Wenchen Fan created SPARK-30223:
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Summary: queries in thrift server may read wrong SQL configs
Key: SPARK-30223
URL: https://issues.apache.org/jira/browse/SPARK-30223
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0
Reporter: Wenchen Fan
The Spark thrift server creates many SparkSessions to serve requests, and the
thrift server serves requests using a single thread. One thread can only have
one active SparkSession, so SQLCong.get can't get the proper conf from the
session that runs the query.
Whenever we issue an action on a SparkSession, we should set this session as
active session, e.g. `SparkSession.sql`.
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