Merge dator6.(none):/home/mikael/mysql_clones/mysql-5.1-opt

into  dator6.(none):/home/mikael/mysql_clones/bug18198


mysql-test/t/partition_hash.test:
  Auto merged
sql/item.h:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/sql_partition.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged

16 files changed, 579 insertions, 228 deletions

diff --git a/mysql-test/r/partition_bug18198.result b/mysql-test/r/partition_bug18198.result
new file mode 100644
index 00000000000..18d7d904bb0
--- /dev/null
+++ b/mysql-test/r/partition_bug18198.result
@@ -0,0 +1,173 @@
+drop table if exists t1;
+create table t1 (col1 datetime)
+partition by range(datediff(col1,col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+drop table t1;
+create table t1 (col1 int)
+partition by range(greatest(col1,10))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(isnull(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(least(col1,12))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(case when col1>0 then 10 else 20 end)
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(ifnull(col1,5))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(nullif(col1,5))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(bit_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(bit_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(char_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(char_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(character_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(find_in_set(col1,1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(find_in_set(col1,'1'))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(instr(col1,3))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(instr(col1,'3'))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(locate(1,col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(locate(1,col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(octet_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(position(1 in col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(position(1 in col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 char(5))
+partition by range(strcmp(col1,2))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(strcmp(col1,2))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(crc32(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(round(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(sign(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 datetime)
+partition by range(period_add(col1,5))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 datetime, col2 datetime)
+partition by range(period_diff(col1,col2))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int, col2 int)
+partition by range(period_diff(col1,col2))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 datetime)
+partition by range(timestampdiff(day,5,col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 date)
+partition by range(unix_timestamp(col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 datetime)
+partition by range(week(col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 varchar(25))
+partition by range(cast(col1 as signed))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 varchar(25))
+partition by range(convert(col1,unsigned))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(col1 | 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(col1 & 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(col1 ^ 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(col1 << 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(col1 >> 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(~col1)
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(bit_count(col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
+create table t1 (col1 int)
+partition by range(inet_aton(col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+ERROR HY000: This partition function is not allowed
diff --git a/mysql-test/r/partition_charset.result b/mysql-test/r/partition_charset.result
index 665e5d55f8f..f8f75e8bee7 100644
--- a/mysql-test/r/partition_charset.result
+++ b/mysql-test/r/partition_charset.result
@@ -16,3 +16,7 @@ s1
 1
 3
 drop table t1;
+create table t1 (a varchar(1), primary key (a))
+partition by list (ascii(a))
+(partition p1 values in (65));
+ERROR HY000: This partition function is not allowed
diff --git a/mysql-test/r/partition_error.result b/mysql-test/r/partition_error.result
index 4b01b759902..7952c8df609 100644
--- a/mysql-test/r/partition_error.result
+++ b/mysql-test/r/partition_error.result
@@ -25,7 +25,7 @@ partitions 3
 (partition x1 values in (1,2,9,4) tablespace ts1,
 partition x2 values in (3, 11, 5, 7) tablespace ts2,
 partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3);
-ERROR HY000: The PARTITION function returns the wrong type
+ERROR HY000: This partition function is not allowed
 CREATE TABLE t1 (
 a int not null,
 b int not null,
@@ -89,7 +89,7 @@ partitions 3
 (partition x1 tablespace ts1,
 partition x2 tablespace ts2,
 partition x3 tablespace ts3);
-ERROR HY000: The PARTITION function returns the wrong type
+ERROR HY000: This partition function is not allowed
 CREATE TABLE t1 (
 a int not null,
 b int not null,
@@ -422,7 +422,7 @@ partition by range (sin(a))
 partitions 2
 (partition x1 values less than (4),
 partition x2 values less than (5));
-ERROR HY000: The PARTITION function returns the wrong type
+ERROR HY000: This partition function is not allowed
 CREATE TABLE t1 (
 a int not null,
 b int not null,
@@ -600,7 +600,7 @@ 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
@@ -619,4 +619,4 @@ partition by range (a + (select count(*) from t1))
 ERROR HY000: This partition function is not allowed
 create table t1 (a char(10))
 partition by hash (extractvalue(a,'a'));
-ERROR HY000: The PARTITION function returns the wrong type
+ERROR HY000: This partition function is not allowed
diff --git a/mysql-test/r/partition_hash.result b/mysql-test/r/partition_hash.result
index 7ef3ee5c6c8..9a82a36d902 100644
--- a/mysql-test/r/partition_hash.result
+++ b/mysql-test/r/partition_hash.result
@@ -1,18 +1,4 @@
 drop table if exists t1;
-create table t1 (a varchar(10) charset latin1 collate latin1_bin)
-partition by hash(length(a))
-partitions 10;
-insert into t1 values (''),(' '),('a'),('a '),('a  ');
-explain partitions select * from t1 where a='a ';
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	5	Using where
-explain partitions select * from t1 where a='a';
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	5	Using where
-explain partitions select * from t1 where a='a ' OR a='a';
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	5	Using where
-drop table t1;
 create table t1 (a int unsigned)
 partition by hash(a div 2)
 partitions 4;
diff --git a/mysql-test/r/partition_list.result b/mysql-test/r/partition_list.result
index e64a7a8d154..a68a67c6386 100644
--- a/mysql-test/r/partition_list.result
+++ b/mysql-test/r/partition_list.result
@@ -295,3 +295,7 @@ select * from t1;
 a
 100
 drop table t1;
+create table t1 (a char(1))
+partition by list (ascii(ucase(a)))
+(partition p1 values in (2));
+ERROR HY000: This partition function is not allowed
diff --git a/mysql-test/r/partition_mgm.result b/mysql-test/r/partition_mgm.result
index 9b5a34bda50..04ac603fea7 100644
--- a/mysql-test/r/partition_mgm.result
+++ b/mysql-test/r/partition_mgm.result
@@ -10,13 +10,13 @@ subpartition sp01, subpartition sp02));
 ERROR HY000: Wrong number of subpartitions defined, mismatch with previous setting
 drop table t1;
 CREATE TABLE t1 (f_date DATE, f_varchar VARCHAR(30))
-PARTITION BY HASH(CAST(YEAR(f_date) AS SIGNED INTEGER)) PARTITIONS 2;
+PARTITION BY HASH(YEAR(f_date)) PARTITIONS 2;
 SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `f_date` date DEFAULT NULL,
   `f_varchar` varchar(30) DEFAULT NULL
-) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY HASH (CAST(YEAR(f_date) AS SIGNED INTEGER)) PARTITIONS 2  */
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY HASH (YEAR(f_date)) PARTITIONS 2  */
 hello/master-data/test/t1#P#p0.MYD
 hello/master-data/test/t1#P#p0.MYI
 hello/master-data/test/t1#P#p1.MYD
@@ -29,7 +29,7 @@ Table	Create Table
 t1	CREATE TABLE `t1` (
   `f_date` date DEFAULT NULL,
   `f_varchar` varchar(30) DEFAULT NULL
-) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY HASH (CAST(YEAR(f_date) AS SIGNED INTEGER)) PARTITIONS 1  */
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY HASH (YEAR(f_date)) PARTITIONS 1  */
 hello/master-data/test/t1#P#p0.MYD
 hello/master-data/test/t1#P#p0.MYI
 hello/master-data/test/t1.frm
diff --git a/mysql-test/r/partition_pruning.result b/mysql-test/r/partition_pruning.result
index 5fc0058356d..9595676016c 100644
--- a/mysql-test/r/partition_pruning.result
+++ b/mysql-test/r/partition_pruning.result
@@ -676,25 +676,6 @@ f_int1	f_int2
 8	8
 9	9
 drop table t1;
-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),
-partition p5 values in (5)
-);
-insert into t1 values ('a'),('bb'),('ccc'),('dddd'),('eeEee');
-select * from t1 where a>='a' and a <= 'dddd';
-a
-a
-bb
-ccc
-dddd
-explain partitions select * from t1 where a>='a' and a <= 'dddd';
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p1,p2,p3,p4,p5	ALL	NULL	NULL	NULL	NULL	5	Using where
-drop table t1;
 create table t1 (f_int1 integer) partition by list(abs(mod(f_int1,2)))
 subpartition by hash(f_int1) subpartitions 2
 (
@@ -847,23 +828,58 @@ explain partitions select * from t1 where a = 18446744073709551614;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 drop table t1;
-create table t1 (a int) 
-partition by range((a & 0xFF) << 56) (
-partition p0 values less than (0x40 << 56),
-partition p1 values less than (0x80 << 56),
-partition p2 values less than (0xFF << 56)
+create table t1 (a int)
+partition by range(a) (
+partition p0 values less than (64),
+partition p1 values less than (128),
+partition p2 values less than (255)
+);
+create table t2 (a int)
+partition by range(a+0) (
+partition p0 values less than (64),
+partition p1 values less than (128),
+partition p2 values less than (255)
 );
 insert into t1 values (0x20), (0x20), (0x41), (0x41), (0xFE), (0xFE);
+insert into t2 values (0x20), (0x20), (0x41), (0x41), (0xFE), (0xFE);
 explain partitions select * from t1 where a=0;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t2 where a=0;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	p0	ALL	NULL	NULL	NULL	NULL	2	Using where
 explain partitions select * from t1 where a=0xFE;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	p2	ALL	NULL	NULL	NULL	NULL	2	Using where
-explain partitions select * from t1 where a>0xFE and a<= 0xFF;
+explain partitions select * from t2 where a=0xFE;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	p2	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t1 where a > 0xFE AND a <= 0xFF;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t2 where a > 0xFE AND a <= 0xFF;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t1 where a >= 0xFE AND a <= 0xFF;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p2	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t2 where a >= 0xFE AND a <= 0xFF;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	p2	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t1 where a < 64 AND a >= 63;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t2 where a < 64 AND a >= 63;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	p0	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t1 where a <= 64 AND a >= 63;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p1	ALL	NULL	NULL	NULL	NULL	4	Using where
+explain partitions select * from t2 where a <= 64 AND a >= 63;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	p0,p1	ALL	NULL	NULL	NULL	NULL	4	Using where
 drop table t1;
+drop table t2;
 create table t1(a bigint unsigned not null) partition by range(a+0) (
 partition p1 values less than (10),
 partition p2 values less than (20),
diff --git a/mysql-test/r/partition_range.result b/mysql-test/r/partition_range.result
index d39b39f413a..a61006e87a4 100644
--- a/mysql-test/r/partition_range.result
+++ b/mysql-test/r/partition_range.result
@@ -1,38 +1,4 @@
 drop table if exists t1;
-create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
-partition by range (length(a) * b)
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 2),('a',3);
-drop table t1;
-create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
-partition by range (b* length(a) * b)
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 2),('a',3);
-drop table t1;
-create table t1 (a varchar(10) charset latin1 collate latin1_bin,
-b varchar(10) charset latin1 collate latin1_bin)
-partition by range (length(b) * length(a))
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 'b  '),('a','b');
-drop table t1;
-create table t1 (a varchar(10) charset latin1 collate latin1_bin,
-b varchar(10) charset latin1 collate latin1_bin)
-partition by range (length(a) * length(b))
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 'b  '),('a','b');
-drop table t1;
-create table t1 (a varchar(10) charset latin1 collate latin1_bin,
-b varchar(10) charset latin1 collate latin1_bin, c int)
-partition by range (length(a) * c)
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
-drop table t1;
-create table t1 (a varchar(10) charset latin1 collate latin1_bin,
-b varchar(10) charset latin1 collate latin1_bin, c int)
-partition by range (c * length(a))
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
-drop table t1;
 create table t1 (a int unsigned)
 partition by range (a)
 (partition pnull values less than (0),
@@ -109,7 +75,7 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	pnull_pnullsp0,pnull_pnullsp1,p0_p0sp0,p0_p0sp1	ALL	NULL	NULL	NULL	NULL	4	Using where
 explain partitions select * from t1 where a > 1;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p1_p1sp0,p1_p1sp1	ALL	NULL	NULL	NULL	NULL	2	Using where
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 drop table t1;
 CREATE TABLE t1 (
 a int not null,
@@ -743,45 +709,3 @@ WHERE (a >= '2004-07-01' AND a <= '2004-09-30') OR
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	p407,p408,p409,p507,p508,p509	ALL	NULL	NULL	NULL	NULL	18	Using where
 DROP TABLE t1;
-create table t1 (a varchar(20))
-partition by range (crc32(md5(a)))
-(partition p0 values less than (100),
-partition p1 values less than maxvalue);
-insert into t1 values ("12345678901234567890");
-insert into t1 values ("A2345678901234567890");
-insert into t1 values ("B2345678901234567890");
-insert into t1 values ("1234567890123456789");
-insert into t1 values ("1234567890123456");
-select * from t1;
-a
-12345678901234567890
-A2345678901234567890
-B2345678901234567890
-1234567890123456789
-1234567890123456
-explain partitions select * from t1 where a = "12345678901234567890";
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	5	Using where
-explain partitions select * from t1 where a = "12345678901234567890" OR
-a = "A2345678901234567890" OR
-a = "B2345678901234567890" OR
-a = "C2345678901234567890";
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	5	Using where
-explain partitions select * from t1 where a = "01234567890123456";
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	5	Using where
-select * from t1 where a = "01234567890123456";
-a
-select * from t1 where a = "12345678901234567890" OR
-a = "A2345678901234567890" OR
-a = "B2345678901234567890" OR
-a = "C2345678901234567890";
-a
-12345678901234567890
-A2345678901234567890
-B2345678901234567890
-select * from t1 where a = "12345678901234567890";
-a
-12345678901234567890
-drop table t1;
diff --git a/mysql-test/t/partition_bug18198.test b/mysql-test/t/partition_bug18198.test
new file mode 100644
index 00000000000..7f071c6ec9e
--- /dev/null
+++ b/mysql-test/t/partition_bug18198.test
@@ -0,0 +1,219 @@
+-- source include/have_partition.inc
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+create table t1 (col1 datetime)
+partition by range(datediff(col1,col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+drop table t1;
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(greatest(col1,10))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(isnull(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(least(col1,12))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(case when col1>0 then 10 else 20 end)
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(ifnull(col1,5))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(nullif(col1,5))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(bit_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(bit_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(char_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(char_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(character_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(find_in_set(col1,1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(find_in_set(col1,'1'))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(instr(col1,3))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(instr(col1,'3'))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(locate(1,col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(locate(1,col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(octet_length(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(position(1 in col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(position(1 in col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 char(5))
+partition by range(strcmp(col1,2))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(strcmp(col1,2))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(crc32(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(round(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(sign(col1))
+(partition p0 values less than (2), partition p1 values less than (6));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 datetime)
+partition by range(period_add(col1,5))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 datetime, col2 datetime)
+partition by range(period_diff(col1,col2))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int, col2 int)
+partition by range(period_diff(col1,col2))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 datetime)
+partition by range(timestampdiff(day,5,col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 date)
+partition by range(unix_timestamp(col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 datetime)
+partition by range(week(col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 varchar(25))
+partition by range(cast(col1 as signed))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 varchar(25))
+partition by range(convert(col1,unsigned))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(col1 | 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(col1 & 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(col1 ^ 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(col1 << 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(col1 >> 20)
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(~col1)
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(bit_count(col1))
+(partition p0 values less than (10), partition p1 values less than (30));
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (col1 int)
+partition by range(inet_aton(col1))
+(partition p0 values less than (10), partition p1 values less than (30));
diff --git a/mysql-test/t/partition_charset.test b/mysql-test/t/partition_charset.test
index 27d0dc87b89..6842e5268fa 100644
--- a/mysql-test/t/partition_charset.test
+++ b/mysql-test/t/partition_charset.test
@@ -19,3 +19,11 @@ flush tables;
 set names latin1;
 select * from t1;
 drop table t1;
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (a varchar(1), primary key (a))
+partition by list (ascii(a))
+(partition p1 values in (65));
+#insert into t1 values ('A');
+#replace into t1 values ('A');
+#drop table t1;
diff --git a/mysql-test/t/partition_error.test b/mysql-test/t/partition_error.test
index 20703b979f1..5fc2097cc52 100644
--- a/mysql-test/t/partition_error.test
+++ b/mysql-test/t/partition_error.test
@@ -33,7 +33,7 @@ partitions 2;
 #
 # Partition by key list, wrong result type
 #
---error ER_PARTITION_FUNC_NOT_ALLOWED_ERROR
+--error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
 CREATE TABLE t1 (
 a int not null,
 b int not null,
@@ -109,7 +109,7 @@ partitions 3
 #
 # Partition by hash, invalid result type
 #
---error ER_PARTITION_FUNC_NOT_ALLOWED_ERROR
+--error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
 CREATE TABLE t1 (
 a int not null,
 b int not null,
@@ -533,7 +533,7 @@ partitions 2
 #
 # Partition by range, wrong result type of partition function
 #
---error ER_PARTITION_FUNC_NOT_ALLOWED_ERROR
+--error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
 CREATE TABLE t1 (
 a int not null,
 b int not null,
@@ -769,10 +769,11 @@ 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;
+#drop table t1;
 
 -- error 1064
 create table t1 (a int)
@@ -790,7 +791,7 @@ partition by hash (extract(hour from convert_tz(a, '+00:00', '+00:00')));
 create table t1 (a int)
 partition by range (a + (select count(*) from t1))
 (partition p1 values less than (1));
--- error ER_PARTITION_FUNC_NOT_ALLOWED_ERROR
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
 create table t1 (a char(10))
 partition by hash (extractvalue(a,'a'));
 
diff --git a/mysql-test/t/partition_hash.test b/mysql-test/t/partition_hash.test
index ca7972cc01c..98add060a76 100644
--- a/mysql-test/t/partition_hash.test
+++ b/mysql-test/t/partition_hash.test
@@ -10,18 +10,6 @@ drop table if exists t1;
 --enable_warnings
 
 #
-# BUG 18198: Partition functions handling
-#
-create table t1 (a varchar(10) charset latin1 collate latin1_bin)
-partition by hash(length(a))
-partitions 10;
-insert into t1 values (''),(' '),('a'),('a '),('a  ');
-explain partitions select * from t1 where a='a ';
-explain partitions select * from t1 where a='a';
-explain partitions select * from t1 where a='a ' OR a='a';
-drop table t1;
-
-#
 # More partition pruning tests, especially on interval walking
 #
 create table t1 (a int unsigned)
diff --git a/mysql-test/t/partition_list.test b/mysql-test/t/partition_list.test
index 1e420cfe6ed..1c76de9d55a 100644
--- a/mysql-test/t/partition_list.test
+++ b/mysql-test/t/partition_list.test
@@ -179,4 +179,8 @@ insert into t1 values (null);
 select * from t1;
 drop table t1;
 
+--error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (a char(1))
+partition by list (ascii(ucase(a)))
+(partition p1 values in (2));
 
diff --git a/mysql-test/t/partition_mgm.test b/mysql-test/t/partition_mgm.test
index 8458d47d634..a06f8d1aee5 100644
--- a/mysql-test/t/partition_mgm.test
+++ b/mysql-test/t/partition_mgm.test
@@ -20,7 +20,7 @@ subpartition sp01, subpartition sp02));
 drop table t1;
  
 CREATE TABLE t1 (f_date DATE, f_varchar VARCHAR(30))
-PARTITION BY HASH(CAST(YEAR(f_date) AS SIGNED INTEGER)) PARTITIONS 2;
+PARTITION BY HASH(YEAR(f_date)) PARTITIONS 2;
 SHOW CREATE TABLE t1;
 
 --replace_result $MYSQLTEST_VARDIR "hello"
diff --git a/mysql-test/t/partition_pruning.test b/mysql-test/t/partition_pruning.test
index a60846f18ff..12951c9232a 100644
--- a/mysql-test/t/partition_pruning.test
+++ b/mysql-test/t/partition_pruning.test
@@ -538,18 +538,17 @@ 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) 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),
-  partition p5 values in (5)
-);
-insert into t1 values ('a'),('bb'),('ccc'),('dddd'),('eeEee');
-select * from t1 where a>='a' and a <= 'dddd';
-explain partitions select * from t1 where a>='a' and a <= 'dddd';
-drop table t1;
+#create table t1 (a char(10) binary)
+#partition by list(ascii(a))
+# (partition p1 values in (ascii('a')),
+#  partition p2 values in (ascii('b')),
+#  partition p3 values in (ascii('c')),
+#  partition p4 values in (ascii('d')),
+#  partition p5 values in (ascii('e')));
+#insert into t1 values ('a'),('bb'),('ccc'),('dddd'),('eeEee');
+#select * from t1 where a>='a' and a <= 'dddd';
+#explain partitions select * from t1 where a>='a' and a <= 'dddd';
+#drop table t1;
 
 # BUG#18659: Assertion failure when subpartitioning is used and partition is
 # "IS NULL"
@@ -692,20 +691,47 @@ explain partitions select * from t1 where a = 18446744073709551000;
 explain partitions select * from t1 where a = 18446744073709551613;
 explain partitions select * from t1 where a = 18446744073709551614;
 drop table t1;
-
-create table t1 (a int) 
-  partition by range((a & 0xFF) << 56) (
-  partition p0 values less than (0x40 << 56),
-  partition p1 values less than (0x80 << 56),
-  partition p2 values less than (0xFF << 56)
+#
+# Test all variants of usage for interval_via_mapping
+# and interval_via_walking
+#
+# t1 will use interval_via_mapping since it uses a
+# monotonic function, whereas t2 will use
+# interval_via_walking since the intervals are short
+# and the function isn't monotonic (it is, but it isn't
+# discovered in this version).
+#
+  create table t1 (a int)
+  partition by range(a) (
+  partition p0 values less than (64),
+  partition p1 values less than (128),
+  partition p2 values less than (255)
 );
 
-insert into t1 values (0x20), (0x20), (0x41), (0x41), (0xFE), (0xFE); 
+create table t2 (a int)
+  partition by range(a+0) (
+  partition p0 values less than (64),
+  partition p1 values less than (128),
+  partition p2 values less than (255)
+);
+  
+insert into t1 values (0x20), (0x20), (0x41), (0x41), (0xFE), (0xFE);
+insert into t2 values (0x20), (0x20), (0x41), (0x41), (0xFE), (0xFE);
 explain partitions select * from t1 where a=0;
+explain partitions select * from t2 where a=0;
 explain partitions select * from t1 where a=0xFE;
-explain partitions select * from t1 where a>0xFE and a<= 0xFF;
+explain partitions select * from t2 where a=0xFE;
+explain partitions select * from t1 where a > 0xFE AND a <= 0xFF;
+explain partitions select * from t2 where a > 0xFE AND a <= 0xFF;
+explain partitions select * from t1 where a >= 0xFE AND a <= 0xFF;
+explain partitions select * from t2 where a >= 0xFE AND a <= 0xFF;
+explain partitions select * from t1 where a < 64 AND a >= 63;
+explain partitions select * from t2 where a < 64 AND a >= 63;
+explain partitions select * from t1 where a <= 64 AND a >= 63;
+explain partitions select * from t2 where a <= 64 AND a >= 63;
 drop table t1;
-
+drop table t2;
+  
 create table t1(a bigint unsigned not null) partition by range(a+0) (
   partition p1 values less than (10),
   partition p2 values less than (20),
diff --git a/mysql-test/t/partition_range.test b/mysql-test/t/partition_range.test
index 84f67febe8b..50d850913bc 100644
--- a/mysql-test/t/partition_range.test
+++ b/mysql-test/t/partition_range.test
@@ -12,45 +12,45 @@ drop table if exists t1;
 #
 # BUG 18198: Various tests for partition functions
 #
-create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
-partition by range (length(a) * b)
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 2),('a',3);
-drop table t1;
-
-create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
-partition by range (b* length(a) * b)
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 2),('a',3);
-drop table t1;
-
-create table t1 (a varchar(10) charset latin1 collate latin1_bin,
-                 b varchar(10) charset latin1 collate latin1_bin)
-partition by range (length(b) * length(a))
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 'b  '),('a','b');
-drop table t1;
-
-create table t1 (a varchar(10) charset latin1 collate latin1_bin,
-                 b varchar(10) charset latin1 collate latin1_bin)
-partition by range (length(a) * length(b))
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 'b  '),('a','b');
-drop table t1;
-
-create table t1 (a varchar(10) charset latin1 collate latin1_bin,
-                 b varchar(10) charset latin1 collate latin1_bin, c int)
-partition by range (length(a) * c)
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
-drop table t1;
-
-create table t1 (a varchar(10) charset latin1 collate latin1_bin,
-                 b varchar(10) charset latin1 collate latin1_bin, c int)
-partition by range (c * length(a))
-(partition p0 values less than (2), partition p1 values less than (400));
-insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
-drop table t1;
+#create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
+#partition by range (ascii(a) * b)
+#(partition p0 values less than (2), partition p1 values less than (4000));
+#insert into t1 values ('a ', 2),('a',3);
+#drop table t1;
+
+#create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
+#partition by range (b* ascii(a) * b)
+#(partition p0 values less than (2), partition p1 values less than (4000));
+#insert into t1 values ('a ', 2),('a',3);
+#drop table t1;
+
+#create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+#                 b varchar(10) charset latin1 collate latin1_bin)
+#partition by range (ascii(b) * ascii(a))
+#(partition p0 values less than (2), partition p1 values less than (40000));
+#insert into t1 values ('a ', 'b  '),('a','b');
+#drop table t1;
+
+#create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+#                 b varchar(10) charset latin1 collate latin1_bin)
+#partition by range (ascii(a) * ascii(b))
+#(partition p0 values less than (2), partition p1 values less than (40000));
+#insert into t1 values ('a ', 'b  '),('a','b');
+#drop table t1;
+
+#create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+#                 b varchar(10) charset latin1 collate latin1_bin, c int)
+#partition by range (ascii(a) * c)
+#(partition p0 values less than (2), partition p1 values less than (4000));
+#insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
+#drop table t1;
+
+#create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+#                 b varchar(10) charset latin1 collate latin1_bin, c int)
+#partition by range (c * ascii(a))
+#(partition p0 values less than (2), partition p1 values less than (4000));
+#insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
+#drop table t1;
 
 #
 # More checks for partition pruning
@@ -733,29 +733,27 @@ DROP TABLE t1;
 #
 # Bug 18198: Try with a couple of cases using VARCHAR fields in
 #            partition function.
-create table t1 (a varchar(20))
-partition by range (crc32(md5(a)))
-(partition p0 values less than (100),
- partition p1 values less than maxvalue);
-
-insert into t1 values ("12345678901234567890");
-insert into t1 values ("A2345678901234567890");
-insert into t1 values ("B2345678901234567890");
-insert into t1 values ("1234567890123456789");
-insert into t1 values ("1234567890123456");
-select * from t1;
-explain partitions select * from t1 where a = "12345678901234567890";
-explain partitions select * from t1 where a = "12345678901234567890" OR
-                                          a = "A2345678901234567890" OR
-                                          a = "B2345678901234567890" OR
-                                          a = "C2345678901234567890";
-explain partitions select * from t1 where a = "01234567890123456";
-select * from t1 where a = "01234567890123456";
-select * from t1 where a = "12345678901234567890" OR
-                       a = "A2345678901234567890" OR
-                       a = "B2345678901234567890" OR
-                       a = "C2345678901234567890";
-select * from t1 where a = "12345678901234567890";
-
-
-drop table t1;
+#create table t1 (a varchar(20))
+#partition by range (ascii(a))
+#(partition p0 values less than (100),
+# partition p1 values less than maxvalue);
+
+#insert into t1 values ("12345678901234567890");
+#insert into t1 values ("A2345678901234567890");
+#insert into t1 values ("B2345678901234567890");
+#insert into t1 values ("1234567890123456789");
+#insert into t1 values ("1234567890123456");
+#select * from t1;
+#explain partitions select * from t1 where a = "12345678901234567890";
+#explain partitions select * from t1 where a = "12345678901234567890" OR
+#                                          a = "A2345678901234567890" OR
+#                                          a = "B2345678901234567890" OR
+#                                          a = "C2345678901234567890";
+#explain partitions select * from t1 where a = "01234567890123456";
+#select * from t1 where a = "01234567890123456";
+#select * from t1 where a = "12345678901234567890" OR
+#                       a = "A2345678901234567890" OR
+#                       a = "B2345678901234567890" OR
+#                       a = "C2345678901234567890";
+#select * from t1 where a = "12345678901234567890";
+#drop table t1;