[CALCITE-5409] Implement BatchNestedLoopJoin for JDBC

Author: kramerul

core/src/main/java/org/apache/calcite/runtime/ResultSetEnumerable.java

@@ -17,7 +17,6 @@
 package org.apache.calcite.runtime;
 
 import org.apache.calcite.DataContext;
-import org.apache.calcite.avatica.SqlType;
 import org.apache.calcite.linq4j.AbstractEnumerable;
 import org.apache.calcite.linq4j.Enumerable;
 import org.apache.calcite.linq4j.Enumerator;
@@ -203,8 +202,7 @@ public static PreparedStatementEnricher createEnricher(Integer[] indexes,
   private static void setDynamicParam(PreparedStatement preparedStatement,
       int i, @Nullable Object value) throws SQLException {
     if (value == null) {
-      // TODO: use proper type instead of ANY
-      preparedStatement.setObject(i, null, SqlType.ANY.id);
+      preparedStatement.setNull(i, Types.NULL);
     } else if (value instanceof Timestamp) {
       preparedStatement.setTimestamp(i, (Timestamp) value);
     } else if (value instanceof Time) {