[SPARK-2716][SQL] Don't check resolved for having filters.

For queries like `... HAVING COUNT(*) > 9` the expression is always resolved since it contains no attributes.  This was causing us to avoid doing the Having clause aggregation rewrite.

Author: Michael Armbrust <[email protected]>

Closes #1640 from marmbrus/havingNoRef and squashes the following commits:

92d3901 [Michael Armbrust] Don't check resolved for having filters.

Author: marmbrus

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala

@@ -159,7 +159,7 @@ class Analyzer(catalog: Catalog, registry: FunctionRegistry, caseSensitive: Bool
   object UnresolvedHavingClauseAttributes extends Rule[LogicalPlan] {
     def apply(plan: LogicalPlan): LogicalPlan = plan transformUp {
       case filter @ Filter(havingCondition, aggregate @ Aggregate(_, originalAggExprs, _)) 
-          if !filter.resolved && aggregate.resolved && containsAggregate(havingCondition) => {
+          if aggregate.resolved && containsAggregate(havingCondition) => {
         val evaluatedCondition = Alias(havingCondition,  "havingCondition")()
         val aggExprsWithHaving = evaluatedCondition +: originalAggExprs
 

sql/hive/src/test/resources/golden/having no references-0-d2de3ba23759d25ef77cdfbab72cbb63

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sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala

@@ -30,6 +30,9 @@ case class TestData(a: Int, b: String)
  */
 class HiveQuerySuite extends HiveComparisonTest {
 
+  createQueryTest("having no references",
+    "SELECT key FROM src GROUP BY key HAVING COUNT(*) > 1")
+
   createQueryTest("boolean = number",
     """
       |SELECT