A clean-up patch for MDEV-23408: fixing test failure on Windows

Schema and table names in a veiw FRM files are:
- in upper case on Linux
- in lower case on Windows

Using the LOWER() function when displaying an FRM file fragment,
to avoid the OS-specific difference.

mysql-test/r/ctype_utf16le.result

@@ -3004,13 +3004,13 @@ SET STORAGE_ENGINE=Default;
 #
 SET NAMES utf8;
 SET SESSION character_set_connection= utf16le;
-CREATE TABLE kv (v BLOB);
+CREATE TABLE kv (v TEXT CHARACTER SET latin1);
 CREATE TABLE t (a INT);
 CREATE VIEW v AS SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1';
-LOAD DATA INFILE 'MYSQLD_DATADIR/test/v.frm' REPLACE INTO TABLE kv;
-SELECT * FROM kv WHERE v LIKE _binary'query=%';
-v
-query=select `information_schema`.`TABLES`.`TABLE_CATALOG` AS `TABLE_CATALOG`,`information_schema`.`TABLES`.`TABLE_SCHEMA` AS `TABLE_SCHEMA`,`information_schema`.`TABLES`.`TABLE_NAME` AS `TABLE_NAME`,`information_schema`.`TABLES`.`TABLE_TYPE` AS `TABLE_TYPE`,`information_schema`.`TABLES`.`ENGINE` AS `ENGINE`,`information_schema`.`TABLES`.`VERSION` AS `VERSION`,`information_schema`.`TABLES`.`ROW_FORMAT` AS `ROW_FORMAT`,`information_schema`.`TABLES`.`TABLE_ROWS` AS `TABLE_ROWS`,`information_schema`.`TABLES`.`AVG_ROW_LENGTH` AS `AVG_ROW_LENGTH`,`information_schema`.`TABLES`.`DATA_LENGTH` AS `DATA_LENGTH`,`information_schema`.`TABLES`.`MAX_DATA_LENGTH` AS `MAX_DATA_LENGTH`,`information_schema`.`TABLES`.`INDEX_LENGTH` AS `INDEX_LENGTH`,`information_schema`.`TABLES`.`DATA_FREE` AS `DATA_FREE`,`information_schema`.`TABLES`.`AUTO_INCREMENT` AS `AUTO_INCREMENT`,`information_schema`.`TABLES`.`CREATE_TIME` AS `CREATE_TIME`,`information_schema`.`TABLES`.`UPDATE_TIME` AS `UPDATE_TIME`,`information_schema`.`TABLES`.`CHECK_TIME` AS `CHECK_TIME`,`information_schema`.`TABLES`.`TABLE_COLLATION` AS `TABLE_COLLATION`,`information_schema`.`TABLES`.`CHECKSUM` AS `CHECKSUM`,`information_schema`.`TABLES`.`CREATE_OPTIONS` AS `CREATE_OPTIONS`,`information_schema`.`TABLES`.`TABLE_COMMENT` AS `TABLE_COMMENT` from `INFORMATION_SCHEMA`.`TABLES` where `information_schema`.`TABLES`.`TABLE_NAME` = 't1'
+LOAD DATA INFILE 'MYSQLD_DATADIR/test/v.frm' REPLACE INTO TABLE kv CHARACTER SET latin1;
+SELECT LOWER(v) FROM kv WHERE v LIKE _binary'query=%';
+LOWER(v)
+query=select `information_schema`.`tables`.`table_catalog` as `table_catalog`,`information_schema`.`tables`.`table_schema` as `table_schema`,`information_schema`.`tables`.`table_name` as `table_name`,`information_schema`.`tables`.`table_type` as `table_type`,`information_schema`.`tables`.`engine` as `engine`,`information_schema`.`tables`.`version` as `version`,`information_schema`.`tables`.`row_format` as `row_format`,`information_schema`.`tables`.`table_rows` as `table_rows`,`information_schema`.`tables`.`avg_row_length` as `avg_row_length`,`information_schema`.`tables`.`data_length` as `data_length`,`information_schema`.`tables`.`max_data_length` as `max_data_length`,`information_schema`.`tables`.`index_length` as `index_length`,`information_schema`.`tables`.`data_free` as `data_free`,`information_schema`.`tables`.`auto_increment` as `auto_increment`,`information_schema`.`tables`.`create_time` as `create_time`,`information_schema`.`tables`.`update_time` as `update_time`,`information_schema`.`tables`.`check_time` as `check_time`,`information_schema`.`tables`.`table_collation` as `table_collation`,`information_schema`.`tables`.`checksum` as `checksum`,`information_schema`.`tables`.`create_options` as `create_options`,`information_schema`.`tables`.`table_comment` as `table_comment` from `information_schema`.`tables` where `information_schema`.`tables`.`table_name` = 't1'
 TRUNCATE TABLE kv;
 SELECT * FROM v;
 TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	TABLE_TYPE	ENGINE	VERSION	ROW_FORMAT	TABLE_ROWS	AVG_ROW_LENGTH	DATA_LENGTH	MAX_DATA_LENGTH	INDEX_LENGTH	DATA_FREE	AUTO_INCREMENT	CREATE_TIME	UPDATE_TIME	CHECK_TIME	TABLE_COLLATION	CHECKSUM	CREATE_OPTIONS	TABLE_COMMENT

mysql-test/t/ctype_utf16le.test

@@ -820,12 +820,12 @@ let $coll_pad='utf16le_bin';
 SET NAMES utf8;
 SET SESSION character_set_connection= utf16le;
 
-CREATE TABLE kv (v BLOB);
+CREATE TABLE kv (v TEXT CHARACTER SET latin1);
 CREATE TABLE t (a INT);
 CREATE VIEW v AS SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1';
 --replace_result $MYSQLD_DATADIR MYSQLD_DATADIR
-eval LOAD DATA INFILE '$MYSQLD_DATADIR/test/v.frm' REPLACE INTO TABLE kv;
-SELECT * FROM kv WHERE v LIKE _binary'query=%';
+eval LOAD DATA INFILE '$MYSQLD_DATADIR/test/v.frm' REPLACE INTO TABLE kv CHARACTER SET latin1;
+SELECT LOWER(v) FROM kv WHERE v LIKE _binary'query=%';
 TRUNCATE TABLE kv;
 SELECT * FROM v;
 LOCK TABLE t WRITE;