El viernes 2 de marzo de 2012 10:35:20 UTC+1, amvis escribió:
>
> I am using rails3. when i am trying to insert data into postgrsql got the 
> error like this
>
>
> *PGError: ERROR:  value too long for type character varying(15)*
>
> In the migration file have * t.string 
> :contact_number,:limit=>15,:null=>false*. this string because the 
> contact_number will be +91 9387292839. Why getting like this.....?
>

The given error is quite self descriptive: the attribute size limit is 15 
characters and you try to assign a longer string to it. Postgres raises an 
exception instead of just cutting it to 15 characters as mysql(for 
instance) would do.

You either shouldnt limit your strings or should add a length validation to 
your model. 
String defaults to 255; should you need more characters, you'd better use 
Text as type.

Personally, I don't think its worth to limit strings and save a few bytes 
in your db nowadays.



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