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From: Tom Hartnett <tdhartnett@gmail.com>
To: pgsql-admin@postgresql.org
Subject: simple question about using an empty string building a partial index
Date: Mon, 2 May 2011 22:52:04 -0500
Message-ID: <BANLkTimkN8c4WVtNGQY0nbY_aPdR-yiEfg@mail.gmail.com> (raw)

can it be done?

create index my_idx on my_table(col1) where col1='';

ERROR:  invalid input syntax for integer: ""

Seems simple enough but I don't know what the trick is.

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