Jefffrey commented on code in PR #4840:
URL: https://github.com/apache/arrow-datafusion/pull/4840#discussion_r1064052544
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datafusion/sql/src/planner.rs:
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@@ -2390,6 +2390,63 @@ mod tests {
quick_test(sql, expected);
}
+ #[test]
+ fn using_join_multiple_keys() {
+ let sql = "SELECT * FROM person a join person b using (id, age)";
+ let expected = "Projection: a.id, a.first_name, a.last_name, a.age,
a.state, a.salary, a.birth_date, a.😀, \
+ b.first_name, b.last_name, b.state, b.salary, b.birth_date, b.😀\
+ \n Inner Join: Using a.id = b.id, a.age = b.age\
+ \n SubqueryAlias: a\
+ \n TableScan: person\
+ \n SubqueryAlias: b\
+ \n TableScan: person";
+ quick_test(sql, expected);
+ }
+
+ #[test]
+ fn using_join_multiple_keys_subquery() {
+ let sql = "SELECT age FROM (SELECT * FROM person a join person b using
(id, age, state))";
+ let expected = "Projection: a.age\
+ \n Projection: a.id, a.first_name, a.last_name,
a.age, a.state, a.salary, a.birth_date, a.😀, \
+ b.first_name, b.last_name, b.salary, b.birth_date, b.😀\
+ \n Inner Join: Using a.id = b.id, a.age = b.age,
a.state = b.state\
+ \n SubqueryAlias: a\
+ \n TableScan: person\
+ \n SubqueryAlias: b\
+ \n TableScan: person";
+ quick_test(sql, expected);
+ }
+
+ #[test]
+ fn using_join_multiple_keys_select_all_columns() {
+ let sql = "SELECT a.*, b.* FROM person a join person b using (id,
age)";
Review Comment:
Added test
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