A change of direction for fix 10 csets ago:

- When the table is created with an attribute that is not supported by
  the storage engine, the attribute ought to be still kept.

mysql-test/r/myisam.result

@@ -2234,7 +2234,7 @@ Table	Create Table
 t1	CREATE TABLE `t1` (
   `n` int(11) NOT NULL,
   `c` char(1) DEFAULT NULL
-) ENGINE=MyISAM DEFAULT CHARSET=latin1
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 TRANSACTIONAL=1
 drop table t1;
 CREATE TABLE t1 (line LINESTRING NOT NULL) engine=myisam;
 INSERT INTO t1 VALUES (GeomFromText("POINT(0 0)"));

mysql-test/suite/maria/r/maria3.result

@@ -518,7 +518,7 @@ Table	Create Table
 t1	CREATE TABLE `t1` (
   `n` int(11) NOT NULL,
   `c` char(1) DEFAULT NULL
-) ENGINE=MARIA DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
+) ENGINE=MARIA DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1 TRANSACTIONAL=1
 drop table t1;
 create table t1 (n int not null, c char(1)) engine=myisam transactional=1;
 Warnings:
@@ -529,7 +529,7 @@ Table	Create Table
 t1	CREATE TABLE `t1` (
   `n` int(11) NOT NULL,
   `c` char(1) DEFAULT NULL
-) ENGINE=MARIA DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
+) ENGINE=MARIA DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1 TRANSACTIONAL=1
 drop table t1;
 create table t1 (a int, key(a)) transactional=0;
 insert into t1 values (0),(1),(2),(3),(4);

mysql-test/t/myisam.test

@@ -1478,7 +1478,10 @@ let $MYSQLD_DATADIR= `select @@datadir`;
 --exec $MYISAMCHK -d $MYSQLD_DATADIR/test/t1
 DROP TABLE t1;
 
+#
 # Test warnings with transactional=1 with MyISAM
+# MariaDB: Note that the table will still have 'TRANSACTIONAL=1' attribute.
+# That's the intended behavior atm.
 #
 create table t1 (n int not null, c char(1)) transactional=1;
 show create table t1;

sql/sql_table.cc

@@ -3747,19 +3747,11 @@ bool mysql_create_table_no_lock(THD *thd,
 
   /* Give warnings for not supported table options */
   if (create_info->transactional && !file->ht->commit)
-  {
     push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_ERROR,
                         ER_ILLEGAL_HA_CREATE_OPTION,
                         ER(ER_ILLEGAL_HA_CREATE_OPTION),
                         file->engine_name()->str,
                         "TRANSACTIONAL=1");
-    /* 
-      MariaDB: need to do the same for row_format and page_checksum
-      options. See  MBUG#425916
-    */
-    create_info->transactional= HA_CHOICE_UNDEF;
-    create_info->used_fields &= ~HA_CREATE_USED_TRANSACTIONAL;
-  }
 
   VOID(pthread_mutex_lock(&LOCK_open));
   if (!internal_tmp_table && !(create_info->options & HA_LEX_CREATE_TMP_TABLE))