Add back getMessageParametersArray

Author: allisonport-db

spark/src/main/scala/org/apache/spark/sql/delta/DeltaSharedExceptions.scala

@@ -47,6 +47,15 @@ class DeltaAnalysisException(
     messageParameters,
     context)
     with DeltaThrowable {
+  
+  /* Implemented for testing */
+  private[delta] def getMessageParametersArray: Array[String] = errorClass match {
+    case Some(eClass) =>
+      DeltaThrowableHelper
+        .getParameterNames(eClass, errorSubClass = null)
+        .map(messageParameters(_))
+    case None => Array.empty
+  }
 
   def this(
     errorClass: String,

spark/src/test/scala/org/apache/spark/sql/delta/skipping/clustering/ClusteredTableDDLSuite.scala

@@ -550,8 +550,7 @@ trait ClusteredTableDDLSuiteBase
       }
       assert(e2.getErrorClass == "DELTA_DUPLICATE_COLUMNS_FOUND")
       assert(e2.getSqlState == "42711")
-      assert(e2.getMessageParameters ===
-        Map("colType" -> "in CLUSTER BY", "duplicateCols" -> "`id`"))
+      assert(e2.getMessageParametersArray === Array("in CLUSTER BY", "`id`"))
     }
   }