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BUG #17147: Why concat_ws and concat is not immutable? - Mailing list pgsql-bugs

From PG Bug reporting form
Subject BUG #17147: Why concat_ws and concat is not immutable?
Date
Msg-id 17147-11e30c950a4faae8@postgresql.org
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Responses Re: BUG #17147: Why concat_ws and concat is not immutable?  (Tom Lane <tgl@sss.pgh.pa.us>)
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The following bug has been logged on the website:

Bug reference:      17147
Logged by:          RekGRpth
Email address:      rekgrpth@gmail.com
PostgreSQL version: 13.4
Operating system:   docker alpine
Description:

Why concat_ws and concat is not immutable? And why they cannot be used in
generated always as?

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