Re: [HACKERS] Re: [INTERFACES] retrieving varchar size

> The problem with that theory is this.  If the frontend application just
> executes some random query, such as "select * from table", you really do not
> know anything about what is coming back. You must rely on the little bit of
> information the protocol gives you.  In the case of Postgres, it gives you
> the fieldname, datatype, and size for each column in the result.
> Unfortunately, for varchar and char(n), the size reports -1.  This is not
> very helpful for describing the result set.
>
> Your above example works fine (in fact we use that already) when you know the
> table and column name, as in metadata functions such as SQLColumns() in the
> ODBC driver.

Yep.  We could pass back atttypmod as part of the PGresult.  I can add
that to the TODO list.  Would that help?

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