Re: XMLEXISTS on legacy XML with malformed xmlns

Hi!

I've some (about 1M records) containing legacy XML I would like to parse and apply XMLEXISTS.

This is the query:

select * from xmllog
 where xpath_exists(('//MyDocument[@DocNum = ''000411828'']'::text), xmlparse(document cdataout));

This is the error:

ERRO: could not parse XML document
SQL state: 2200M
Detail: line 2: xmlns:leg: 'LEGACYAPP - SEND MSG EVENTS ABOUT' is not a valid URI
<leg:sendmsgeventsabout xmlns:leg="LEGACYAPP - SEND MSG EVENTS ABOUT">
^

This is the sample XML with malformed xmlns (I've shortenet the data, but the important thing here is the malformed xmlns):

"<?xml version="1.0" encoding="utf-8" ?>
<leg:sendmsgeventsabout  xmlns:leg="LEGACYAPP - SEND MSG EVENTS ABOUT">
  <carrier xmlns="" controlnum="04503660000146">
    <MyDocument DocNum="000511852">
      <other_info>0</other_info>
      <complement info (...)"


I can easly read this XML in Notepad++, and also in Java - but PostgreSQL always throw error.

Can you plase tell me how can make PostgreSQL ignore this malformed xmlns and proceed processing the XML?

Thanks,

--
Atenciosamente,

Edson Carlos Ericksson Richter



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