[fix](nested_loop_join) null value should be output in semi-anti join (#23971)
create table t1
(k1 bigint, k2 bigint)
ENGINE=OLAP
DUPLICATE KEY(k1, k2)
COMMENT 'OLAP'
DISTRIBUTED BY HASH(k2) BUCKETS 1
PROPERTIES (
"replication_allocation" = "tag.location.default: 1",
"is_being_synced" = "false",
"storage_format" = "V2",
"light_schema_change" = "true",
"disable_auto_compaction" = "false",
"enable_single_replica_compaction" = "false"
);
create table t3
(k1 bigint, k2 bigint)
ENGINE=OLAP
DUPLICATE KEY(k1, k2)
COMMENT 'OLAP'
DISTRIBUTED BY HASH(k2) BUCKETS 1
PROPERTIES (
"replication_allocation" = "tag.location.default: 1",
"is_being_synced" = "false",
"storage_format" = "V2",
"light_schema_change" = "true",
"disable_auto_compaction" = "false",
"enable_single_replica_compaction" = "false"
);
Data:
insert into t1 values (1,null),(null,1),(1,2), (null,2),(1,3), (2,4), (2,5), (3,3), (3,4), (20,2), (22,3), (24,4),(null,null);
insert into t3 values (1,null),(null,1),(1,4), (1,2), (null,3), (2,4), (3,7), (3,9),(null,null),(5,1);
Query:
select t1.* from t1 where not exists ( select k1 from t3 where t1.k2 < t3.k2 );
Result:
Empty set
Expect result:
+------+------+
| k1 | k2 |
+------+------+
| NULL | NULL |
| 1 | NULL |
+------+------+
68acb8597b