Find dangling membership roles in pg_dumpall - Mailing list pgsql-hackers

From Andreas 'ads' Scherbaum
Subject Find dangling membership roles in pg_dumpall
Date
Msg-id de44299d-cd31-b41f-2c2a-161fa5e586a5@pgug.de
Whole thread Raw
Responses Re: Find dangling membership roles in pg_dumpall
List pgsql-hackers
Hello,

pg_dumpall.c has a function dumpRoleMembership() which dumps all
membership roles. This function includes a piece of code which checks
if the membership tree has an open end which can't be resolved.
However that code is never used.

The variable prev_remaining is initially set to 0, and then never changed.
Which in turn never executes this code:

if (remaining == prev_remaining)

because the loop is only entered while "remaining > 0".

The attached patch fixes this problem, and updates prev_remaining inside
the loop.


Co-Author: Artur Zakirov <zaartur@gmail.com>
who reviewed the patch.


Regards

-- 
                Andreas 'ads' Scherbaum
German PostgreSQL User Group
European PostgreSQL User Group - Board of Directors
Volunteer Regional Contact, Germany - PostgreSQL Project

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