[SPARK-15232][SQL] Add subquery SQL building tests to LogicalPlanToSQLSuite

sql/hive/src/test/resources/sqlgen/broadcast_join_subquery.sql

@@ -0,0 +1,8 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+SELECT /*+ MAPJOIN(srcpart) */ subq.key1, z.value
+FROM (SELECT x.key as key1, x.value as value1, y.key as key2, y.value as value2
+      FROM src1 x JOIN src y ON (x.key = y.key)) subq
+JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11)
+ORDER BY subq.key1, z.value
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key1`, `gen_attr_1` AS `value` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `gen_attr_5` AS `gen_attr_0`, `gen_attr_7` AS `gen_attr_6`, `gen_attr_9` AS `gen_attr_8`, `gen_attr_11` AS `gen_attr_10` FROM (SELECT `key` AS `gen_attr_5`, `value` AS `gen_attr_7` FROM `default`.`src1`) AS gen_subquery_0 INNER JOIN (SELECT `key` AS `gen_attr_9`, `value` AS `gen_attr_11` FROM `default`.`src`) AS gen_subquery_1 ON (`gen_attr_5` = `gen_attr_9`)) AS subq INNER JOIN (SELECT `key` AS `gen_attr_2`, `value` AS `gen_attr_1`, `ds` AS `gen_attr_3`, `hr` AS `gen_attr_4` FROM `default`.`srcpart`) AS gen_subquery_2 ON (((`gen_attr_0` = `gen_attr_2`) AND (`gen_attr_3` = "2008-04-08")) AND (CAST(`gen_attr_4` AS DOUBLE) = CAST(11 AS DOUBLE))) ORDER BY `gen_attr_0` ASC, `gen_attr_1` ASC) AS gen_subquery_3

sql/hive/src/test/resources/sqlgen/subq2.sql

@@ -0,0 +1,8 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+SELECT a.k, a.c
+FROM (SELECT b.key as k, count(1) as c
+      FROM src b
+      GROUP BY b.key) a
+WHERE a.k >= 90
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `k`, `gen_attr_1` AS `c` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `gen_attr_2` AS `gen_attr_0`, count(1) AS `gen_attr_1` FROM (SELECT `key` AS `gen_attr_2`, `value` AS `gen_attr_3` FROM `default`.`src`) AS gen_subquery_0 GROUP BY `gen_attr_2`) AS a WHERE (`gen_attr_0` >= 90)) AS a

sql/hive/src/test/resources/sqlgen/subquery_exists_1.sql

@@ -0,0 +1,8 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select *
+from src b
+where exists (select a.key
+              from src a
+              where b.value = a.value and a.key = b.key and a.value > 'val_9')
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key`, `gen_attr_1` AS `value` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_1` FROM `default`.`src`) AS gen_subquery_0 WHERE EXISTS(SELECT `gen_attr_4` AS `1` FROM (SELECT 1 AS `gen_attr_4` FROM (SELECT `gen_attr_3`, `gen_attr_2` FROM (SELECT `key` AS `gen_attr_3`, `value` AS `gen_attr_2` FROM `default`.`src`) AS gen_subquery_2 WHERE (`gen_attr_2` > "val_9")) AS gen_subquery_1 WHERE ((`gen_attr_1` = `gen_attr_2`) AND (`gen_attr_3` = `gen_attr_0`))) AS gen_subquery_3)) AS b

sql/hive/src/test/resources/sqlgen/subquery_exists_2.sql

@@ -0,0 +1,9 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select *
+from (select *
+      from src b
+      where exists (select a.key
+                    from src a
+                    where b.value = a.value and a.key = b.key and a.value > 'val_9')) a
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key`, `gen_attr_1` AS `value` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_1` FROM `default`.`src`) AS gen_subquery_0 WHERE EXISTS(SELECT `gen_attr_4` AS `1` FROM (SELECT 1 AS `gen_attr_4` FROM (SELECT `gen_attr_3`, `gen_attr_2` FROM (SELECT `key` AS `gen_attr_3`, `value` AS `gen_attr_2` FROM `default`.`src`) AS gen_subquery_2 WHERE (`gen_attr_2` > "val_9")) AS gen_subquery_1 WHERE ((`gen_attr_1` = `gen_attr_2`) AND (`gen_attr_3` = `gen_attr_0`))) AS gen_subquery_3)) AS a) AS a

sql/hive/src/test/resources/sqlgen/subquery_exists_having_1.sql

@@ -0,0 +1,9 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select b.key, count(*)
+from src b
+group by b.key
+having exists (select a.key
+               from src a
+               where a.key = b.key and a.value > 'val_9')
+--------------------------------------------------------------------------------
+SELECT `gen_attr_1` AS `key`, `gen_attr_2` AS `count(1)` FROM (SELECT `gen_attr_1`, count(1) AS `gen_attr_2` FROM (SELECT `key` AS `gen_attr_1`, `value` AS `gen_attr_3` FROM `default`.`src`) AS gen_subquery_0 GROUP BY `gen_attr_1` HAVING EXISTS(SELECT `gen_attr_4` AS `1` FROM (SELECT 1 AS `gen_attr_4` FROM (SELECT `gen_attr_0` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_5` FROM `default`.`src`) AS gen_subquery_2 WHERE (`gen_attr_5` > "val_9")) AS gen_subquery_1 WHERE (`gen_attr_0` = `gen_attr_1`)) AS gen_subquery_3)) AS b

sql/hive/src/test/resources/sqlgen/subquery_exists_having_2.sql

@@ -0,0 +1,10 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select *
+from (select b.key, count(*)
+      from src b
+      group by b.key
+      having exists (select a.key
+                     from src a
+                     where a.key = b.key and a.value > 'val_9')) a
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key`, `gen_attr_1` AS `count(1)` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `gen_attr_0`, count(1) AS `gen_attr_1` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_3` FROM `default`.`src`) AS gen_subquery_0 GROUP BY `gen_attr_0` HAVING EXISTS(SELECT `gen_attr_4` AS `1` FROM (SELECT 1 AS `gen_attr_4` FROM (SELECT `gen_attr_2` FROM (SELECT `key` AS `gen_attr_2`, `value` AS `gen_attr_5` FROM `default`.`src`) AS gen_subquery_2 WHERE (`gen_attr_5` > "val_9")) AS gen_subquery_1 WHERE (`gen_attr_2` = `gen_attr_0`)) AS gen_subquery_3)) AS a) AS a

sql/hive/src/test/resources/sqlgen/subquery_exists_having_3.sql

@@ -0,0 +1,9 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select b.key, min(b.value)
+from src b
+group by b.key
+having exists (select a.key
+               from src a
+               where a.value > 'val_9' and a.value = min(b.value))
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key`, `gen_attr_1` AS `min(value)` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `gen_attr_0`, min(`gen_attr_4`) AS `gen_attr_1`, min(`gen_attr_4`) AS `gen_attr_3` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_4` FROM `default`.`src`) AS gen_subquery_0 GROUP BY `gen_attr_0` HAVING EXISTS(SELECT `gen_attr_5` AS `1` FROM (SELECT 1 AS `gen_attr_5` FROM (SELECT `gen_attr_6`, `gen_attr_2` FROM (SELECT `key` AS `gen_attr_6`, `value` AS `gen_attr_2` FROM `default`.`src`) AS gen_subquery_3 WHERE (`gen_attr_2` > "val_9")) AS gen_subquery_2 WHERE (`gen_attr_2` = `gen_attr_3`)) AS gen_subquery_4)) AS gen_subquery_1) AS b

sql/hive/src/test/resources/sqlgen/subquery_in.sql

@@ -0,0 +1,6 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+SELECT key
+FROM src
+WHERE key in (SELECT max(key) FROM src)
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key` FROM (SELECT `gen_attr_0` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_2` FROM `default`.`src`) AS gen_subquery_0 WHERE (`gen_attr_0` IN (SELECT `gen_attr_3` AS `_c0` FROM (SELECT `gen_attr_1` AS `gen_attr_3` FROM (SELECT max(`gen_attr_4`) AS `gen_attr_1` FROM (SELECT `key` AS `gen_attr_4`, `value` AS `gen_attr_5` FROM `default`.`src`) AS gen_subquery_2) AS gen_subquery_1) AS gen_subquery_3))) AS src

sql/hive/src/test/resources/sqlgen/subquery_in_having_1.sql

@@ -0,0 +1,8 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select key, count(*)
+from src
+group by key
+having count(*) in (select count(*) from src s1 where s1.key = '90' group by s1.key)
+order by key
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key`, `gen_attr_1` AS `count(1)` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `gen_attr_0`, count(1) AS `gen_attr_1`, count(1) AS `gen_attr_2` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_4` FROM `default`.`src`) AS gen_subquery_0 GROUP BY `gen_attr_0` HAVING (`gen_attr_2` IN (SELECT `gen_attr_5` AS `_c0` FROM (SELECT `gen_attr_3` AS `gen_attr_5` FROM (SELECT count(1) AS `gen_attr_3` FROM (SELECT `key` AS `gen_attr_6`, `value` AS `gen_attr_7` FROM `default`.`src`) AS gen_subquery_3 WHERE (CAST(`gen_attr_6` AS DOUBLE) = CAST("90" AS DOUBLE)) GROUP BY `gen_attr_6`) AS gen_subquery_2) AS gen_subquery_4))) AS gen_subquery_1 ORDER BY `gen_attr_0` ASC) AS src

sql/hive/src/test/resources/sqlgen/subquery_in_having_2.sql

@@ -0,0 +1,10 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select b.key, min(b.value)
+from src b
+group by b.key
+having b.key in (select a.key
+                 from src a
+                 where a.value > 'val_9' and a.value = min(b.value))
+order by b.key
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key`, `gen_attr_1` AS `min(value)` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `gen_attr_0`, min(`gen_attr_5`) AS `gen_attr_1`, min(`gen_attr_5`) AS `gen_attr_4` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_5` FROM `default`.`src`) AS gen_subquery_0 GROUP BY `gen_attr_0` HAVING (struct(`gen_attr_0`, `gen_attr_4`) IN (SELECT `gen_attr_6` AS `_c0`, `gen_attr_7` AS `_c1` FROM (SELECT `gen_attr_2` AS `gen_attr_6`, `gen_attr_3` AS `gen_attr_7` FROM (SELECT `gen_attr_2`, `gen_attr_3` FROM (SELECT `key` AS `gen_attr_2`, `value` AS `gen_attr_3` FROM `default`.`src`) AS gen_subquery_3 WHERE (`gen_attr_3` > "val_9")) AS gen_subquery_2) AS gen_subquery_4))) AS gen_subquery_1 ORDER BY `gen_attr_0` ASC) AS b

sql/hive/src/test/resources/sqlgen/subquery_not_exists_1.sql

@@ -0,0 +1,8 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select *
+from src b
+where not exists (select a.key
+                  from src a
+                  where b.value = a.value  and a.key = b.key and a.value > 'val_2')
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key`, `gen_attr_1` AS `value` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_1` FROM `default`.`src`) AS gen_subquery_0 WHERE (NOT EXISTS(SELECT `gen_attr_4` AS `1` FROM (SELECT 1 AS `gen_attr_4` FROM (SELECT `gen_attr_3`, `gen_attr_2` FROM (SELECT `key` AS `gen_attr_3`, `value` AS `gen_attr_2` FROM `default`.`src`) AS gen_subquery_2 WHERE (`gen_attr_2` > "val_2")) AS gen_subquery_1 WHERE ((`gen_attr_1` = `gen_attr_2`) AND (`gen_attr_3` = `gen_attr_0`))) AS gen_subquery_3))) AS b

sql/hive/src/test/resources/sqlgen/subquery_not_exists_2.sql

@@ -0,0 +1,8 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select *
+from src b
+where not exists (select a.key
+                  from src a
+                  where b.value = a.value and a.value > 'val_2')
+--------------------------------------------------------------------------------
+SELECT `gen_attr_0` AS `key`, `gen_attr_1` AS `value` FROM (SELECT `gen_attr_0`, `gen_attr_1` FROM (SELECT `key` AS `gen_attr_0`, `value` AS `gen_attr_1` FROM `default`.`src`) AS gen_subquery_0 WHERE (NOT EXISTS(SELECT `gen_attr_3` AS `1` FROM (SELECT 1 AS `gen_attr_3` FROM (SELECT `gen_attr_4`, `gen_attr_2` FROM (SELECT `key` AS `gen_attr_4`, `value` AS `gen_attr_2` FROM `default`.`src`) AS gen_subquery_2 WHERE (`gen_attr_2` > "val_2")) AS gen_subquery_1 WHERE (`gen_attr_1` = `gen_attr_2`)) AS gen_subquery_3))) AS b

sql/hive/src/test/resources/sqlgen/subquery_not_exists_having_1.sql

@@ -0,0 +1,9 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select *
+from src b
+group by key, value
+having not exists (select a.key
+                   from src a
+                   where b.value = a.value  and a.key = b.key and a.value > 'val_12')
+--------------------------------------------------------------------------------
+SELECT `gen_attr_3` AS `key`, `gen_attr_0` AS `value` FROM (SELECT `gen_attr_3`, `gen_attr_0` FROM (SELECT `key` AS `gen_attr_3`, `value` AS `gen_attr_0` FROM `default`.`src`) AS gen_subquery_0 GROUP BY `gen_attr_3`, `gen_attr_0` HAVING (NOT EXISTS(SELECT `gen_attr_4` AS `1` FROM (SELECT 1 AS `gen_attr_4` FROM (SELECT `gen_attr_2`, `gen_attr_1` FROM (SELECT `key` AS `gen_attr_2`, `value` AS `gen_attr_1` FROM `default`.`src`) AS gen_subquery_2 WHERE (`gen_attr_1` > "val_12")) AS gen_subquery_1 WHERE ((`gen_attr_0` = `gen_attr_1`) AND (`gen_attr_2` = `gen_attr_3`))) AS gen_subquery_3))) AS b

sql/hive/src/test/resources/sqlgen/subquery_not_exists_having_2.sql

@@ -0,0 +1,9 @@
+-- This file is automatically generated by LogicalPlanToSQLSuite.
+select *
+from src b
+group by key, value
+having not exists (select distinct a.key
+                   from src a
+                   where b.value = a.value and a.value > 'val_12')
+--------------------------------------------------------------------------------
+SELECT `gen_attr_2` AS `key`, `gen_attr_0` AS `value` FROM (SELECT `gen_attr_2`, `gen_attr_0` FROM (SELECT `key` AS `gen_attr_2`, `value` AS `gen_attr_0` FROM `default`.`src`) AS gen_subquery_0 GROUP BY `gen_attr_2`, `gen_attr_0` HAVING (NOT EXISTS(SELECT `gen_attr_3` AS `1` FROM (SELECT 1 AS `gen_attr_3` FROM (SELECT DISTINCT `gen_attr_4`, `gen_attr_1` FROM (SELECT `key` AS `gen_attr_4`, `value` AS `gen_attr_1` FROM `default`.`src`) AS gen_subquery_2 WHERE (`gen_attr_1` > "val_12")) AS gen_subquery_1 WHERE (`gen_attr_0` = `gen_attr_1`)) AS gen_subquery_3))) AS b

sql/hive/src/test/scala/org/apache/spark/sql/catalyst/LogicalPlanToSQLSuite.scala

@@ -934,6 +934,169 @@ class LogicalPlanToSQLSuite extends SQLBuilderTest with SQLTestUtils {
     }
   }
 
+  test("broadcast join") {
+    checkSQL(
+      """
+        |SELECT /*+ MAPJOIN(srcpart) */ subq.key1, z.value
+        |FROM (SELECT x.key as key1, x.value as value1, y.key as key2, y.value as value2
+        |      FROM src1 x JOIN src y ON (x.key = y.key)) subq
+        |JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11)
+        |ORDER BY subq.key1, z.value
+      """.stripMargin,
+      "broadcast_join_subquery")
+  }
+
+  test("subquery using single table") {
+    checkSQL(
+      """
+        |SELECT a.k, a.c
+        |FROM (SELECT b.key as k, count(1) as c
+        |      FROM src b
+        |      GROUP BY b.key) a
+        |WHERE a.k >= 90
+      """.stripMargin,
+      "subq2")
+  }
+
+  test("correlated subqueries using EXISTS on where clause") {
+    checkSQL(
+      """
+        |select *
+        |from src b
+        |where exists (select a.key
+        |              from src a
+        |              where b.value = a.value and a.key = b.key and a.value > 'val_9')
+      """.stripMargin,
+      "subquery_exists_1")
+
+    checkSQL(
+      """
+        |select *
+        |from (select *
+        |      from src b
+        |      where exists (select a.key
+        |                    from src a
+        |                    where b.value = a.value and a.key = b.key and a.value > 'val_9')) a
+      """.stripMargin,
+      "subquery_exists_2")
+  }
+
+  test("correlated subqueries using EXISTS on having clause") {
+    checkSQL(
+      """
+        |select b.key, count(*)
+        |from src b
+        |group by b.key
+        |having exists (select a.key
+        |               from src a
+        |               where a.key = b.key and a.value > 'val_9')
+      """.stripMargin,
+      "subquery_exists_having_1")
+
+    checkSQL(
+      """
+        |select *
+        |from (select b.key, count(*)
+        |      from src b
+        |      group by b.key
+        |      having exists (select a.key
+        |                     from src a
+        |                     where a.key = b.key and a.value > 'val_9')) a
+      """.stripMargin,
+      "subquery_exists_having_2")
+
+    checkSQL(
+      """
+        |select b.key, min(b.value)
+        |from src b
+        |group by b.key
+        |having exists (select a.key
+        |               from src a
+        |               where a.value > 'val_9' and a.value = min(b.value))
+      """.stripMargin,
+      "subquery_exists_having_3")
+  }
+
+  test("correlated subqueries using NOT EXISTS on where clause") {
+    checkSQL(
+      """
+        |select *
+        |from src b
+        |where not exists (select a.key
+        |                  from src a
+        |                  where b.value = a.value  and a.key = b.key and a.value > 'val_2')
+      """.stripMargin,
+      "subquery_not_exists_1")
+
+    checkSQL(
+      """
+        |select *
+        |from src b
+        |where not exists (select a.key
+        |                  from src a
+        |                  where b.value = a.value and a.value > 'val_2')
+      """.stripMargin,
+      "subquery_not_exists_2")
+  }
+
+  test("correlated subqueries using NOT EXISTS on having clause") {
+    checkSQL(
+      """
+        |select *
+        |from src b
+        |group by key, value
+        |having not exists (select a.key
+        |                   from src a
+        |                   where b.value = a.value  and a.key = b.key and a.value > 'val_12')
+      """.stripMargin,
+      "subquery_not_exists_having_1")
+
+    checkSQL(
+      """
+        |select *
+        |from src b
+        |group by key, value
+        |having not exists (select distinct a.key
+        |                   from src a
+        |                   where b.value = a.value and a.value > 'val_12')
+      """.stripMargin,
+      "subquery_not_exists_having_2")
+  }
+
+  test("subquery using IN on where clause") {
+    checkSQL(
+      """
+        |SELECT key
+        |FROM src
+        |WHERE key in (SELECT max(key) FROM src)
+      """.stripMargin,
+      "subquery_in")
+  }
+
+  test("subquery using IN on having clause") {
+    checkSQL(
+      """
+        |select key, count(*)
+        |from src
+        |group by key
+        |having count(*) in (select count(*) from src s1 where s1.key = '90' group by s1.key)
+        |order by key
+      """.stripMargin,
+      "subquery_in_having_1")
+
+    checkSQL(
+      """
+        |select b.key, min(b.value)
+        |from src b
+        |group by b.key
+        |having b.key in (select a.key
+        |                 from src a
+        |                 where a.value > 'val_9' and a.value = min(b.value))
+        |order by b.key
+      """.stripMargin,
+      "subquery_in_having_2")
+  }
+
   test("SPARK-14933 - select orc table") {
     withTable("orc_t") {
       sql("create table orc_t stored as orc as select 1 as c1, 'abc' as c2")