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what compression is used in on disk bitmap index implementation - Mailing list pgsql-general

From sangeetha k.s
Subject what compression is used in on disk bitmap index implementation
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Msg-id e97b2e560702212147q41c4b299k123550961f3c4a10@mail.gmail.com
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Responses Re: what compression is used in on disk bitmap index implementation  (Jim Nasby <decibel@decibel.org>)
List pgsql-general
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 i want to know
      1.what compression technique used in on disk implementation of bitmap index.
      2.if we want add a new thing to the development how we can test that with the database

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