Re: Re: Different execution plan between PostgreSQL 8.2 and 12.5

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От Torsten Krah
Тема Re: Re: Different execution plan between PostgreSQL 8.2 and 12.5
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Msg-id CAN2Hv7Byw20GYNxY-h+JFdLGvvAUszLNOZTnfQZjn5pvJfOpCg@mail.gmail.com
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Ответ на Re:Re: Different execution plan between PostgreSQL 8.2 and 12.5  (gzh <gzhcoder@126.com>)
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But you should do that according to the documentation:

...
After restoring a backup, it is wise to run ANALYZE on each database so the query optimizer has useful statistics.
...


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