Query With Double Nested Subquery Much Slower In 5.7 (Doc ID 2093810.1)

Last updated on DECEMBER 26, 2016

Applies to:

MySQL Server - Version 5.7 to 5.7 [Release 5.7]
Information in this document applies to any platform.

Symptoms

Query with double nested subquery much slower in 5.7.

A query containing double nested subqueries in application takes 0.014 seconds to run in 5.1/5.5/5.6, however in 5.7 it is taking over 40 seconds.

Cause

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