enhance clickhouse support (#4957)

client-adapter/launcher/pom.xml

@@ -74,6 +74,10 @@
             <artifactId>hbase-shaded-client</artifactId>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>ru.yandex.clickhouse</groupId>
+            <artifactId>clickhouse-jdbc</artifactId>
+        </dependency>
 
         <!-- outer adapter jar with dependencies-->
         <dependency>
@@ -167,6 +171,19 @@
             <classifier>jar-with-dependencies</classifier>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>com.alibaba.otter</groupId>
+            <artifactId>client-adapter.clickhouse</artifactId>
+            <version>${project.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>*</artifactId>
+                    <groupId>*</groupId>
+                </exclusion>
+            </exclusions>
+            <classifier>jar-with-dependencies</classifier>
+            <scope>provided</scope>
+        </dependency>
         <!-- connector plugin -->
         <dependency>
             <groupId>com.alibaba.otter</groupId>

client-adapter/launcher/src/main/resources/application.yml

@@ -104,3 +104,13 @@ canal.conf:
 #          jdbc.url: jdbc:phoenix:127.0.0.1:2181:/hbase/db
 #          jdbc.username:
 #          jdbc.password:
+#      - name: clickhouse
+#        key: clickhouse1
+#        properties:
+#          jdbc.driverClassName: ru.yandex.clickhouse.ClickHouseDriver
+#          jdbc.url: jdbc:clickhouse://127.0.0.1:8123/default
+#          jdbc.username: default
+#          jdbc.password: 123456
+#          batchSize: 3000
+#          scheduleTime: 600   # second unit
+#          threads: 3          # parallel threads