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From: Tom Lane <tgl@sss.pgh.pa.us>
To: M Sarwar <sarwarmd02@outlook.com>
cc: Scott Ribe <scott_ribe@elevated-dev.com>,
        "pgsql-admin@lists.postgresql.org" <pgsql-admin@lists.postgresql.org>
Subject: Re: The same result for with SPACE and without SPACE
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Comments: In-reply-to M Sarwar <sarwarmd02@outlook.com>
	message dated "Wed, 14 Jun 2023 22:31:34 -0000"
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Date: Wed, 14 Jun 2023 18:45:39 -0400
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M Sarwar <sarwarmd02@outlook.com> writes:
> I expect this to behave the same way whether it comes from CHAR or VARCHAR.

You expect incorrectly.  CHAR comparison is insensitive to trailing
spaces:

https://www.postgresql.org/docs/current/datatype-character.html

			regards, tom lane