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

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


mysql-test/t/partition_hash.test:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/item.h:
  manual merge
sql/item_cmpfunc.h:
  manual merge
sql/item_func.h:
  manual merge
sql/item_strfunc.h:
  manual merge
sql/item_timefunc.h:
  manual merge
sql/item_xmlfunc.h:
  manual merge
sql/partition_info.cc:
  manual merge
sql/sql_partition.cc:
  manual merge

25 files changed, 649 insertions, 206 deletions

diff --git a/mysql-test/r/partition_bug18198.result b/mysql-test/r/partition_bug18198.result
new file mode 100644
index 00000000000..2071545dbca
--- /dev/null
+++ b/mysql-test/r/partition_bug18198.result
@@ -0,0 +1,203 @@
+drop table if exists t1;
+create table t1 (a char(5) character set koi8r)
+partition by list (ascii(a) mod 3)
+subpartition by hash(ascii(a))
+subpartitions 3
+(partition p1 values in (1),
+partition p2 values in (2),
+partition p0 values in (0));
+insert into t1 values ('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	p2_p2sp2	system	NULL	NULL	NULL	NULL	1	
+select * from t1 where a = 'a';
+a
+a
+drop table t1;
+create table t1 (a char(5) character set cp1251)
+partition by list (ascii(a)) (partition pn values in (null));
+drop table 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 (a char(5) character set big5)
+partition by list (ascii(a)) (partition pn values in (null));
+ERROR HY000: This partition function is not allowed
+create table t1 (a char(1))
+partition by list(ascii(a))
+(partition p1 values in (ascii('i')));
+drop table t1;
+create table t1 (s1 char(5) character set latin5)
+partition by list (ascii(s1))
+(partition p1 values in (1));
+set names utf8;
+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..bb6cb5e3bef 100644
--- a/mysql-test/r/partition_charset.result
+++ b/mysql-test/r/partition_charset.result
@@ -16,3 +16,9 @@ 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));
+insert into t1 values ('A');
+replace into t1 values ('A');
+drop table t1;
diff --git a/mysql-test/r/partition_error.result b/mysql-test/r/partition_error.result
index 4b01b759902..41829216178 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,
@@ -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..80a24bc7065 100644
--- a/mysql-test/r/partition_pruning.result
+++ b/mysql-test/r/partition_pruning.result
@@ -677,13 +677,12 @@ f_int1	f_int2
 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)
-);
+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';
 a
@@ -847,23 +846,58 @@ 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..e9ebd5ba2cf 100644
--- a/mysql-test/r/partition_range.result
+++ b/mysql-test/r/partition_range.result
@@ -1,36 +1,36 @@
 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));
+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* length(a) * b)
-(partition p0 values less than (2), partition p1 values less than (400));
+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 (length(b) * length(a))
-(partition p0 values less than (2), partition p1 values less than (400));
+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 (length(a) * length(b))
-(partition p0 values less than (2), partition p1 values less than (400));
+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 (length(a) * c)
-(partition p0 values less than (2), partition p1 values less than (400));
+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 * length(a))
-(partition p0 values less than (2), partition p1 values less than (400));
+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;
 create table t1 (a int unsigned)
@@ -109,7 +109,7 @@ 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,
@@ -744,7 +744,7 @@ 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 by range (ascii(a))
 (partition p0 values less than (100),
 partition p1 values less than maxvalue);
 insert into t1 values ("12345678901234567890");
@@ -761,16 +761,16 @@ B2345678901234567890
 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
+1	SIMPLE	t1	p0	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
+1	SIMPLE	t1	p0	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
+1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	5	Using where
 select * from t1 where a = "01234567890123456";
 a
 select * from t1 where a = "12345678901234567890" OR
diff --git a/mysql-test/t/partition_bug18198.test b/mysql-test/t/partition_bug18198.test
new file mode 100644
index 00000000000..caf9bd560c0
--- /dev/null
+++ b/mysql-test/t/partition_bug18198.test
@@ -0,0 +1,252 @@
+-- source include/have_partition.inc
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+create table t1 (a char(5) character set koi8r)
+partition by list (ascii(a) mod 3)
+subpartition by hash(ascii(a))
+subpartitions 3
+(partition p1 values in (1),
+ partition p2 values in (2),
+ partition p0 values in (0));
+insert into t1 values ('a');
+explain partitions select * from t1 where a = 'a';
+select * from t1 where a = 'a';
+drop table t1;
+
+create table t1 (a char(5) character set cp1251)
+partition by list (ascii(a)) (partition pn values in (null));
+drop table 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;
+
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (a char(5) character set big5)
+partition by list (ascii(a)) (partition pn values in (null));
+
+create table t1 (a char(1))
+partition by list(ascii(a))
+(partition p1 values in (ascii('i')));
+#insert into t1 values ('i');
+drop table t1;
+
+create table t1 (s1 char(5) character set latin5)
+partition by list (ascii(s1))
+(partition p1 values in (1));
+set names utf8;
+#insert into tn values ('¿¿');
+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..5e8f128e87a 100644
--- a/mysql-test/t/partition_charset.test
+++ b/mysql-test/t/partition_charset.test
@@ -19,3 +19,10 @@ flush tables;
 set names latin1;
 select * from t1;
 drop table t1;
+
+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..fa5055b2981 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,
@@ -790,7 +790,7 @@ 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 dc527cad2b7..3d1ab2e5241 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..cef57bd9356 100644
--- a/mysql-test/t/partition_pruning.test
+++ b/mysql-test/t/partition_pruning.test
@@ -539,13 +539,12 @@ 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)
-);
+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';
@@ -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..219637d6f81 100644
--- a/mysql-test/t/partition_range.test
+++ b/mysql-test/t/partition_range.test
@@ -13,42 +13,42 @@ 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));
+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* length(a) * b)
-(partition p0 values less than (2), partition p1 values less than (400));
+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 (length(b) * length(a))
-(partition p0 values less than (2), partition p1 values less than (400));
+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 (length(a) * length(b))
-(partition p0 values less than (2), partition p1 values less than (400));
+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 (length(a) * c)
-(partition p0 values less than (2), partition p1 values less than (400));
+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 * length(a))
-(partition p0 values less than (2), partition p1 values less than (400));
+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;
 
@@ -734,7 +734,7 @@ 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 by range (ascii(a))
 (partition p0 values less than (100),
  partition p1 values less than maxvalue);
 
diff --git a/sql/item.h b/sql/item.h
index daa69b8a125..2c380fc2f69 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -843,8 +843,7 @@ public:
     german character for double s is equal to 2 s.
 
     The default is that an item is not allowed
-    in a partition function. However all mathematical functions, string
-    manipulation functions, date functions are allowed. Allowed functions
+    in a partition function. Allowed functions
     can never depend on server version, they cannot depend on anything
     related to the environment. They can also only depend on a set of
     fields in the table itself. They cannot depend on other tables and
@@ -1628,6 +1627,7 @@ public:
   uint decimal_precision() const
   { return (uint)(max_length - test(value < 0)); }
   bool eq(const Item *, bool binary_cmp) const;
+  bool check_partition_func_processor(byte *bool_arg) { return FALSE;}
 };
 
 
@@ -1645,6 +1645,7 @@ public:
   void print(String *str);
   Item_num *neg ();
   uint decimal_precision() const { return max_length; }
+  bool check_partition_func_processor(byte *bool_arg) { return FALSE;}
 };
 
 
@@ -1687,6 +1688,7 @@ public:
   uint decimal_precision() const { return decimal_value.precision(); }
   bool eq(const Item *, bool binary_cmp) const;
   void set_decimal_value(my_decimal *value_par);
+  bool check_partition_func_processor(byte *bool_arg) { return FALSE;}
 };
 
 
@@ -1747,7 +1749,6 @@ public:
   {}
   void print(String *str) { str->append(func_name); }
   Item *safe_charset_converter(CHARSET_INFO *tocs);
-  bool check_partition_func_processor(uchar *int_arg) {return TRUE;}
 };
 
 
@@ -1856,7 +1857,6 @@ public:
                                   CHARSET_INFO *cs= NULL):
     Item_string(name, length, cs)
   {}
-  bool check_partition_func_processor(uchar *int_arg) {return TRUE;}
 };
 
 
@@ -1904,7 +1904,6 @@ public:
     unsigned_flag=1;
   }
   enum_field_types field_type() const { return int_field_type; }
-  bool check_partition_func_processor(uchar *int_arg) {return TRUE;}
 };
 
 
@@ -2230,7 +2229,6 @@ public:
   }
   Item *clone_item();
   virtual Item *real_item() { return ref; }
-  bool check_partition_func_processor(uchar *int_arg) {return TRUE;}
 };
 
 #ifdef MYSQL_SERVER
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h
index 60f2ac6321d..2363abd44bd 100644
--- a/sql/item_cmpfunc.h
+++ b/sql/item_cmpfunc.h
@@ -355,7 +355,6 @@ public:
   }
   Item *neg_transformer(THD *thd);
   virtual Item *negated_item();
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
   bool subst_argument_checker(uchar **arg) { return TRUE; }
 };
 
@@ -367,7 +366,6 @@ public:
   enum Functype functype() const { return NOT_FUNC; }
   const char *func_name() const { return "not"; }
   Item *neg_transformer(THD *thd);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
   void print(String *str);
 };
 
@@ -598,7 +596,6 @@ public:
   bool is_bool_func() { return 1; }
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
   uint decimal_precision() const { return 1; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -610,7 +607,6 @@ public:
   optimize_type select_optimize() const { return OPTIMIZE_NONE; }
   const char *func_name() const { return "strcmp"; }
   void print(String *str) { Item_func::print(str); }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -673,7 +669,6 @@ public:
   const char *func_name() const { return "ifnull"; }
   Field *tmp_table_field(TABLE *table);
   uint decimal_precision() const;
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -714,7 +709,6 @@ public:
   void print(String *str) { Item_func::print(str); }
   table_map not_null_tables() const { return 0; }
   bool is_null();
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 /* Functions to handle the optimized IN */
@@ -1141,7 +1135,6 @@ public:
   void print(String *str);
   Item *find_item(String *str);
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
-  bool check_partition_func_processor(uchar *bool_arg) { return FALSE;}
   void cleanup()
   {
     uint i;
@@ -1222,7 +1215,6 @@ public:
   bool nulls_in_row();
   bool is_bool_func() { return 1; }
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class cmp_item_row :public cmp_item
@@ -1294,7 +1286,6 @@ public:
   optimize_type select_optimize() const { return OPTIMIZE_NULL; }
   Item *neg_transformer(THD *thd);
   CHARSET_INFO *compare_collation() { return args[0]->collation.collation; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 /* Functions used by HAVING for rewriting IN subquery */
@@ -1321,7 +1312,6 @@ public:
   */
   table_map used_tables() const
     { return used_tables_cache | RAND_TABLE_BIT; }
-  bool check_partition_func_processor(uchar *int_arg) {return TRUE;}
 };
 
 
@@ -1344,7 +1334,6 @@ public:
   void print(String *str);
   CHARSET_INFO *compare_collation() { return args[0]->collation.collation; }
   void top_level_item() { abort_on_null=1; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -1383,7 +1372,6 @@ public:
   const char *func_name() const { return "like"; }
   bool fix_fields(THD *thd, Item **ref);
   void cleanup();
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 #ifdef USE_REGEX
@@ -1406,7 +1394,6 @@ public:
   const char *func_name() const { return "regexp"; }
   void print(String *str) { print_op(str); }
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 #else
@@ -1463,7 +1450,6 @@ public:
   Item *transform(Item_transformer transformer, uchar *arg);
   void traverse_cond(Cond_traverser, void *arg, traverse_order order);
   void neg_arguments(THD *thd);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
   bool subst_argument_checker(uchar **arg) { return TRUE; }
   Item *compile(Item_analyzer analyzer, uchar **arg_p,
                 Item_transformer transformer, uchar *arg_t);
diff --git a/sql/item_func.h b/sql/item_func.h
index 8fc68f93e12..dc53a63bfe8 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -253,7 +253,6 @@ public:
   void fix_num_length_and_dec();
   void find_num_type();
   String *str_op(String *str) { DBUG_ASSERT(0); return 0; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -311,7 +310,6 @@ public:
   { max_length=args[0]->max_length; unsigned_flag=0; }
   void print(String *str);
   uint decimal_precision() const { return args[0]->decimal_precision(); }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -345,7 +343,6 @@ public:
   void fix_length_and_dec() {};
   const char *func_name() const { return "decimal_typecast"; }
   void print(String *);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -442,6 +439,7 @@ public:
   void fix_length_and_dec();
   void fix_num_length_and_dec();
   uint decimal_precision() const { return args[0]->decimal_precision(); }
+  bool check_partition_func_processor(byte *int_arg) {return FALSE;}
 };
 
 
@@ -454,6 +452,7 @@ public:
   my_decimal *decimal_op(my_decimal *);
   const char *func_name() const { return "abs"; }
   void fix_length_and_dec();
+  bool check_partition_func_processor(byte *int_arg) {return FALSE;}
 };
 
 // A class to handle logarithmic and trigonometric functions
@@ -488,7 +487,6 @@ public:
   Item_func_exp(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "exp"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -498,7 +496,6 @@ public:
   Item_func_ln(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "ln"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -509,7 +506,6 @@ public:
   Item_func_log(Item *a,Item *b) :Item_dec_func(a,b) {}
   double val_real();
   const char *func_name() const { return "log"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -519,7 +515,6 @@ public:
   Item_func_log2(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "log2"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -529,7 +524,6 @@ public:
   Item_func_log10(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "log10"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -539,7 +533,6 @@ public:
   Item_func_sqrt(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "sqrt"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -549,7 +542,6 @@ public:
   Item_func_pow(Item *a,Item *b) :Item_dec_func(a,b) {}
   double val_real();
   const char *func_name() const { return "pow"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -559,7 +551,6 @@ public:
   Item_func_acos(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "acos"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_asin :public Item_dec_func
@@ -568,7 +559,6 @@ public:
   Item_func_asin(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "asin"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_atan :public Item_dec_func
@@ -578,7 +568,6 @@ public:
   Item_func_atan(Item *a,Item *b) :Item_dec_func(a,b) {}
   double val_real();
   const char *func_name() const { return "atan"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_cos :public Item_dec_func
@@ -587,7 +576,6 @@ public:
   Item_func_cos(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "cos"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_sin :public Item_dec_func
@@ -596,7 +584,6 @@ public:
   Item_func_sin(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "sin"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_tan :public Item_dec_func
@@ -605,7 +592,6 @@ public:
   Item_func_tan(Item *a) :Item_dec_func(a) {}
   double val_real();
   const char *func_name() const { return "tan"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_integer :public Item_int_func
@@ -633,6 +619,7 @@ public:
   longlong int_op();
   double real_op();
   my_decimal *decimal_op(my_decimal *);
+  bool check_partition_func_processor(byte *int_arg) {return FALSE;}
 };
 
 
@@ -644,6 +631,7 @@ public:
   longlong int_op();
   double real_op();
   my_decimal *decimal_op(my_decimal *);
+  bool check_partition_func_processor(byte *int_arg) {return FALSE;}
 };
 
 /* This handles round and truncate */
@@ -684,7 +672,6 @@ public:
   Item_func_sign(Item *a) :Item_int_func(a) {}
   const char *func_name() const { return "sign"; }
   longlong val_int();
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -699,7 +686,6 @@ public:
   const char *func_name() const { return name; }
   void fix_length_and_dec()
   { decimals= NOT_FIXED_DEC; max_length= float_length(decimals); }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -725,7 +711,6 @@ public:
   void fix_length_and_dec();
   enum Item_result result_type () const { return cmp_type; }
   bool result_as_longlong() { return compare_as_dates; };
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
   uint cmp_datetimes(ulonglong *value);
 };
 
@@ -781,7 +766,6 @@ public:
   longlong val_int();
   const char *func_name() const { return "length"; }
   void fix_length_and_dec() { max_length=10; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_bit_length :public Item_func_length
@@ -801,7 +785,6 @@ public:
   longlong val_int();
   const char *func_name() const { return "char_length"; }
   void fix_length_and_dec() { max_length=10; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_coercibility :public Item_int_func
@@ -825,7 +808,6 @@ public:
   longlong val_int();
   void fix_length_and_dec();
   void print(String *str);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -860,7 +842,6 @@ public:
   Item_func_ord(Item *a) :Item_int_func(a) {}
   longlong val_int();
   const char *func_name() const { return "ord"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_find_in_set :public Item_int_func
@@ -874,7 +855,6 @@ public:
   longlong val_int();
   const char *func_name() const { return "find_in_set"; }
   void fix_length_and_dec();
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 /* Base class for all bit functions: '~', '|', '^', '&', '>>', '<<' */
@@ -886,7 +866,6 @@ public:
   Item_func_bit(Item *a) :Item_int_func(a) {}
   void fix_length_and_dec() { unsigned_flag= 1; }
   void print(String *str) { print_op(str); }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_bit_or :public Item_func_bit
@@ -912,7 +891,6 @@ public:
   longlong val_int();
   const char *func_name() const { return "bit_count"; }
   void fix_length_and_dec() { max_length=2; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_shift_left :public Item_func_bit
@@ -1363,7 +1341,6 @@ public:
   longlong val_int();
   const char *func_name() const { return "inet_aton"; }
   void fix_length_and_dec() { decimals= 0; max_length= 21; maybe_null= 1; unsigned_flag= 1;}
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h
index c036ec490db..6d2d9c199c9 100644
--- a/sql/item_strfunc.h
+++ b/sql/item_strfunc.h
@@ -50,7 +50,6 @@ public:
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "md5"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -94,7 +93,6 @@ public:
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "concat"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_concat_ws :public Item_str_func
@@ -116,7 +114,6 @@ public:
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "reverse"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -154,7 +151,6 @@ protected:
 public:
   Item_str_conv(Item *item) :Item_str_func(item) {}
   String *val_str(String *);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -455,7 +451,6 @@ public:
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "soundex"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -549,7 +544,6 @@ public:
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "rpad"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -562,7 +556,6 @@ public:
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "lpad"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -577,7 +570,6 @@ public:
     collation.set(default_charset());
     max_length= 64;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -594,7 +586,6 @@ public:
     decimals=0;
     max_length=args[0]->max_length*2*collation.collation->mbmaxlen;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_unhex :public Item_str_func
@@ -614,7 +605,6 @@ public:
     decimals=0;
     max_length=(1+args[0]->max_length)/2;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -638,7 +628,6 @@ public:
   }
   void print(String *str);
   const char *func_name() const { return "cast_as_binary"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -678,7 +667,6 @@ public:
   String* val_str(String* str);
   const char *func_name() const { return "inet_ntoa"; }
   void fix_length_and_dec() { decimals = 0; max_length=3*8+7; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_quote :public Item_str_func
@@ -693,7 +681,6 @@ public:
     collation.set(args[0]->collation);
     max_length= args[0]->max_length * 2 + 2;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_conv_charset :public Item_str_func
@@ -794,7 +781,6 @@ public:
   const char *func_name() const { return "crc32"; }
   void fix_length_and_dec() { max_length=10; }
   longlong val_int();
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_uncompressed_length : public Item_int_func
diff --git a/sql/item_timefunc.h b/sql/item_timefunc.h
index bd0954e6bdb..bdf3560a55d 100644
--- a/sql/item_timefunc.h
+++ b/sql/item_timefunc.h
@@ -38,7 +38,6 @@ public:
   { 
     max_length=6*MY_CHARSET_BIN_MB_MAXLEN;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -53,7 +52,6 @@ public:
     decimals=0;
     max_length=6*MY_CHARSET_BIN_MB_MAXLEN;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -129,6 +127,7 @@ public:
     max_length=10*my_charset_bin.mbmaxlen;
     maybe_null=1; 
   }
+  bool check_partition_func_processor(byte *int_arg) {return TRUE;}
 };
 
 
@@ -224,7 +223,6 @@ public:
     max_length=2*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_yearweek :public Item_int_func
@@ -303,6 +301,7 @@ class Item_func_dayname :public Item_func_weekday
     max_length=9*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1; 
   }
+  bool check_partition_func_processor(byte *int_arg) {return TRUE;}
 };
 
 
@@ -319,7 +318,6 @@ public:
     decimals=0;
     max_length=10*MY_CHARSET_BIN_MB_MAXLEN;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -603,7 +601,6 @@ public:
   void fix_length_and_dec();
   uint format_length(const String *format);
   bool eq(const Item *item, bool binary_cmp) const;
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -617,7 +614,6 @@ class Item_func_from_unixtime :public Item_date_func
   const char *func_name() const { return "from_unixtime"; }
   void fix_length_and_dec();
   bool get_date(MYSQL_TIME *res, uint fuzzy_date);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -676,7 +672,6 @@ public:
   }
   const char *func_name() const { return "sec_to_time"; }
   bool result_as_longlong() { return TRUE; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -698,7 +693,6 @@ public:
   bool get_date(MYSQL_TIME *res, uint fuzzy_date);
   bool eq(const Item *item, bool binary_cmp) const;
   void print(String *str);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -753,7 +747,6 @@ public:
     max_length=args[0]->max_length;
     maybe_null= 1;
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -773,7 +766,6 @@ public:
   String *val_str(String *a);
   void fix_length_and_dec();
   void print(String *str);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -884,7 +876,6 @@ public:
     max_length=MAX_DATE_WIDTH*MY_CHARSET_BIN_MB_MAXLEN;
   }
   longlong val_int();
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -907,7 +898,6 @@ public:
   }
   void print(String *str);
   const char *func_name() const { return "add_time"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
   double val_real() { return val_real_from_decimal(); }
   my_decimal *val_decimal(my_decimal *decimal_value)
   {
@@ -949,7 +939,6 @@ public:
     :Item_str_timefunc(a, b ,c) {}
   String *val_str(String *str);
   const char *func_name() const { return "maketime"; }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 class Item_func_microsecond :public Item_int_func
@@ -981,7 +970,6 @@ public:
     maybe_null=1;
   }
   void print(String *str);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
@@ -1028,7 +1016,6 @@ public:
   {
     return tmp_table_field_from_field_type(table, 1);
   }
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
diff --git a/sql/item_xmlfunc.h b/sql/item_xmlfunc.h
index 650893fa7bd..278c98baf7c 100644
--- a/sql/item_xmlfunc.h
+++ b/sql/item_xmlfunc.h
@@ -41,7 +41,6 @@ public:
   Item_func_xml_extractvalue(Item *a,Item *b) :Item_xml_str_func(a,b) {}
   const char *func_name() const { return "extractvalue"; }
   String *val_str(String *);
-  bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
 };
 
 
diff --git a/sql/partition_info.cc b/sql/partition_info.cc
index 23bc3c96e8f..308b96d84f8 100644
--- a/sql/partition_info.cc
+++ b/sql/partition_info.cc
@@ -905,7 +905,6 @@ bool partition_info::set_up_charset_field_preps()
   Field *field, **ptr;
   uchar **char_ptrs;
   unsigned i;
-  bool found;
   size_t size;
   uint tot_fields= 0;
   uint tot_part_fields= 0;
@@ -918,7 +917,6 @@ bool partition_info::set_up_charset_field_preps()
   {
     ptr= part_field_array;
     /* Set up arrays and buffers for those fields */
-    i= 0;
     while ((field= *(ptr++)))
     {
       if (field_is_partition_charset(field))
@@ -954,7 +952,7 @@ bool partition_info::set_up_charset_field_preps()
     }
     part_charset_field_array[i]= NULL;
   }
-  if (is_sub_partitioned() && list_of_subpart_fields &&
+  if (is_sub_partitioned() && !list_of_subpart_fields &&
       check_part_func_fields(subpart_field_array, FALSE))
   {
     /* Set up arrays and buffers for those fields */
@@ -962,7 +960,10 @@ bool partition_info::set_up_charset_field_preps()
     while ((field= *(ptr++)))
     {
       if (field_is_partition_charset(field))
+      {
         tot_subpart_fields++;
+        tot_fields++;
+      }
     }
     size= tot_subpart_fields * sizeof(char*);
     if (!(char_ptrs= (uchar**) sql_calloc(size)))
@@ -975,10 +976,10 @@ bool partition_info::set_up_charset_field_preps()
     if (!(char_ptrs= (uchar**) sql_alloc(size)))
       goto error;
     subpart_charset_field_array= (Field**)char_ptrs;
+    ptr= subpart_field_array;
     i= 0;
     while ((field= *(ptr++)))
     {
-      unsigned j= 0;
       CHARSET_INFO *cs;
       uchar *field_buf;
       LINT_INIT(field_buf);
@@ -987,28 +988,16 @@ bool partition_info::set_up_charset_field_preps()
         continue;
       cs= ((Field_str*)field)->charset();
       size= field->pack_length();
-      found= FALSE;
-      for (j= 0; j < tot_part_fields; j++)
-      {
-        if (field == part_charset_field_array[i])
-          found= TRUE;
-      }
-      if (!found)
-      {
-        tot_fields++;
-        if (!(field_buf= (uchar*) sql_calloc(size)))
-          goto error;
-      }
+      if (!(field_buf= (uchar*) sql_calloc(size)))
+        goto error;
+      subpart_charset_field_array[i]= field;
       subpart_field_buffers[i++]= field_buf;
     }
-    if (!(char_ptrs= (uchar**) sql_calloc(size)))
-      goto error;
-    restore_subpart_field_ptrs= char_ptrs;
+    subpart_charset_field_array[i]= NULL;
   }
   if (tot_fields)
   {
-    uint j,k,l;
-
+    uint k;
     size= tot_fields*sizeof(char**);
     if (!(char_ptrs= (uchar**)sql_calloc(size)))
       goto error;
@@ -1026,11 +1015,12 @@ bool partition_info::set_up_charset_field_preps()
       full_part_field_buffers[i]= part_field_buffers[i];
     }
     k= tot_part_fields;
-    l= 0;
     for (i= 0; i < tot_subpart_fields; i++)
     {
+      uint j;
+      bool found= FALSE;
       field= subpart_charset_field_array[i];
-      found= FALSE;
+
       for (j= 0; j < tot_part_fields; j++)
       {
         if (field == part_charset_field_array[i])
@@ -1038,12 +1028,12 @@ bool partition_info::set_up_charset_field_preps()
       }
       if (!found)
       {
-        full_part_charset_field_array[l]= subpart_charset_field_array[k];
-        full_part_field_buffers[l]= subpart_field_buffers[k];
-        k++; l++;
+        full_part_charset_field_array[k]= subpart_charset_field_array[i];
+        full_part_field_buffers[k]= subpart_field_buffers[i];
+        k++;
       }
     }
-    full_part_charset_field_array[tot_fields]= NULL;
+    full_part_charset_field_array[k]= NULL;
   }
   DBUG_RETURN(FALSE);
 error:
diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc
index d47aacee924..799127995bd 100644
--- a/sql/sql_partition.cc
+++ b/sql/sql_partition.cc
@@ -2869,6 +2869,8 @@ uint32 get_partition_id_range_for_endpoint(partition_info *part_info,
   }
   if (unsigned_flag)
     part_func_value-= 0x8000000000000000ULL;
+  if (left_endpoint && !include_endpoint)
+    part_func_value++;
   while (max_part_id > min_part_id)
   {
     loc_part_id= (max_part_id + min_part_id + 1) >> 1;
@@ -3292,13 +3294,16 @@ static uint32 get_sub_part_id_from_key(const TABLE *table,uchar *buf,
   uint32 part_id;
   DBUG_ENTER("get_sub_part_id_from_key");
 
-  key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
   if (likely(rec0 == buf))
+  {
+    key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
     part_id= part_info->get_subpartition_id(part_info);
+  }
   else
   {
     Field **part_field_array= part_info->subpart_field_array;
     set_field_ptr(part_field_array, buf, rec0);
+    key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
     part_id= part_info->get_subpartition_id(part_info);
     set_field_ptr(part_field_array, rec0, buf);
   }
@@ -3335,14 +3340,17 @@ bool get_part_id_from_key(const TABLE *table, uchar *buf, KEY *key_info,
   longlong func_value;
   DBUG_ENTER("get_part_id_from_key");
 
-  key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
   if (likely(rec0 == buf))
+  {
+    key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
     result= part_info->get_part_partition_id(part_info, part_id,
                                              &func_value);
+  }
   else
   {
     Field **part_field_array= part_info->part_field_array;
     set_field_ptr(part_field_array, buf, rec0);
+    key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
     result= part_info->get_part_partition_id(part_info, part_id,
                                              &func_value);
     set_field_ptr(part_field_array, rec0, buf);
@@ -3382,14 +3390,17 @@ void get_full_part_id_from_key(const TABLE *table, uchar *buf,
   longlong func_value;
   DBUG_ENTER("get_full_part_id_from_key");
 
-  key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
   if (likely(rec0 == buf))
+  {
+    key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
     result= part_info->get_partition_id(part_info, &part_spec->start_part,
                                         &func_value);
+  }
   else
   {
     Field **part_field_array= part_info->full_part_field_array;
     set_field_ptr(part_field_array, buf, rec0);
+    key_restore(buf, (uchar*)key_spec->key, key_info, key_spec->length);
     result= part_info->get_partition_id(part_info, &part_spec->start_part,
                                         &func_value);
     set_field_ptr(part_field_array, rec0, buf);
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
index 1073c8141df..782095ab713 100644
--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -4096,8 +4096,7 @@ part_bit_expr:
             }
             Lex->part_info->curr_part_elem->has_null_value= TRUE;
           }
-          else if (part_expr->result_type() != INT_RESULT &&
-                   !part_expr->null_value)
+          else if (part_expr->result_type() != INT_RESULT)
           {
             my_parse_error(ER(ER_INCONSISTENT_TYPE_OF_FUNCTIONS_ERROR));
             MYSQL_YYABORT;