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Re: Update with subselect sometimes returns wrong result - Mailing list pgsql-bugs

From Alvaro Herrera
Subject Re: Update with subselect sometimes returns wrong result
Date
Msg-id 20131219155807.GL11006@eldon.alvh.no-ip.org
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In response to Re: Update with subselect sometimes returns wrong result  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Responses Re: Update with subselect sometimes returns wrong result  (Alvaro Herrera <alvherre@2ndquadrant.com>)
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Actually, the original coding is better because it enables easier
writing of other optimizations, such as in the attached which should
also cure the performance regression noted in bug #8470.

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Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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