Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14383#discussion_r72520586
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/catalyst/LogicalPlanToSQLSuite.scala
---
@@ -934,6 +934,159 @@ class LogicalPlanToSQLSuite extends SQLBuilderTest
with SQLTestUtils {
}
}
+ test("mapjoin_subquery") {
+ checkSQL(
+ """
+ |SELECT 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,
+ "mapjoin_subquery")
+ }
+
+ test("subq2") {
+ 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("subquery_exists") {
+ 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("subquery_exists_having") {
+ 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("subquery_notexists") {
--- End diff --
same thing for the following few tests.
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