BUG#18198: More fixes

mysql-test/r/partition.result:
  Removed test case no longer supported
mysql-test/r/partition_error.result:
  Changed behaviour of test case
mysql-test/r/partition_pruning.result:
  Changed behaviour of test case
mysql-test/t/partition.test:
  Changed behaviour of test case
mysql-test/t/partition_error.test:
  Changed behaviour of test case
mysql-test/t/partition_pruning.test:
  Changed behaviour of test case
sql/sql_partition.cc:
  Ensured PARTITION BY KEY can use any column type

mysql-test/r/partition.result

@@ -750,11 +750,6 @@ t2	CREATE TABLE `t2` (
   PRIMARY KEY (`a`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='no comment' /*!50100 PARTITION BY KEY (a)  */
 drop table t2;
-create table t1 (s1 char(2) character set utf8)
-partition by list (cast(s1 as signed))
-(partition p1 values in (1),
-partition p2 values in (2));
-drop table t1;
 create table t1 (f1 int) partition by hash (f1) as select 1;
 drop table t1;
 prepare stmt1 from 'create table t1 (s1 int) partition by hash (s1)';

mysql-test/r/partition_error.result

@@ -641,7 +641,7 @@ ERROR HY000: Partition constant is out of partition function domain
 create table t1 (v varchar(12))
 partition by range (ascii(v))
 (partition p0 values less than (10));
-drop table t1;
+ERROR HY000: This partition function is not allowed
 create table t1 (a int)
 partition by hash (rand(a));
 ERROR 42000: Constant/Random expression in (sub)partitioning function is not allowed near ')' at line 2

mysql-test/r/partition_pruning.result

@@ -284,13 +284,6 @@ explain partitions select * from t9 where a <= '2004-12-19';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t9	p0,p1	ALL	NULL	NULL	NULL	NULL	2	Using where
 drop table t5,t6,t7,t8,t9;
-create table t1 (a enum('a','b','c','d') default 'a') 
-partition by hash (ascii(a)) partitions 2;
-insert into t1 values ('a'),('b'),('c');
-explain partitions select * from t1 where a='b';
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p0,p1	ALL	NULL	NULL	NULL	NULL	3	Using where
-drop table t1;
 create table t1 (
 a1 int not null
 )
@@ -643,8 +636,9 @@ f_int1	f_int2
 8	8
 9	9
 drop table t1;
-create table t1 (a char(10)) partition by list(length(a)) (
-partition p1 values in (1),
+create table t1 (a char(10) binary)
+partition by list(length(a))
+(partition p1 values in (1),
 partition p2 values in (2),
 partition p3 values in (3),
 partition p4 values in (4),

mysql-test/t/partition.test

@@ -883,11 +883,13 @@ drop table t2;
 #
 # Bug#14367: Partitions: crash if utf8 column
 #
-create table t1 (s1 char(2) character set utf8)
-partition by list (cast(s1 as signed))
-(partition p1 values in (1),
- partition p2 values in (2));
-drop table t1;
+# utf columns not supported after Bug #18198 is fixed
+#
+#create table t1 (s1 char(2) character set utf8)
+#partition by list (cast(s1 as signed))
+#(partition p1 values in (1),
+# partition p2 values in (2));
+#drop table t1;
 
 #
 # Bug#15336 Partitions: crash if create table as select

mysql-test/t/partition_error.test

@@ -809,10 +809,10 @@ partition by range (a)
 #
 # Bug 18198 Partitions: Verify that erroneus partition functions doesn't work
 #
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
 create table t1 (v varchar(12))
 partition by range (ascii(v))
 (partition p0 values less than (10));
-drop table t1;
 
 -- error 1064
 create table t1 (a int)

mysql-test/t/partition_pruning.test

@@ -238,11 +238,14 @@ explain partitions select * from t9 where a <= '2004-12-19';
 drop table t5,t6,t7,t8,t9;
 
 # Test the case where we can't create partitioning 'index'
-create table t1 (a enum('a','b','c','d') default 'a') 
-  partition by hash (ascii(a)) partitions 2;
-insert into t1 values ('a'),('b'),('c');
-explain partitions select * from t1 where a='b';
-drop table t1;
+#
+# Not supported after bug#18198 is fixed
+#
+#create table t1 (a enum('a','b','c','d') default 'a') 
+#  partition by hash (ascii(a)) partitions 2;
+#insert into t1 values ('a'),('b'),('c');
+#explain partitions select * from t1 where a='b';
+#drop table t1;
 
 #
 # Test cases for bugs found in code review:
@@ -519,8 +522,9 @@ select * from t1 where f_int1 between 5 and 15 order by f_int1;
 drop table t1;
 
 #  part2: bug in pruning code
-create table t1 (a char(10)) partition by list(length(a)) (
-  partition p1 values in (1),
+create table t1 (a char(10) binary)
+partition by list(length(a))
+ (partition p1 values in (1),
   partition p2 values in (2),
   partition p3 values in (3),
   partition p4 values in (4),

sql/sql_partition.cc

@@ -1553,8 +1553,11 @@ bool fix_partition_func(THD *thd, TABLE *table,
       goto end;
     }
   }
-  if ((check_part_func_fields(part_info->part_field_array)) ||
-      (part_info->is_sub_partitioned() &&
+  if (((part_info->part_type != HASH_PARTITION ||
+      part_info->list_of_part_fields == FALSE) &&
+      check_part_func_fields(part_info->part_field_array)) ||
+      (part_info->list_of_part_fields == FALSE &&
+       part_info->is_sub_partitioned() &&
        check_part_func_fields(part_info->subpart_field_array)))
   {
     my_error(ER_PARTITION_FUNCTION_IS_NOT_ALLOWED, MYF(0));