Fix Configuration property name '-id' is not valid on canal 1.1.7 alpha 3 #4879 (#4887)

* Fix Configuration property name '-id' is not valid

* Fix Configuration property name '-id' is not valid
读取原配置文件

client-adapter/common/src/test/java/com/alibaba/otter/canal/client/adapter/support/YamlUtilsTest.java

@@ -1,14 +1,17 @@
 package com.alibaba.otter.canal.client.adapter.support;
 
+import org.junit.Assert;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Value;
+
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Properties;
 
-import org.junit.Assert;
-import org.junit.Test;
-
 public class YamlUtilsTest {
 
+
+
     @Test
     public void testLoadConfigToYml() {
         String configStr="dataSourceKey: defaultDS\n"
@@ -17,6 +20,7 @@ public class YamlUtilsTest {
             + "outerAdapterKey: mysql1\n"
             + "concurrent: true\n"
             + "dbMapping:\n"
+            + "  _id: _id\n"
             + "  database: mytest\n"
             + "  table: user\n"
             + "  targetTable: mytest2.user\n"
@@ -35,6 +39,7 @@ public class YamlUtilsTest {
         MappingConfig config = YamlUtils.ymlToObj(null, configStr, MappingConfig.class, null, new Properties());
 
         Assert.assertNotNull(config);
+        Assert.assertEquals(config.getDbMapping().getId(), "_id");
         Assert.assertEquals(config.getDestination(), "example");
         Assert.assertEquals(config.getOuterAdapterKey(), "mysql1");
         Assert.assertEquals(config.getDbMapping().getDatabase(), "mytest");
@@ -104,6 +109,9 @@ public class YamlUtilsTest {
     }
 
     private static class DbMapping {
+
+        @Value("${_id}")
+        private String id ;
         private boolean             mirrorDb        = false;                 // 是否镜像库
         private String              database;                                // 数据库名或schema名
         private String              table;                                   // 表名
@@ -225,5 +233,13 @@ public class YamlUtilsTest {
         public void setAllMapColumns(Map<String, String> allMapColumns) {
             this.allMapColumns = allMapColumns;
         }
+
+        public String getId() {
+            return id;
+        }
+
+        public void setId(String id) {
+            this.id = id;
+        }
     }
 }