On 03/13/2014 11:27 AM, Ashoke wrote:

Thanks for the input. I would look into JSON parsing as well, but the requirement is XML parsing.

There is no DTD/Schema for the XML. Is there any way I could know what are the possible tags and their values? I am building my parser based on the output PostgreSQL produces (hard coding the tags) and I am afraid I would miss out on tags.

No, it's not possible, since modules can hook in and add their own nodes with arbitrary names (see for example the Postgres FDW which does this). You need to be able to handle arbitrary tags, even if it's by ignoring them.



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