Fix that FLUSH TABLES FOR EXPORT also works for Aria tables.

- Added missing test case for MyISAM

mysql-test/r/myisam.result

@@ -2569,6 +2569,14 @@ OPTIMIZE TABLE t1;
 Table	Op	Msg_type	Msg_text
 test.t1	optimize	status	OK
 DROP TABLE t1;
+CREATE TABLE t1(a INT, b CHAR(10), KEY(a), KEY(b)) engine=myisam;
+INSERT INTO t1 VALUES(1,'0'),(2,'0'),(3,'0'),(4,'0'),(5,'0'),
+(6,'0'),(7,'0');
+flush tables test.t1 for export;
+insert into t1 values (8,'0');
+ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
+unlock tables;
+drop table t1;
 show variables like 'myisam_block_size';
 Variable_name	Value
 myisam_block_size	1024

mysql-test/suite/maria/maria.result

@@ -2790,3 +2790,11 @@ test.t1	check	status	OK
 SET aria_repair_threads=@@global.aria_repair_threads;
 SET aria_sort_buffer_size=@@global.aria_sort_buffer_size;
 DROP TABLE t1;
+CREATE TABLE t1(a INT, b CHAR(10), KEY(a), KEY(b));
+INSERT INTO t1 VALUES(1,'0'),(2,'0'),(3,'0'),(4,'0'),(5,'0'),
+(6,'0'),(7,'0');
+flush tables test.t1 for export;
+insert into t1 values (8,'0');
+ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
+unlock tables;
+drop table t1;

mysql-test/suite/maria/maria.test

@@ -2018,6 +2018,19 @@ SET aria_repair_threads=@@global.aria_repair_threads;
 SET aria_sort_buffer_size=@@global.aria_sort_buffer_size;
 DROP TABLE t1;
 
+#
+# Check FLUSH FOR EXPORT
+#
+
+CREATE TABLE t1(a INT, b CHAR(10), KEY(a), KEY(b));
+INSERT INTO t1 VALUES(1,'0'),(2,'0'),(3,'0'),(4,'0'),(5,'0'),
+                     (6,'0'),(7,'0');
+flush tables test.t1 for export;
+--error ER_TABLE_NOT_LOCKED_FOR_WRITE
+insert into t1 values (8,'0');
+unlock tables;
+drop table t1;
+
 #
 # End of test
 #

mysql-test/t/myisam.test

@@ -1769,6 +1769,19 @@ ALTER TABLE t1 DISABLE KEYS;
 OPTIMIZE TABLE t1;
 DROP TABLE t1;
 
+#
+# Check FLUSH FOR EXPORT
+#
+
+CREATE TABLE t1(a INT, b CHAR(10), KEY(a), KEY(b)) engine=myisam;
+INSERT INTO t1 VALUES(1,'0'),(2,'0'),(3,'0'),(4,'0'),(5,'0'),
+                     (6,'0'),(7,'0');
+flush tables test.t1 for export;
+--error ER_TABLE_NOT_LOCKED_FOR_WRITE
+insert into t1 values (8,'0');
+unlock tables;
+drop table t1;
+
 #
 # Check some variables
 #

storage/maria/ha_maria.cc

@@ -989,7 +989,7 @@ int_table_flags(HA_NULL_IN_KEY | HA_CAN_FULLTEXT | HA_CAN_SQL_HANDLER |
                 HA_DUPLICATE_POS | HA_CAN_INDEX_BLOBS | HA_AUTO_PART_KEY |
                 HA_FILE_BASED | HA_CAN_GEOMETRY | CANNOT_ROLLBACK_FLAG |
                 HA_CAN_BIT_FIELD | HA_CAN_RTREEKEYS | HA_CAN_REPAIR |
-                HA_CAN_VIRTUAL_COLUMNS |
+                HA_CAN_VIRTUAL_COLUMNS | HA_CAN_EXPORT |
                 HA_HAS_RECORDS | HA_STATS_RECORDS_IS_EXACT),
 can_enable_indexes(1), bulk_insert_single_undo(BULK_INSERT_NONE)
 {}