sandeep-katta opened a new pull request #24182: [SPARK-27246][SQL]scalar subquery with no columns throws exception in spark shell URL: https://github.com/apache/spark/pull/24182 ## What changes were proposed in this pull request? if the subQuery has no columns then datatype should be null, so should the check for the same this fix is required for [SPARK-27088](https://issues.apache.org/jira/browse/SPARK-27088) ## How was this patch tested? Manually tested After Fix 
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