Thanks a lot,It worked for me.
Thanks & Regards,
Saritha
On Thu, Oct 3, 2013 at 6:40 PM, David Johnston <pol...@yahoo.com> wrote:
> saritha N wrote
> > ERROR: invalid value "{0" for "dd"
> > DETAIL: Value must be an integer.
>
> The leading "{" in the data is the big give away. This is how a string
> representation of an array looks. From the documentation:
>
> http://www.postgresql.org/docs/9.3/interactive/functions-xml.html
>
>
> > The function xpath evaluates the XPath expression xpath (a text value)
> > against the XML value xml. It returns an array of XML values
> corresponding
> > to the node set produced by the XPath expression. If the XPath expression
> > returns a scalar value rather than a node set, a single-element array is
> > returned.
>
> If you want to convert the result of an xpath query you need to operate
> over
> an array. Usually that means unnesting though there are other
> possibilities. If you know you are only dealing (or care about) the first
> element you can simply code it as (xpath(...))[1] - note the surrounding
> parentheses - to get that first element.
>
> David J.
>
>
>
>
>
>
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