test: test case for issue_169

tests/slt/subquery.slt

@@ -39,10 +39,10 @@ select * from t1 where a <= (select 4) and a > (select 1)
 ----
 1 3 4
 
-# query III
-# select * from t1 where a <= (select 4) and (-a + 1) < (select 1) - 1
-# ----
-# 1 3 4
+query III
+select * from t1 where a <= (select 4) and (-a + 1) < (select 1) - 1
+----
+1 3 4
 
 statement ok
 insert into t1 values (2, 3, 3), (3, 1, 4);
@@ -70,4 +70,29 @@ select * from t1 where a not in (select 1) and b = 3
 2 3 3
 
 statement ok
-drop table t1;
+drop table t1;
+
+statement ok
+create table t2(id int primary key, a int not null, b int not null);
+
+# https://github.com/KipData/FnckSQL/issues/169
+statement ok
+create table t3(id int primary key, a int not null, c int not null);
+
+statement ok
+insert into t2 values (0, 1, 2), (3, 4, 5);
+
+statement ok
+insert into t3 values (0, 2, 2), (3, 8, 5);
+
+query III
+SELECT id, a, b FROM t2 WHERE a*2 in (SELECT a FROM t3 where a/2 in (select a from t2));
+----
+0 1 2
+3 4 5
+
+statement ok
+drop table t2;
+
+statement ok
+drop table t3;