.
Thanks,
Linna
From: Mich Talebzadeh
Sent: Tuesday, May 12, 2020 11:16 PM
To: Shuang, Linna1
Cc: user@spark.apache.org
Subject: Re: [Spark SQL][reopen SPARK-16951]:Alternative implementation of NOT
IN to Anti-join
Hi Linna,
Please provide a background to it and your solution. The assumption
Hello,
This JIRA (SPARK-16951) already being closed with the resolution of "Won't Fix"
on 23/Feb/17.
But in TPC-H test, we met performance issue of Q16, which used NOT IN subquery
and being translated into broadcast nested loop join. This query uses almost
half time of total 22 queries. For
