jayzhan211 commented on code in PR #6796:
URL: https://github.com/apache/arrow-datafusion/pull/6796#discussion_r1346620948
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datafusion/expr/src/logical_plan/builder.rs:
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@@ -1038,6 +1042,114 @@ impl LogicalPlanBuilder {
pub fn unnest_column(self, column: impl Into<Column>) -> Result<Self> {
Ok(Self::from(unnest(self.plan, column.into())?))
}
+
+ pub fn join_unnest_plans(
Review Comment:
We need `join` function for each unnested column. Otherwise, we get
something like (1, 4), (1, 5), (2, 4), (2, 5), (3, 4), (3, 5), (3, null).
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