bug #25296 Truncate table converts NDB disk based tables to in-memory tables:...

bug #25296  Truncate table converts NDB disk based tables to in-memory tables: implemented ha_ndbcluster::update_create_info

mysql-test/r/ndb_dd_alter.result

@@ -419,6 +419,27 @@ t1	CREATE TABLE `t1` (
   PRIMARY KEY (`a1`),
   KEY `a3_i` (`a3`)
 ) /*!50100 TABLESPACE ts STORAGE DISK */ ENGINE=ndbcluster DEFAULT CHARSET=latin1
+TRUNCATE TABLE test.t1;
+SHOW CREATE TABLE test.t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a1` int(11) NOT NULL,
+  `a2` float DEFAULT NULL,
+  `a3` double DEFAULT NULL,
+  `a4` bit(1) DEFAULT NULL,
+  `a5` tinyint(4) DEFAULT NULL,
+  `a6` bigint(20) DEFAULT NULL,
+  `a7` date DEFAULT NULL,
+  `a8` time DEFAULT NULL,
+  `a9` datetime DEFAULT NULL,
+  `a10` tinytext,
+  `a11` mediumtext,
+  `a12` longtext,
+  `a13` text,
+  `a14` blob,
+  PRIMARY KEY (`a1`),
+  KEY `a3_i` (`a3`)
+) ENGINE=ndbcluster DEFAULT CHARSET=latin1
 ALTER TABLE test.t1 DROP a14;
 ALTER TABLE test.t1 DROP a13;
 ALTER TABLE test.t1 DROP a12;
@@ -438,7 +459,7 @@ t1	CREATE TABLE `t1` (
   `a4` bit(1) DEFAULT NULL,
   `a5` tinyint(4) DEFAULT NULL,
   KEY `a3_i` (`a3`)
-) /*!50100 TABLESPACE ts STORAGE DISK */ ENGINE=ndbcluster DEFAULT CHARSET=latin1
+) ENGINE=ndbcluster DEFAULT CHARSET=latin1
 DROP TABLE test.t1;
 ALTER TABLESPACE ts
 DROP DATAFILE './table_space/datafile.dat'

mysql-test/t/ndb_dd_alter.test

@@ -221,6 +221,9 @@ ALTER TABLE test.t1 DROP INDEX a2_i;
 
 SHOW CREATE TABLE test.t1;
 
+TRUNCATE TABLE test.t1;
+
+SHOW CREATE TABLE test.t1;
 
 #### Try to ALTER DD Tables and drop columns
 

sql/ha_ndbcluster.cc

@@ -8309,6 +8309,12 @@ ha_ndbcluster::setup_recattr(const NdbRecAttr* curr)
   DBUG_RETURN(0);
 }
 
+void ha_ndbcluster::update_create_info(HA_CREATE_INFO *create_info)
+{
+  if (get_tablespace_name(current_thd,0,0))
+    create_info->storage_media= HA_SM_DISK;
+}
+
 char*
 ha_ndbcluster::update_table_comment(
                                 /* out: table comment + additional */

sql/ha_ndbcluster.h

@@ -884,6 +884,7 @@ static void set_tabname(const char *pathname, char *tabname);
                                   ulonglong *nb_reserved_values);
   bool uses_blob_value();
 
+  void update_create_info(HA_CREATE_INFO *create_info);
   char *update_table_comment(const char * comment);
 
   int write_ndb_file(const char *name);