bug #15860 (SPATIAL keys in INNODB)

mysql-test/r/innodb.result:
  result added
mysql-test/t/innodb.test:
  testcase
sql/ha_myisam.cc:
  HA_CAN_RTREEKEYS added to ha_myisam
sql/handler.h:
  HA_CAN_RTREEKEYS defined
sql/share/errmsg.txt:
  error message added
sql/sql_table.cc:
  check that the handler allows SPATIAL keys

mysql-test/r/innodb.result

@@ -3241,3 +3241,5 @@ where t2.a between t1.a - interval 2 day and t1.a + interval 2 day;
 a	a
 2005-10-01	2005-10-01
 drop table t1, t2;
+create table t1 (g geometry not null, spatial gk(g)) engine=innodb;
+ERROR HY000: The used table type doesn't support SPATIAL indexes

mysql-test/t/innodb.test

@@ -2139,3 +2139,10 @@ insert into t2 values('2005-10-01');
 select * from t1, t2
   where t2.a between t1.a - interval 2 day and t1.a + interval 2 day;
 drop table t1, t2;
+
+#
+# Bug #15680 (SPATIAL key in innodb)
+#
+--error 1461
+create table t1 (g geometry not null, spatial gk(g)) engine=innodb;
+

sql/ha_myisam.cc

@@ -165,7 +165,7 @@ ha_myisam::ha_myisam(TABLE *table_arg)
   int_table_flags(HA_NULL_IN_KEY | HA_CAN_FULLTEXT | HA_CAN_SQL_HANDLER |
                   HA_DUPP_POS | HA_CAN_INDEX_BLOBS | HA_AUTO_PART_KEY |
                   HA_FILE_BASED | HA_CAN_GEOMETRY | HA_READ_RND_SAME |
-                  HA_CAN_INSERT_DELAYED | HA_CAN_BIT_FIELD),
+                  HA_CAN_INSERT_DELAYED | HA_CAN_BIT_FIELD | HA_CAN_RTREEKEYS),
   can_enable_indexes(1)
 {}
 

sql/handler.h

@@ -80,6 +80,7 @@
 */
 #define HA_CAN_INSERT_DELAYED  (1 << 14)
 #define HA_PRIMARY_KEY_IN_READ_INDEX (1 << 15)
+#define HA_CAN_RTREEKEYS       (1 << 17)
 #define HA_NOT_DELETE_WITH_CACHE (1 << 18)
 #define HA_NO_PREFIX_CHAR_KEYS (1 << 20)
 #define HA_CAN_FULLTEXT        (1 << 21)

sql/share/errmsg.txt

@@ -5611,3 +5611,5 @@ ER_TABLE_NEEDS_UPGRADE
          eng "Table upgrade required. Please do \"REPAIR TABLE `%-.32s`\" to fix it!"
 ER_SP_NO_AGGREGATE 42000
 	eng "AGGREGATE is not supported for stored functions"
+ER_TABLE_CANT_HANDLE_SPKEYS
+        eng "The used table type doesn't support SPATIAL indexes"

sql/sql_table.cc

@@ -1130,6 +1130,12 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
     /* TODO: Add proper checks if handler supports key_type and algorithm */
     if (key_info->flags & HA_SPATIAL)
     {
+      if (!(file->table_flags() & HA_CAN_RTREEKEYS))
+      {
+        my_message(ER_TABLE_CANT_HANDLE_SPKEYS, ER(ER_TABLE_CANT_HANDLE_SPKEYS),
+                   MYF(0));
+        DBUG_RETURN(-1);
+      }
       if (key_info->key_parts != 1)
       {
 	my_error(ER_WRONG_ARGUMENTS, MYF(0), "SPATIAL INDEX");