Merge pull request #9192 from b41sh/fix-left-join-null

fix(planner): fix left join with empty column

Author: mergify[bot]

src/query/datavalues/src/columns/nullable/mod.rs

@@ -108,7 +108,8 @@ impl Column for NullableColumn {
     }
 
     fn len(&self) -> usize {
-        self.column.len()
+        // column length may less than validity length
+        self.validity.len()
     }
 
     fn null_at(&self, row: usize) -> bool {

tests/logictest/suites/mode/cluster/broadcast_join.test

@@ -217,6 +217,15 @@ select * from t1 left outer join t2 on t1.a > t2.c order by a,b,c,d;
 7 8 6 8
 
 
+statement query III
+select t1.a, t2.c, t2.d from t1 left join t2 on t2.c in ( -t2.c );
+
+----
+1 NULL NULL
+3 NULL NULL
+7 NULL NULL
+
+
 statement ok
 drop table t1;
 

tests/logictest/suites/query/join.test

@@ -214,6 +214,15 @@ select * from t1 left outer join t2 on t1.a > t2.c order by a,b,c,d;
 7 8 6 8
 
 
+statement query III
+select t1.a, t2.c, t2.d from t1 left join t2 on t2.c in ( -t2.c );
+
+----
+1 NULL NULL
+3 NULL NULL
+7 NULL NULL
+
+
 statement ok
 drop table t1;