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Re: [GENERAL] B-tree index on a VARCHAR(4000) column - Mailing list pgsql-general

From Tom Lane
Subject Re: [GENERAL] B-tree index on a VARCHAR(4000) column
Date
Msg-id 19165.1504871772@sss.pgh.pa.us
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In response to [GENERAL] B-tree index on a VARCHAR(4000) column  (Ron Johnson <ron.l.johnson@cox.net>)
Responses Re: [GENERAL] B-tree index on a VARCHAR(4000) column  (John Turner <fenwayriffs@gmail.com>)
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Ron Johnson <ron.l.johnson@cox.net> writes:
> Based on LENGTH(offending_column), none of the values are more than 144 
> bytes in this 44.2M row table.  Even though VARCHAR is, by definition, 
> variable length, are there any internal design issues which would make 
> things more efficient if it were dropped to, for example, VARCHAR(256)?

No.
        regards, tom lane


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