BUG # 17631 SHOW TABLE STATUS reports wrong engine

mysql-test/r/partition.result

@@ -642,7 +642,7 @@ drop table t1;
 create table t1 (a int) engine=innodb partition by hash(a) ;
 show table status like 't1';
 Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-t1	PARTITION	10	Compact	2	8192	16384	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL		
+t1	InnoDB	10	Compact	2	8192	16384	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
 drop table t1;
 create table t2 (s1 int not null auto_increment, primary key (s1)) partition by list (s1) (partition p1 values in (1),partition p2 values in (2),partition p3 values in (3),partition p4 values in (4));
 insert into t2 values (null),(null),(null);
@@ -819,4 +819,14 @@ explain partitions select * from t1 where a is null or a < 0 or a > 1;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	pn,p2	ALL	NULL	NULL	NULL	NULL	2	Using where
 drop table t1;
+CREATE TABLE t1 (id INT NOT NULL PRIMARY KEY, name VARCHAR(20)) 
+ENGINE=MyISAM DEFAULT CHARSET=latin1
+PARTITION BY RANGE(id)
+(PARTITION p0  VALUES LESS THAN (10) ENGINE = MyISAM,
+PARTITION p1 VALUES LESS THAN (20) ENGINE = MyISAM,
+PARTITION p2 VALUES LESS THAN (30) ENGINE = MyISAM);
+SHOW TABLE STATUS;
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	MyISAM	10	Dynamic	0	0	0	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
+DROP TABLE t1;
 End of 5.1 tests

mysql-test/t/partition.test

@@ -924,4 +924,17 @@ select * from t1 where a is null or a < 0 or a > 1;
 explain partitions select * from t1 where a is null or a < 0 or a > 1;
 drop table t1;
 
+#
+#Bug# 17631 SHOW TABLE STATUS reports wrong engine
+#
+CREATE TABLE t1 (id INT NOT NULL PRIMARY KEY, name VARCHAR(20)) 
+ENGINE=MyISAM DEFAULT CHARSET=latin1
+PARTITION BY RANGE(id)
+(PARTITION p0  VALUES LESS THAN (10) ENGINE = MyISAM,
+PARTITION p1 VALUES LESS THAN (20) ENGINE = MyISAM,
+PARTITION p2 VALUES LESS THAN (30) ENGINE = MyISAM);
+--replace_column 6 0 7 0 8 0 9 0 12 NULL 13 NULL 14 NULL
+SHOW TABLE STATUS;
+DROP TABLE t1;
+
 --echo End of 5.1 tests

sql/ha_partition.cc

@@ -257,6 +257,13 @@ void ha_partition::init_handler_variables()
 }
 
 
+const char *ha_partition::table_type() const
+{ 
+  // we can do this since we only support a single engine type
+  return m_file[0]->table_type(); 
+}
+
+
 /*
   Destructor method
 

sql/ha_partition.h

@@ -524,8 +524,7 @@ class ha_partition :public handler
   virtual const char *index_type(uint inx);
 
   /* The name of the table type that will be used for display purposes */
-  virtual const char *table_type() const
-  { return "PARTITION"; }
+  virtual const char *table_type() const;
 
   /* The name of the row type used for the underlying tables. */
   virtual enum row_type get_row_type() const;

sql/sql_show.cc

@@ -2719,6 +2719,12 @@ static int get_schema_tables_record(THD *thd, struct st_table_list *tables,
       ptr=strxmov(ptr, " row_format=", 
                   ha_row_type[(uint) share->row_type],
                   NullS);
+#ifdef WITH_PARTITION_STORAGE_ENGINE
+    if (share->db_type == &partition_hton &&
+        share->partition_info != NULL && 
+        ((partition_info*)share->partition_info)->no_parts > 0)
+      ptr= strmov(ptr, " partitioned");
+#endif
     table->field[19]->store(option_buff+1,
                             (ptr == option_buff ? 0 : 
                              (uint) (ptr-option_buff)-1), cs);