Merge pull request #11974 from ClickHouse/tests-for-8692

Added tests for #8692

tests/queries/0_stateless/01345_array_join_LittleMaverick.reference

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+NEW	2
+\N	2

tests/queries/0_stateless/01345_array_join_LittleMaverick.sql

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+DROP TABLE IF EXISTS test;
+
+CREATE TABLE test
+(
+  `id` Nullable(String),
+  `status` Nullable(Enum8('NEW' = 0, 'CANCEL' = 1)),
+  `nested.nestedType` Array(Nullable(String)),
+  `partition` Date
+) ENGINE = MergeTree() PARTITION BY partition
+ORDER BY
+  partition SETTINGS index_granularity = 8192;
+
+INSERT INTO test VALUES ('1', 'NEW', array('a', 'b'), now());
+
+SELECT
+    status,
+    count() AS all
+FROM test ARRAY JOIN nested as nestedJoined
+WHERE (status IN (
+    SELECT status
+    FROM test ARRAY JOIN nested as nestedJoined
+    GROUP BY status 
+    ORDER BY count() DESC 
+    LIMIT 10)) AND (id IN ('1', '2'))
+GROUP BY CUBE(status)
+LIMIT 100;
+
+DROP TABLE test;

tests/queries/0_stateless/01346_array_join_mrxotey.reference

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+1
+1

tests/queries/0_stateless/01346_array_join_mrxotey.sql

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+DROP TABLE IF EXISTS test;
+
+CREATE TABLE test (
+    a Date,
+    b UInt32,
+    c UInt64,
+    p Nested (
+        at1 String,
+        at2 String
+    )
+) ENGINE = MergeTree()
+PARTITION BY a
+ORDER BY b
+SETTINGS index_granularity = 8192;
+
+INSERT INTO test (a, b, c, p.at1, p.at2)
+VALUES (now(), 1, 2, ['foo', 'bar'], ['baz', 'qux']);
+
+SELECT b
+FROM test
+ARRAY JOIN p
+WHERE
+    b = 1
+    AND c IN (
+        SELECT c FROM test
+    );
+
+DROP TABLE test;