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Re: [PATCH] Planner support function for generate_subscripts() - Mailing list pgsql-hackers

From shihao zhong
Subject Re: [PATCH] Planner support function for generate_subscripts()
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Msg-id CAGRkXqTwM=54cqFZrYB9DJY5LwCVXE0pg_ATrBj23+kMS7yAnA@mail.gmail.com
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In response to Re: [PATCH] Planner support function for generate_subscripts()  (Andrew Krylosov <krylosov.andrew@gmail.com>)
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Hi Andrew,

Thanks for testing and for the review. You're right. From statistics,
estimate_array_length() counts only distinct non-null elements, so the
estimate can also be too low.

v5 rewords that comment.

Thanks,
Shihao
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