huangxiaoping

You can import the configuration file( saffron.properties) of calcite and set calcite.default.charset=utf8，this solves the problem.

> May I ask your use case, @huangxiaopingRD ? It would be great if you can put that into the PR description because `spark.executor.allowSparkContext` is not recommended in the community...

> Although I am surprised that we have such an ability, the code change here looks incorrect to me, as the RpcEnv in a sub-SparkContext relies on this property. You...

> Generally, we should always respect user explicitly requested data distribution to unsurprise users. My view may be too pessimistic, breaking user requested data distribution may cause correctness issue in...