Merge branch 'hotfix_1.8_4.0.x_32418' into 1.8_release_4.0.x

Author: gituser

flinkx-metadata-mysql/flinkx-metadata-mysql-reader/src/main/java/com/dtstack/flinkx/metadatamysql/constants/MysqlMetadataCons.java

@@ -47,5 +47,5 @@ public class MysqlMetadataCons extends TidbMetadataCons {
     public static final String RESULT_INDEX_COMMENT = "Index_comment";
 
     public static final String SQL_QUERY_TABLE_INFO = "SELECT * FROM  INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = '%s' AND TABLE_NAME = '%s'";
-    public static final String SQL_QUERY_INDEX = "SHOW INDEX FROM %s";
+    public static final String SQL_QUERY_INDEX = "SHOW INDEX FROM `%s`";
 }

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

@@ -56,7 +56,7 @@ public class TidbMetadataCons extends MetaDataCons {
     public static final String SQL_SWITCH_DATABASE = "USE `%s`";
     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'";