pgsql-server: New two-stage sampling method for ANALYZE, as per

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От tgl@svr1.postgresql.org (Tom Lane)
Тема pgsql-server: New two-stage sampling method for ANALYZE, as per
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Msg-id 20040523212402.91097D1B1C7@svr1.postgresql.org
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Log Message:
-----------
New two-stage sampling method for ANALYZE, as per discussions a few weeks
ago.  This should give significantly better results when the density of
live tuples is not uniform throughout a table.  Manfred Koizar, with
minor kibitzing from Tom Lane.

Modified Files:
--------------
    pgsql-server/src/backend/commands:
        analyze.c (r1.71 -> r1.72)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/commands/analyze.c.diff?r1=1.71&r2=1.72)

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