Re: [PR] MySQL: Support CROSS JOIN [ON | USING] ... [datafusion-sqlparser-rs]

Thu, 18 Sep 2025 15:29:47 -0700


rs-sac commented on code in PR #2025:
URL: 
https://github.com/apache/datafusion-sqlparser-rs/pull/2025#discussion_r2337189458


##########
tests/sqlparser_mysql.rs:
##########
@@ -4132,6 +4132,40 @@ fn parse_straight_join() {
         .verified_stmt("SELECT a.*, b.* FROM table_a STRAIGHT_JOIN table_b AS 
b ON a.b_id = b.id");
 }
 
+#[test]
+fn parse_cross_join_on() {
+    let sql = "SELECT * FROM t1 CROSS JOIN t2 ON a = b";
+    let select = mysql().verified_only_select(sql);
+    assert_eq!(
+        Join {
+            relation: 
table_from_name(ObjectName::from(vec![Ident::new("t2")])),
+            global: false,
+            join_operator: 
JoinOperator::CrossJoin(JoinConstraint::On(Expr::BinaryOp {
+                left: Box::new(Expr::Identifier(Ident::new("a"))),
+                op: BinaryOperator::Eq,
+                right: Box::new(Expr::Identifier(Ident::new("b"))),
+            })),
+        },
+        only(only(select.from).joins),
+    );
+}
+
+#[test]
+fn parse_cross_join_using() {

Review Comment:
   Done.



##########
tests/sqlparser_mysql.rs:
##########
@@ -4132,6 +4132,40 @@ fn parse_straight_join() {
         .verified_stmt("SELECT a.*, b.* FROM table_a STRAIGHT_JOIN table_b AS 
b ON a.b_id = b.id");
 }
 
+#[test]
+fn parse_cross_join_on() {
+    let sql = "SELECT * FROM t1 CROSS JOIN t2 ON a = b";
+    let select = mysql().verified_only_select(sql);

Review Comment:
   Done.



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