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From: Tom Lane <[email protected]>
To: M Sarwar <[email protected]>
Cc: Scott Ribe <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: The same result for with SPACE and without SPACE
Date: Wed, 14 Jun 2023 18:45:39 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <DM4PR19MB59784B518F25D2C2292CA3FBD35AA@DM4PR19MB5978.namprd19.prod.outlook.com>
References: <DM4PR19MB5978EB964FA1C7B55FFCB02DD35AA@DM4PR19MB5978.namprd19.prod.outlook.com>
	<DM4PR19MB59782360E0C452810D70CBE8D35AA@DM4PR19MB5978.namprd19.prod.outlook.com>
	<[email protected]>
	<DM4PR19MB59784B518F25D2C2292CA3FBD35AA@DM4PR19MB5978.namprd19.prod.outlook.com>

M Sarwar <[email protected]> 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

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