修改代码合并出现的类丢失问题

Author: xuchao

clickhouse/clickhouse-sink/src/main/java/com/dtstack/flink/sql/sink/clickhouse/ClickhouseDialect.java

@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.dtstack.flink.sql.sink.clickhouse;
+
+import com.dtstack.flink.sql.sink.rdb.dialect.JDBCDialect;
+
+import java.util.Optional;
+
+/**
+ * Date: 2020/1/15
+ * Company: www.dtstack.com
+ * @author maqi
+ */
+public class ClickhouseDialect implements JDBCDialect {
+
+    @Override
+    public boolean canHandle(String url) {
+        return url.startsWith("jdbc:clickhouse:");
+    }
+
+    @Override
+    public Optional<String> defaultDriverName() {
+        return Optional.of("ru.yandex.clickhouse.ClickHouseDriver");
+    }
+
+    @Override
+    public String getUpdateStatement(String tableName, String[] fieldNames, String[] conditionFields) {
+        throw new RuntimeException("Clickhouse does not support update sql, please remove primary key or use append mode");
+    }
+}