added uuid tests

Author: chernser

client-v2/src/main/java/com/clickhouse/client/api/ClientConfigProperties.java

@@ -311,7 +311,9 @@ public static Map<String, Object> parseConfigMap(Map<String, String> configMap)
             }
         }
 
-        LOG.warn("Unknown and unmapped config properties: {}", tmpMap);
+        if (!tmpMap.isEmpty()) {
+            LOG.warn("Unknown and unmapped config properties: {}", tmpMap);
+        }
 
         return parsedConfig;
     }

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

@@ -294,6 +294,37 @@ public void testUnsignedIntegerTypes() throws Exception {
         }
     }
 
+
+    @Test(groups = { "integration" })
+    public void testUUIDTypes() throws Exception {
+        Random rand = new Random();
+        runQuery("CREATE TABLE test_uuids (order Int8, "
+                + "uuid Nullable(UUID) "
+                + ") ENGINE = MergeTree ORDER BY ()");
+
+        // Insert null values
+        insertData("INSERT INTO test_uuids VALUES ( 1, NULL)");
+
+        // Insert random values
+        UUID uuid = UUID.randomUUID();
+        insertData("INSERT INTO test_uuids VALUES ( 2, "
+                + "'" + uuid + "')");
+
+        try (Connection conn = getJdbcConnection();
+                Statement stmt = conn.createStatement();
+                ResultSet rs = stmt.executeQuery("SELECT uuid  FROM test_uuids ORDER BY order")) {
+
+            assertTrue(rs.next());
+            assertNull((UUID) rs.getObject("uuid"));
+
+
+            assertTrue(rs.next());
+            assertEquals((UUID) rs.getObject("uuid"), uuid);
+
+            assertFalse(rs.next());
+        }
+    }
+
     @Test(groups = { "integration" })
     public void testDecimalTypes() throws SQLException {
         runQuery("CREATE TABLE test_decimals (order Int8, "

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

@@ -868,6 +868,17 @@ void testWriteUUID() throws Exception {
                 Assert.assertTrue(rs.next());
                 Assert.assertEquals(rs.getInt(1), 1);
             }
+
+            final String selectSQL = "SELECT * FROM `test_issue_2327` WHERE " +
+                    "`" + getDatabase() + "`.`test_issue_2327`.`uuid` IN (CAST(? AS UUID))";
+            try (PreparedStatement stmt = conn.prepareStatement(selectSQL)) {
+                stmt.setString(1, uuid.toString());
+                try (ResultSet rs = stmt.executeQuery()) {
+                    Assert.assertTrue(rs.next());
+                    Assert.assertEquals(rs.getString(1), "testId01");
+                    Assert.assertEquals(rs.getString(2), uuid.toString());
+                }
+            }
         }
 
     }

jdbc-v2/src/test/java/com/clickhouse/jdbc/internal/SqlParserTest.java

@@ -212,6 +212,15 @@ public void testStmtWithFunction() {
         Assert.assertEquals(stmt.getArgCount(), 4);
     }
 
+    @Test
+    public void testStmtWithUUID() {
+        String sql = "select sum(value) from `uuid_filter_db`.`uuid_filter_table` where uuid = ?";
+        SqlParser parser = new SqlParser();
+        ParsedPreparedStatement stmt = parser.parsePreparedStatement(sql);
+        Assert.assertEquals(stmt.getArgCount(), 1);
+        Assert.assertFalse(stmt.isHasErrors());
+    }
+
     @Test(dataProvider = "testCreateStmtDP")
     public void testCreateStatement(String sql) {
         SqlParser parser = new SqlParser();
@@ -315,7 +324,8 @@ public Object[][] testMiscStmtDp() {
             {"GRANT ON CLUSTER '{cluster}' `metabase_test_role`, `metabase-test-role` TO `metabase_test_user`", 0},
             {"SELECT * FROM `test_data`.`categories` WHERE id = 1::String or id = ?", 1},
             {"SELECT * FROM `test_data`.`categories` WHERE id = cast(1 as String) or id = ?", 1},
-                {INSERT_INLINE_DATA, 0}
+            {INSERT_INLINE_DATA, 0},
+                {"select sum(value) from `uuid_filter_db`.`uuid_filter_table` WHERE `uuid_filter_db`.`uuid_filter_table`.`uuid` IN (CAST('36f7f85c-d7f4-49e2-af05-f45d5f6636ad' AS UUID))", 0},
         };
     }