Reapplied patch for bug18198

10 files changed, 130 insertions, 96 deletions

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_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..1143b1e4296 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
@@ -848,22 +847,57 @@ 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)
+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_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 d3f1a5f4892..3304f30fb1a 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_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);