Re: Escaping in C-language functions

Joe Conway wrote:
> Andreas Scherbaum wrote:
> > Joe Conway wrote:
> >
> >>Andreas Scherbaum wrote:
> >>
> >>>Hello,
> >>>
> >>>i have a C-language function and need to escape some strings returned
> >>>from SPI_getvalue to insert into another query string.
> >>>Is there a proper way to do the escaping or should i use
> >>>my own functions for that?
> >>>Or i'm totally wrong and there's a better way to get the values
> >>>from a row and insert it into another table?
> >>
> >
> >>If you are using 7.2, see section 1.3.2. (Escaping strings for inclusion
> >>in SQL queries) at:
> >>http://www.us.postgresql.org/users-lounge/docs/7.2/postgres/libpq-exec.html
> >>
> >>If you are using < 7.2, you'll have to create your own function. See
> >>fe-exec.c in current sources for the 7.2 function.
> >
> >
> > I'm inside a C-language function (on the server side), not inside a
> > application written in C.
> >
>
> Oops, sorry. I guess I should have inferred that from SPI_getvalue. I
> don't know of anything in the backend to help you, but I suppose you
> could cut-and-paste from fe-exec.c

    There is a builtin function

        quote_literal(text) returns text

    That'll do.


Jan

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