[GitHub] [arrow-datafusion] askoa commented on a diff in pull request #3674: Fail if field lengths are not same in INTERSECT and EXPECT

[GitBox <gi...@apache.org>]

askoa commented on code in PR #3674:
URL: https://github.com/apache/arrow-datafusion/pull/3674#discussion_r985088851


##########
datafusion/expr/src/logical_plan/builder.rs:
##########
@@ -781,6 +781,16 @@ impl LogicalPlanBuilder {
         join_type: JoinType,
         is_all: bool,
     ) -> Result<LogicalPlan> {
+        let left_len = left_plan.schema().fields().len();
+        let right_len = right_plan.schema().fields().len();
+
+        if left_len != right_len {
+            return Err(DataFusionError::Plan(format!(
+                "Expected the no. of fields to be the same. Left fields count = {} and right fields count = {} are not the same.",

Review Comment:
   I updated based on your suggestion. Let me know if that works.



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