diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala
index ea48256147857..e2b79e9145db0 100644
--- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala
+++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala
@@ -1017,9 +1017,9 @@ private[spark] class HiveExternalCatalog(conf: SparkConf, hadoopConf: Configurat
       predicates: Seq[Expression]): Seq[CatalogTablePartition] = withClient {
     val rawTable = getRawTable(db, table)
     val catalogTable = restoreTableMetadata(rawTable)
-    val partitionColumnNames = catalogTable.partitionColumnNames.toSet
+    val partitionColumnNames = catalogTable.partitionColumnNames.map(_.toLowerCase).toSet
     val nonPartitionPruningPredicates = predicates.filterNot {
-      _.references.map(_.name).toSet.subsetOf(partitionColumnNames)
+      _.references.map(_.name.toLowerCase).toSet.subsetOf(partitionColumnNames)
     }
 
     if (nonPartitionPruningPredicates.nonEmpty) {
@@ -1037,7 +1037,7 @@ private[spark] class HiveExternalCatalog(conf: SparkConf, hadoopConf: Configurat
       val boundPredicate =
         InterpretedPredicate.create(predicates.reduce(And).transform {
           case att: AttributeReference =>
-            val index = partitionSchema.indexWhere(_.name == att.name)
+            val index = partitionSchema.indexWhere(_.name.toLowerCase == att.name.toLowerCase)
             BoundReference(index, partitionSchema(index).dataType, nullable = true)
         })
       clientPrunedPartitions.filter { p => boundPredicate(p.toRow(partitionSchema)) }
diff --git a/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala b/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala
index dd278f683a3cd..4c1640cf3e448 100644
--- a/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala
+++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala
@@ -1236,6 +1236,12 @@ class HiveQuerySuite extends HiveComparisonTest with SQLTestUtils with BeforeAnd
       }
     }
   }
+
+  test("SPARK-19490 case sensitivity when filtering hive partition columns") {
+    sql("CREATE TABLE partition_test (key Int) partitioned by (date string)")
+    sql("INSERT INTO TABLE partition_test partition(date='20170101') select 1 from src limit 1")
+    sql("SELECT * FROM partition_test where DATE = '20170101'")
+  }
 }
 
 // for SPARK-2180 test