GIN Index use statistic information?

From: 黄宁 <huangning0722(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: GIN Index use statistic information?
Date: 2022-10-24 08:34:51
Message-ID: CAKgrFs8YB_7pdwkhU+cVrJDYqkZT9aoh7-QJpWyLxbq9yL+cNg@mail.gmail.com
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Hi:
I create a new type for myself and create a gin index for its array type.
I want to know :
1. how to use statistic info in build index for a table?
2. how to use analyze to generate statistic information?

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