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Re: Disk space consumption: character varying(255) versus text used for index - Mailing list pgsql-novice

From Tom Lane
Subject Re: Disk space consumption: character varying(255) versus text used for index
Date
Msg-id 10867.1576868144@sss.pgh.pa.us
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In response to Disk space consumption: character varying(255) versus text used forindex  (Marcel Ruff <ruff@netwake.com>)
Responses Re: Disk space consumption: character varying(255) versus text usedfor index  (Justin <zzzzz.graf@gmail.com>)
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Marcel Ruff <ruff@netwake.com> writes:
> my btree index for
>    guid                | character varying(255)
> is currently 6.9GB (almost all guid entries are of size 37bytes)
> If I would change the data type to
>   guid                | text
> would the index size be reduced (without hitting performance)?

Wouldn't make any difference at all.

            regards, tom lane

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