Merge

mysql-test/r/ctype_utf8.result:
  Auto merged
mysql-test/r/show_check.result:
  Auto merged
mysql-test/t/show_check.test:
  Auto merged
sql/sql_show.cc:
  Merge with s/TYPE/USING/ fixes

mysql-test/r/ctype_utf8.result

@@ -412,7 +412,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `c` char(10) character set utf8 default NULL,
-  UNIQUE KEY `a` (`c`(1))
+  UNIQUE KEY `a` TYPE HASH (`c`(1))
 ) ENGINE=HEAP DEFAULT CHARSET=latin1
 insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
 insert into t1 values ('aa');
@@ -570,7 +570,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `c` char(10) character set utf8 collate utf8_bin default NULL,
-  UNIQUE KEY `a` (`c`(1))
+  UNIQUE KEY `a` TYPE HASH (`c`(1))
 ) ENGINE=HEAP DEFAULT CHARSET=latin1
 insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
 insert into t1 values ('aa');

mysql-test/r/show_check.result

@@ -406,3 +406,73 @@ where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
 delete from mysql.db   
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
 flush privileges;
+CREATE TABLE t1 (i int, KEY (i)) ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` (`i`)
+) ENGINE=HEAP DEFAULT CHARSET=latin1
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY USING HASH (i)) ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` TYPE HASH (`i`)
+) ENGINE=HEAP DEFAULT CHARSET=latin1
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` TYPE BTREE (`i`)
+) ENGINE=HEAP DEFAULT CHARSET=latin1
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY (i)) ENGINE=MyISAM;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` (`i`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MyISAM;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` TYPE BTREE (`i`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY (i)) ENGINE=MyISAM;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` (`i`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ALTER TABLE t1 ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` (`i`)
+) ENGINE=HEAP DEFAULT CHARSET=latin1
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MyISAM;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` TYPE BTREE (`i`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ALTER TABLE t1 ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) default NULL,
+  KEY `i` TYPE BTREE (`i`)
+) ENGINE=HEAP DEFAULT CHARSET=latin1
+DROP TABLE t1;

mysql-test/t/show_check.test

@@ -329,3 +329,35 @@ flush privileges;
 #--replace_column 7 # 8 # 9 #
 #show table status from `` LIKE '';
 #drop database ``;
+
+# Test that USING <keytype> is always shown in SHOW CREATE TABLE when it was
+# specified during table creation, but not otherwise. (Bug #7235)
+CREATE TABLE t1 (i int, KEY (i)) ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY USING HASH (i)) ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY (i)) ENGINE=MyISAM;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MyISAM;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+# Test that when an index is created with the default key algorithm and
+# altered to another storage engine, it gets the default key algorithm
+# for that storage engine, but when it is specified, the specified type is
+# preserved.
+CREATE TABLE t1 (i int, KEY (i)) ENGINE=MyISAM;
+SHOW CREATE TABLE t1;
+ALTER TABLE t1 ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MyISAM;
+SHOW CREATE TABLE t1;
+ALTER TABLE t1 ENGINE=MEMORY;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;

sql/sql_show.cc

@@ -887,14 +887,18 @@ store_create_info(THD *thd, TABLE_LIST *table_list, String *packet)
     if (!(thd->variables.sql_mode & MODE_NO_KEY_OPTIONS) &&
 	!limited_mysql_mode && !foreign_db_mode)
     {
-      if (share->db_type == DB_TYPE_HEAP &&
-	  key_info->algorithm == HA_KEY_ALG_BTREE)
+      if (key_info->algorithm == HA_KEY_ALG_BTREE)
         packet->append(" USING BTREE", 12);
 
+      if (key_info->algorithm == HA_KEY_ALG_HASH)
+        packet->append(" USING HASH", 11);
+
       // +BAR: send USING only in non-default case: non-spatial rtree
       if ((key_info->algorithm == HA_KEY_ALG_RTREE) &&
 	  !(key_info->flags & HA_SPATIAL))
         packet->append(" USING RTREE", 12);
+
+      // No need to send USING FULLTEXT, it is sent as FULLTEXT KEY
     }
     packet->append(" (", 2);