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hstore parser incorrectly handles malformed input

From: Ryan Kelly <rpkelly22(at)gmail(dot)com>
To: pgsql-bugs(at)postgresql(dot)org
Subject: hstore parser incorrectly handles malformed input
Date: 2012-04-26 19:05:13
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
It seems that the hstore parser has some odd behavior in the the
handling of certain malformed input constructions:

[db]> select 'a=>,b=>1'::hstore;

[db]> select 'a=> ,b=>1'::hstore;

[db]> select 'a=>, b=>1'::hstore;
ERROR:  Syntax error near 'b' at position 5
LINE 2: select 'a=>, b=>1'::hstore;

In my mind, all of these should have been rejected as erroneous input.
To that end, I have attached a patch which causes all of these inputs
to be rejected as invalid.

-Ryan Kelly

Attachment: hstore-parser.patch
Description: text/x-diff (582 bytes)


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