BUG #7835: The _ acts like a wildcard when used as '%_%'

From: elliott(dot)groszek(at)navy(dot)mil
To: pgsql-bugs(at)postgresql(dot)org
Subject: BUG #7835: The _ acts like a wildcard when used as '%_%'
Date: 2013-01-29 17:20:26
Message-ID: E1U0ErC-0002rE-7i@wrigleys.postgresql.org
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The following bug has been logged on the website:

Bug reference: 7835
Logged by: Elliott Groszek
Email address: elliott(dot)groszek(at)navy(dot)mil
PostgreSQL version: 9.0.11
Operating system: Linux
Description:

Using the _ (underscore) in a wildcard query accesses values with - (dash)
as well. This results in unexpected behaviors when some data values contain
the underscore and some data values contain the dash.

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