Added/Updated tests\functional\sqlancer\doi_10_1145_3428279_example_11_test.py: adapted from article provided in SQLancer documentation.

Author: pavel-zotov

tests/functional/sqlancer/doi_10_1145_3428279_example_11_test.py

@@ -0,0 +1,53 @@
+#coding:utf-8
+
+"""
+ID:          n/a
+ISSUE:       https://dl.acm.org/doi/pdf/10.1145/3428279
+TITLE:       Non-deterministic output when using MAX() function
+DESCRIPTION:
+    Manuel Rigger and Zhendong Su
+    Finding Bugs in Database Systems via Query Partitioning
+    https://dl.acm.org/doi/pdf/10.1145/3428279
+    page 14 listing 11
+NOTES:
+"""
+
+import pytest
+from firebird.qa import *
+
+db = db_factory()
+
+test_script = """
+    set list on;
+    recreate table t0 ( c0 int );
+    recreate table t1 ( c0 varchar(100) );
+    insert into t1 values (0.9201898334673894);
+    insert into t1 values (0);
+    insert into t0 values (0);
+
+    select *
+    from t0 cross join t1
+    group by t0.c0, t1.c0
+    having t1.c0 != max(t1.c0)
+    
+    UNION ALL
+    
+    select *
+    from t0 cross join t1
+    group by t0.c0, t1.c0
+    having not t1.c0 > max (t1.c0)
+    ;
+"""
+
+act = isql_act('db', test_script, substitutions=[('[ \t]+', ' ')])
+
+@pytest.mark.version('>=3.0')
+def test_1(act: Action):
+    act.expected_stdout = """
+        C0 0
+        C0 0
+        C0 0
+        C0 0.9201898334673894
+    """
+    act.execute(combine_output = True)
+    assert act.clean_stdout == act.clean_expected_stdout