498=note: print w/ replies, xml ) Need Help??


in reply to MySQL Database DBD Error

dnamonk:

If you're not using placeholders for your database code, then perhaps you've got a field with an embedded apostrophe in it. For example:

my $t = "Bobby Tables' and HeadName=1; drop table mytable;"; my $SQL = "select * from mytable where id='$t'"; print $SQL, "\n";

If you expand the resulting SQL and reformat it, you'll see that it's rather fortunate that HeadName isn't a column in your table!

select * from mytable where id='Bobby Tables' and HeadName=1; drop table mytable;

...roboticus

When your only tool is a hammer, all problems look like your thumb.


Comment on Re: MySQL Database DBD Error
Select or Download Code

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://998498]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others surveying the Monastery: (8)
As of 2014-12-28 21:40 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    Is guessing a good strategy for surviving in the IT business?





    Results (183 votes), past polls