Tweak so we don't always call getColumn

Author: Paultagoras

jdbc-v2/src/main/java/com/clickhouse/jdbc/ResultSetImpl.java

@@ -1520,7 +1520,7 @@ public <T> T getObject(int columnIndex, Class<T> type) throws SQLException {
                     return reader.readValue(columnIndex);
                 }
 
-                return (T) JdbcUtils.convert(reader.readValue(columnIndex), type, getSchema().getColumnByIndex(columnIndex));
+                return (T) JdbcUtils.convert(reader.readValue(columnIndex), type, type == java.sql.Array.class ? getSchema().getColumnByIndex(columnIndex) : null);
             } else {
                 wasNull = true;
                 return null;
@@ -1542,7 +1542,7 @@ public <T> T getObject(String columnLabel, Class<T> type) throws SQLException {
                     return reader.readValue(columnLabel);
                 }
 
-                return (T) JdbcUtils.convert(reader.readValue(columnLabel), type, getSchema().getColumnByName(columnLabel));
+                return (T) JdbcUtils.convert(reader.readValue(columnLabel), type, type == java.sql.Array.class ? getSchema().getColumnByName(columnLabel) : null);
             } else {
                 wasNull = true;
                 return null;

jdbc-v2/src/test/java/com/clickhouse/jdbc/DataTypeTests.java

@@ -778,7 +778,7 @@ public void testArrayTypes() throws SQLException {
                     Object[] arraydateResult = (Object[]) ((Array) rs.getObject("arraydate")).getArray();
                     assertEquals(arraydateResult.length, arraydate.length);
                     for (int i = 0; i < arraydate.length; i++) {
-                        assertEquals(String.valueOf(arraydateResult[i]), String.valueOf(arraydate[i]));
+                        assertEquals(arraydateResult[i], arraydate[i]);
                     }
                     assertFalse(rs.next());
                 }