add variant and timestamp_ntz to TYPE_INFO_RESULT (#831)

Author: shivam2680

src/main/java/com/databricks/jdbc/dbclient/impl/sqlexec/ResultConstants.java

@@ -356,6 +356,26 @@ public class ResultConstants {
               null,
               null
             },
+            {
+              "VARIANT",
+              Types.VARCHAR,
+              32767,
+              "'",
+              "'",
+              "max length",
+              typeNullable,
+              false,
+              typeSearchable,
+              null,
+              false,
+              null,
+              "VARIANT",
+              null,
+              null,
+              Types.VARCHAR,
+              null,
+              null
+            },
             {
               "BOOLEAN",
               Types.BOOLEAN,
@@ -412,7 +432,27 @@ public class ResultConstants {
               "TIMESTAMP",
               0,
               0,
-              Types.DATE,
+              Types.TIMESTAMP,
+              3,
+              null
+            },
+            {
+              "TIMESTAMP_NTZ",
+              Types.TIMESTAMP,
+              29,
+              "'",
+              "'",
+              null,
+              typeNullable,
+              false,
+              typeSearchable,
+              null,
+              false,
+              null,
+              "TIMESTAMP_NTZ",
+              0,
+              0,
+              Types.TIMESTAMP,
               3,
               null
             }