[hotfix-32418][metadatatidb] 解决表名带#导致查询语句失效的问题

Author: lvyanquan

flinkx-metadata-tidb/flinkx-metadata-tidb-reader/src/main/java/com/dtstack/flinkx/metadatatidb/constants/TidbMetadataCons.java

@@ -55,7 +55,7 @@ public class TidbMetadataCons extends MetaDataCons {
     /** sql语句 */
     public static final String SQL_SHOW_TABLES = "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'";
     public static final String SQL_QUERY_TABLE_INFO = "SHOW TABLE STATUS LIKE '%s'";
-    public static final String SQL_QUERY_COLUMN = "SHOW FULL COLUMNS FROM %s";
+    public static final String SQL_QUERY_COLUMN = "SHOW FULL COLUMNS FROM `%s`";
     public static final String SQL_QUERY_HEALTHY = "SHOW STATS_HEALTHY WHERE Table_name='%s' AND Db_name = schema()";
     public static final String SQL_QUERY_UPDATE_TIME = "SHOW STATS_META WHERE Table_name = '%s'";
     public static final String SQL_QUERY_PARTITION = "SELECT * FROM information_schema.partitions WHERE table_schema = schema() AND table_name='%s'";