Bug #14673: Wrong InnoDB default row format

  Make partitioned tables report the row format of the underlying
  tables (when they are all the same).

mysql-test/r/partition.result

@@ -422,4 +422,9 @@ partition_name	partition_description	table_rows
 x123	11,12	1
 x234	NULL,1	1
 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		
+drop table t1;
 End of 5.1 tests

mysql-test/t/partition.test

@@ -540,4 +540,11 @@ select partition_name, partition_description, table_rows
 from information_schema.partitions where table_schema ='test';
 drop table t1;
 
+#
+# Bug #14673: Wrong InnoDB default row format
+#
+create table t1 (a int) engine=innodb partition by hash(a) ;
+show table status like 't1';
+drop table t1;
+
 --echo End of 5.1 tests

sql/ha_partition.cc

@@ -5115,6 +5115,22 @@ const char *ha_partition::index_type(uint inx)
 }
 
 
+enum row_type ha_partition::get_row_type() const
+{
+  handler **file;
+  enum row_type type= (*m_file)->get_row_type();
+
+  for (file= m_file, file++; *file; file++)
+  {
+    enum row_type part_type= (*file)->get_row_type();
+    if (part_type != type)
+      return ROW_TYPE_NOT_USED;
+  }
+
+  return type;
+}
+
+
 void ha_partition::print_error(int error, myf errflag)
 {
   DBUG_ENTER("ha_partition::print_error");

sql/ha_partition.h

@@ -527,6 +527,9 @@ class ha_partition :public handler
   virtual const char *table_type() const
   { return "PARTITION"; }
 
+  /* The name of the row type used for the underlying tables. */
+  virtual enum row_type get_row_type() const;
+
   /*
      Handler specific error messages
   */