sql语句增加引号，兼容mysql关键字 (#2358)

client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/service/RdbSyncService.java

@@ -245,7 +245,7 @@ public class RdbSyncService {
         StringBuilder insertSql = new StringBuilder();
         insertSql.append("INSERT INTO ").append(SyncUtil.getDbTableName(dbMapping)).append(" (");
 
-        columnsMap.forEach((targetColumnName, srcColumnName) -> insertSql.append(targetColumnName).append(","));
+        columnsMap.forEach((targetColumnName, srcColumnName) -> insertSql.append("`").append(targetColumnName).append("`").append(","));
         int len = insertSql.length();
         insertSql.delete(len - 1, len).append(") VALUES (");
         int mapLen = columnsMap.size();
@@ -327,7 +327,7 @@ public class RdbSyncService {
             if (!targetColumnNames.isEmpty()) {
                 hasMatched = true;
                 for (String targetColumnName : targetColumnNames) {
-                    updateSql.append(targetColumnName).append("=?, ");
+                    updateSql.append("`").append(targetColumnName).append("`").append("=?, ");
                     Integer type = ctype.get(Util.cleanColumn(targetColumnName).toLowerCase());
                     if (type == null) {
                         throw new RuntimeException("Target column: " + targetColumnName + " not matched");
@@ -447,7 +447,7 @@ public class RdbSyncService {
             if (srcColumnName == null) {
                 srcColumnName = Util.cleanColumn(targetColumnName);
             }
-            sql.append(targetColumnName).append("=? AND ");
+            sql.append("`").append(targetColumnName).append("`").append("=? AND ");
             Integer type = ctype.get(Util.cleanColumn(targetColumnName).toLowerCase());
             if (type == null) {
                 throw new RuntimeException("Target column: " + targetColumnName + " not matched");