BUG #14152: pg_dump does not take into account previous versions reserved keywords as column names

From: alejandro(at)cartodb(dot)com
To: pgsql-bugs(at)postgresql(dot)org
Subject: BUG #14152: pg_dump does not take into account previous versions reserved keywords as column names
Date: 2016-05-20 16:58:24
Message-ID: 20160520165824.22598.31426@wrigleys.postgresql.org
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The following bug has been logged on the website:

Bug reference: 14152
Logged by: Alejandro Martínez
Email address: alejandro(at)cartodb(dot)com
PostgreSQL version: 9.5.3
Operating system: Windows
Description:

Steps to reproduce:

- Have a 9.3.13 cluster
- On that database run: CREATE TABLE test(foo int, "over" test, bar int);.
Note that "over" is a keyword which apparently went from reserved to
non-reserved on 9.4 release.
- Use a 9.5.3 pg_dump to dump the database.

It fails with:

pg_dump: [archiver (db)] query failed: ERROR: syntax error at or near
"over"
LINE 1: COPY public.test (foo, over, bar) TO stdout;
^
pg_dump: [archiver (db)] query was: COPY public.test (foo, over, bar) TO
stdout;

Using a 9.3 pg_dump will quote the "over" column name and properly finish
the dump.

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