On Jul 29, 2009, at 12:12 PM, Andrew Dunstan wrote:
As I said upthread, I think we can easily provide some extra
convenience functions which will do what you want. The only thing I
was really arguing about was the function name for such a gadget.
+1.
"xpath_string" does seem unfortunate, bu
pg...@mohawksoft.com wrote:
Well, the API is there, it is where, I guess, PostgreSQL is going, but I
think, philosophically, the API needs to see the XML contained within SQL
columns as being able to represent variable and optional columns in object
oriented environments easily. The harder it
>>
>> select datum form objects were key ='GUID' and
>> xpath_string(datum,E'foo/bar') = 'frobozz';
>>
>> The logic of the function seems is that it is intended to use extracted
>> XML within a query. The new xpath functionality seems not to be designed
>> to facilitate this, requiring a pretty ar
pg...@mohawksoft.com wrote:
On Tuesday 28 July 2009 23:30:23 pg...@mohawksoft.com wrote:
The thing that perplexed me was that it was not obvious from the docs
how,
exactly, to get the functionality that was simple and straight forward
in
XML2.
I continue to be in favor of adding
> On Tuesday 28 July 2009 23:30:23 pg...@mohawksoft.com wrote:
>> The thing that perplexed me was that it was not obvious from the docs
>> how,
>> exactly, to get the functionality that was simple and straight forward
>> in
>> XML2.
>
> I continue to be in favor of adding
>
> xpath_string
> xpath_n
On Tuesday 28 July 2009 23:30:23 pg...@mohawksoft.com wrote:
> The thing that perplexed me was that it was not obvious from the docs how,
> exactly, to get the functionality that was simple and straight forward in
> XML2.
I continue to be in favor of adding
xpath_string
xpath_number
xpath_boolean
pg...@mohawksoft.com wrote:
Another thing that is troubling is that more exotic types do not seem to
be supported at all. For instance, in my example I used uuid, and if one
substitutes "uuid()" for "text()" that doesn't work.
text() is an XPath function, with well defined semantics tha
On Tuesday, July 28, 2009, wrote:
>> Andrew Dunstan wrote:
>>
>>> in fact the desired functionality is present [...] You just need to
>>> use the text() function to get the contents of the node, and an
>>> array subscript to pull it out of the result array.
>>
>> I just took a quick look, and th
> Andrew Dunstan wrote:
>
>> in fact the desired functionality is present [...] You just need to
>> use the text() function to get the contents of the node, and an
>> array subscript to pull it out of the result array.
>
> I just took a quick look, and that didn't jump out at me from the
> documen
Andrew Dunstan wrote:
> in fact the desired functionality is present [...] You just need to
> use the text() function to get the contents of the node, and an
> array subscript to pull it out of the result array.
I just took a quick look, and that didn't jump out at me from the
documentation.
Kevin Grittner wrote:
Andrew Dunstan wrote:
This is really a usage question, which doesn't belong on -hackers.
Perhaps this sentence in the 8.4.0 docs should be amended or removed?:
"If you find that some of the functionality of this module is not
available in an adequate form
Andrew Dunstan wrote:
> This is really a usage question, which doesn't belong on -hackers.
Perhaps this sentence in the 8.4.0 docs should be amended or removed?:
"If you find that some of the functionality of this module is not
available in an adequate form with the newer API, please explain
pg...@mohawksoft.com wrote:
Sorry to bring this up, I know you've been fighting about XML for a while.
Currently, I am using XML2 functionality and have tried to get the newer
XPath function to work similarly, but can't quite seem to do it.
I think the current xpath function is too limited. (
On Tue, Jul 28, 2009 at 3:21 PM, wrote:
> Sorry to bring this up, I know you've been fighting about XML for a while.
>
> Currently, I am using XML2 functionality and have tried to get the newer
> XPath function to work similarly, but can't quite seem to do it.
>
> I think the current xpath functio
Sorry to bring this up, I know you've been fighting about XML for a while.
Currently, I am using XML2 functionality and have tried to get the newer
XPath function to work similarly, but can't quite seem to do it.
I think the current xpath function is too limited. (The docs said to post
problems t
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