BUG #16091: xpath fails to compute "name()", regression

From: PG Bug reporting form <noreply(at)postgresql(dot)org>
To: pgsql-bugs(at)lists(dot)postgresql(dot)org
Cc: cherio(at)gmail(dot)com
Subject: BUG #16091: xpath fails to compute "name()", regression
Date: 2019-10-30 16:58:33
Message-ID: 16091-a4296887079c549f@postgresql.org
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Lists: pgsql-bugs

The following bug has been logged on the website:

Bug reference: 16091
Logged by: Yuri Cherio
Email address: cherio(at)gmail(dot)com
PostgreSQL version: 12.0
Operating system: Ubuntu Linux 18.04

After upgrading postgresql from 9 to 12 the following statement no longer
produces the same result: SELECT xpath('name()', '<abc>xyz</abc>'::XML)

PostgreSQL 9 returns '{abc}'
PostgreSQL 12 returns '{""}'

This behavior changed in version 11 and perpetuated into 12.


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