Merge c-870ae253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/bug19140

into  c-870ae253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/bug19010

mysql-test/r/ndb_partition_key.result

@@ -234,3 +234,7 @@ t1	CREATE TABLE `t1` (
   `a` int(11) DEFAULT NULL
 ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 PARTITION BY KEY () PARTITIONS 3 
 drop table t1;
+CREATE TABLE t1 (a int)
+PARTITION BY KEY(a)
+(PARTITION p0 ENGINE = NDB);
+DROP TABLE t1;

mysql-test/r/partition.result

@@ -913,4 +913,9 @@ CREATE TABLE t1 (a int, index(a)) PARTITION BY KEY(a);
 ALTER TABLE t1 DISABLE KEYS;
 ALTER TABLE t1 ENABLE KEYS;
 DROP TABLE t1;
+create table t1 (a int) engine=memory
+partition by key(a);
+insert into t1 values (1);
+create index inx1 on t1(a);
+drop table t1;
 End of 5.1 tests

mysql-test/t/ndb_partition_key.test

@@ -216,3 +216,9 @@ alter table t1 add partition partitions 1;
 show create table t1;
 drop table t1;
 
+CREATE TABLE t1 (a int)
+PARTITION BY KEY(a)
+(PARTITION p0 ENGINE = NDB);
+DROP TABLE t1;
+
+

mysql-test/t/partition.test

@@ -9,6 +9,11 @@
 drop table if exists t1;
 --enable_warnings
 
+create table t1 (a int)
+partition by key(a)
+(partition p0 engine = MEMORY);
+drop table t1;
+
 #
 # Partition by key no partition defined => OK
 #
@@ -1009,6 +1014,15 @@ select auto_increment from information_schema.tables where table_name='t1';
 select * from t1;
 drop table t1;
 
+#
+# BUG 19140 Partitions: Create index for partitioned table crashes
+#
+create table t1 (a int) engine=memory
+partition by key(a);
+insert into t1 values (1);
+create index inx1 on t1(a);
+drop table t1;
+
 #
 # BUG 19062 Partition clause ignored if CREATE TABLE ... AS SELECT ...;
 #

sql/sql_partition.cc

@@ -4518,7 +4518,7 @@ the generated partition syntax in a correct manner.
       if (alter_info->flags & ALTER_REMOVE_PARTITIONING)
       {
         DBUG_PRINT("info", ("Remove partitioning"));
-        if (!(thd->lex->create_info.used_fields & HA_CREATE_USED_ENGINE))
+        if (!(create_info->used_fields & HA_CREATE_USED_ENGINE))
         {
           DBUG_PRINT("info", ("No explicit engine used"));
           create_info->db_type= table->part_info->default_engine_type;
@@ -4535,7 +4535,7 @@ the generated partition syntax in a correct manner.
           beneath.
         */
         thd->work_part_info= table->part_info;
-        if (thd->lex->create_info.used_fields & HA_CREATE_USED_ENGINE &&
+        if (create_info->used_fields & HA_CREATE_USED_ENGINE &&
             create_info->db_type != table->part_info->default_engine_type)
         {
           /*

sql/sql_table.cc

@@ -3139,8 +3139,8 @@ bool mysql_create_table_internal(THD *thd,
     }
     DBUG_PRINT("info", ("db_type = %d",
                          ha_legacy_type(part_info->default_engine_type)));
-    if (part_info->check_partition_info( &engine_type, file,
-                             create_info->max_rows))
+    if (part_info->check_partition_info(&engine_type, file,
+                                        create_info->max_rows))
       goto err;
     part_info->default_engine_type= engine_type;
 
@@ -3199,6 +3199,12 @@ bool mysql_create_table_internal(THD *thd,
     }
     else if (create_info->db_type != engine_type)
     {
+      /*
+        We come here when we don't use a partitioned handler.
+        Since we use a partitioned table it must be "native partitioned".
+        We have switched engine from defaults, most likely only specified
+        engines in partition clauses.
+      */
       delete file;
       if (!(file= get_new_handler((TABLE_SHARE*) 0, thd->mem_root, engine_type)))
       {