alamb commented on code in PR #2352:
URL: https://github.com/apache/arrow-datafusion/pull/2352#discussion_r860184293
##########
datafusion/core/src/sql/planner.rs:
##########
@@ -4311,4 +4327,41 @@ mod tests {
);
quick_test(sql, &expected);
}
+
+ #[test]
+ fn in_subquery_uncorrelated() {
+ let sql = "SELECT id FROM person p WHERE id IN \
+ (SELECT id FROM person)";
+
+ let subquery_expected = "Subquery: Projection: #person.id\
+ \n TableScan: person projection=None";
+
+ let expected = format!(
+ "Projection: #p.id\
+ \n Filter: #p.id IN ({})\
+ \n SubqueryAlias: p\
+ \n TableScan: person projection=None",
+ subquery_expected
+ );
+ quick_test(sql, &expected);
+ }
+
+ #[test]
Review Comment:
👍
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