Re: BUG #2228: escaped single quotes choke spi_exec_query in

On Wed, 1 Feb 2006, Tom Lane wrote:
> "Michael Lush" <michael(at)galton(dot)ucl(dot)ac(dot)uk> writes:
> > CREATE OR REPLACE FUNCTION quote_bug(text) RETURNS text AS
> > $$
> > $data = $_[0];
>
> > $sql = "SELECT *
> > FROM test
> > WHERE foo = '$data'";
>
> > $rv_unique = spi_exec_query($sql);
>
> It's hardly a bug that you get a syntax error when $data contains
> a single quote. It's up to you to construct a well-formed query
> string to give to spi_exec_query, and this code is not doing that.
>
> regards, tom lane

As I understand it the input strings are correctly escaped

INSERT INTO test VALUES ('No problem here');
INSERT INTO test VALUES ('It''s a problem here');
INSERT INTO test VALUES ('It\'s also a problem here');

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Michael John Lush PhD Tel:44-20-7679-5027
Nomenclature Bioinformatician Fax:44-20-7387-3496
HUGO Gene Nomenclature Committee Email: nome(at)galton(dot)ucl(dot)ac(dot)uk
The Galton Laboratory
University College London, UK
URL: http://www.gene.ucl.ac.uk/nomenclature/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~