patch: function xmltable

Pavel Stehule <pavel.stehule@gmail.com>

From: Pavel Stehule <pavel.stehule@gmail.com>
To: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2016-08-19T08:58:52Z
Lists: pgsql-hackers

Attachments

Hi

I am sending implementation of xmltable function. The code should to have
near to final quality and it is available for testing.

I invite any help with documentation and testing.

Regards

Pavel

Commits

  1. Support XMLTABLE query expression

  2. Create <sect3> in the functions-xml section

  3. Improve handling of "UPDATE ... SET (column_list) = row_constructor".

  4. Add xmlexists function