Mike - much appreciated. I think if you'd asked me what I had in my
migration file I would have said "t.text" - looking now again I do
indeed have "t.string" #fail

thanks for the help - I'll run a new migration and update the column.

On Feb 9, 2:20 pm, Mike Abner <[email protected]> wrote:
> The easy way is to change the field to text.
>
> t.text :comment
>
> When you are doing research on db data types and rails you need to know that
> rails does a translation from the type you specify in the migration and the
> type that they create in the database.
>
> For Postgres, doing a t.string gets translated into a VARCHAR(255), NOT a
> postgres string field.  t.text gets translated into a postgres text field.
> Etc.  So you might need to have some  basic familiarity with the underlying
> db types and which ones rails uses under the covers.
>
> Mike
>
>
>
>
>
>
>
> On Wed, Feb 9, 2011 at 1:59 PM, Jason Preston <[email protected]> wrote:
> > I've been developing locally in Rails 3 using a SQLite database. I
> > created a comments table in my DB using this migration:
>
> >http://pastie.org/1546705
>
> > Locally, I can type a 500-word essay into the comment box, hit post,
> > and it saves no problem. On Heroku, I got the following response from
> > the server logs when comments failed to post:
>
> >http://pastie.org/1546711
>
> > (the important bit being: PGError: ERROR:  value too long for type
> > character varying(255) )
>
> > This was weird since I thought I was using SQLite. A little digging
> > told me that Heroku automatically uses Postgress and manages the
> > translation automagically somehow. Cool -- except, looking up
> > postgress (I think), I'm STILL supposed to define the field a "string"
> > in my migration to get an unlimited, variable character field in the
> > DB:
>
> >http://www.postgresql.org/docs/8.4/static/datatype-character.html
>
> > Anyone have any ideas about why my production DB is rejecting the
> > longer strings, and maybe how I can fix it? I probably need to run an
> > additional migration, but I'm not sure what to define other than
> > "text"...
>
> > Any help much appreciated,
>
> > Cheers,
> >  - J
>
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