xudong963 commented on a change in pull request #1566:
URL: https://github.com/apache/arrow-datafusion/pull/1566#discussion_r786061330
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File path: datafusion/src/sql/planner.rs
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@@ -3818,6 +3832,31 @@ mod tests {
\n TableScan: public.person projection=None";
quick_test(sql, expected);
}
+
+ #[test]
+ fn cross_join_to_inner_join() {
+ let sql = "select person.id from person, orders, lineitem where
person.id = lineitem.l_item_id and orders.o_item_id = lineitem.l_description;";
+ let expected = "Projection: #person.id\
+ \n Join: #lineitem.l_description =
#orders.o_item_id\
+ \n Join: #person.id = #lineitem.l_item_id\
+ \n TableScan: person projection=None\
+ \n TableScan: lineitem projection=None\
+ \n TableScan: orders projection=None";
+ quick_test(sql, expected);
+ }
+
+ #[test]
+ fn cross_join_not_to_inner_join() {
+ let sql = "select person.id from person, orders, lineitem where
person.id = person.age;";
Review comment:
here @pjmore
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