Writing a join selectivity function

From: Angela Maduko <ifymaduko(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Writing a join selectivity function
Date: 2005-05-17 12:43:08
Message-ID: a0afe2f60505170543648eda39@mail.gmail.com
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Hi,

I am trying to write a join selectivity function for a user defined
operator. The available documentation does not exactly specify how to
go about this. Can anyone shed more light on this?

Thanks in advance,
Ify.

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