Merge mskold@bk-internal.mysql.com:/home/bk/mysql-5.1

into mysql.com:/windows/Linux_space/MySQL/mysql-5.1
2025-11-10 23:02:54 +03:00 · 2006-10-17 15:20:09 +02:00
parent 9aeeda73f0 4a7cd3a1cb
commit ad7f7feea9
28 changed files with 1127 additions and 356 deletions
--- a/mysql-test/r/partition.result
+++ b/mysql-test/r/partition.result
@@ -1,9 +1,4 @@
 drop table if exists t1;
-create table t1 (s1 char(2) character set utf8)
-partition by list (case when s1 > 'cz' then 1 else 2 end)
-(partition p1 values in (1),
-partition p2 values in (2));
-drop table t1;
 create table t1 (a int)
 partition by key(a)
 partitions 0.2+e1;
@@ -21,32 +16,6 @@ partition by key(a)
 partitions 1e+300;
 ERROR 42000: Only integers allowed as number here near '1e+300' at line 3
 create table t1 (a int)
-engine = innodb
-partition by key (a);
-show table status;
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-t1	InnoDB	10	Compact	2	8192	16384	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
-insert into t1 values (0), (1), (2), (3);
-show table status;
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-t1	InnoDB	10	Compact	4	4096	16384	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
-drop table t1;
-create table t1 (a int auto_increment primary key)
-engine = innodb
-partition by key (a);
-show table status;
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-t1	InnoDB	10	Compact	2	8192	16384	0	0	0	1	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
-insert into t1 values (NULL), (NULL), (NULL), (NULL);
-show table status;
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-t1	InnoDB	10	Compact	4	4096	16384	0	0	0	5	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
-insert into t1 values (NULL), (NULL), (NULL), (NULL);
-show table status;
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-t1	InnoDB	10	Compact	8	2048	16384	0	0	0	9	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
-drop table t1;
-create table t1 (a int)
 partition by key (a)
 (partition p0 DATA DIRECTORY 'part-data' INDEX DIRECTORY 'part-data');
 ERROR 42000: Incorrect table name 'part-data'
@@ -1042,17 +1011,6 @@ set session sql_mode='';
 drop table t1;
 create table t1 (a int)
 partition by key (a)
-(partition p1 engine = innodb);
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-drop table t1;
-create table t1 (a int)
-partition by key (a)
 (partition p0 engine = MERGE);
 ERROR HY000: Engine cannot be used in partitioned tables
 create table t1 (a varchar(1))
--- a/mysql-test/r/partition_error.result
+++ b/mysql-test/r/partition_error.result
@@ -1,28 +1,4 @@
 drop table if exists t1;
-create table t1 (a int)
-engine = x
-partition by key (a);
-Warnings:
-Error	1286	Unknown table engine 'x'
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) DEFAULT NULL
-) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a)  */
-drop table t1;
-create table t1 (a int)
-engine = innodb
-partition by list (a)
-(partition p0 values in (0));
-alter table t1 engine = x;
-Warnings:
-Error	1286	Unknown table engine 'x'
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) DEFAULT NULL
-) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY LIST (a) (PARTITION p0 VALUES IN (0) ENGINE = InnoDB) */
-drop table t1;
 partition by list (a)
 partitions 3
 (partition x1 values in (1,2,9,4) tablespace ts1,
--- a/mysql-test/r/partition_hash.result
+++ b/mysql-test/r/partition_hash.result
@@ -1,4 +1,18 @@
 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;
--- a/mysql-test/r/partition_innodb.result
+++ b/mysql-test/r/partition_innodb.result
@@ -3,3 +3,74 @@ show table status like 't1';
 Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
 t1	InnoDB	10	Compact	2	8192	16384	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
 drop table t1;
+create table t1 (a int)
+engine = innodb
+partition by key (a);
+show table status;
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	InnoDB	10	Compact	2	8192	16384	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
+insert into t1 values (0), (1), (2), (3);
+show table status;
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	InnoDB	10	Compact	4	4096	16384	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
+drop table t1;
+create table t1 (a int auto_increment primary key)
+engine = innodb
+partition by key (a);
+show table status;
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	InnoDB	10	Compact	2	8192	16384	0	0	0	1	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
+insert into t1 values (NULL), (NULL), (NULL), (NULL);
+show table status;
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	InnoDB	10	Compact	4	4096	16384	0	0	0	5	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
+insert into t1 values (NULL), (NULL), (NULL), (NULL);
+show table status;
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	InnoDB	10	Compact	8	2048	16384	0	0	0	9	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
+drop table t1;
+create table t1 (a int)
+partition by key (a)
+(partition p1 engine = innodb);
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+drop table t1;
+create table t1 (a date)
+engine = innodb
+partition by range (year(a))
+(partition p0 values less than (2006),
+partition p1 values less than (2007));
+explain partitions select * from t1
+where a between '2006-01-01' and '2007-06-01';
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	2	Using where
+drop table t1;
+create table t1 (a int)
+engine = x
+partition by key (a);
+Warnings:
+Error	1286	Unknown table engine 'x'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a)  */
+drop table t1;
+create table t1 (a int)
+engine = innodb
+partition by list (a)
+(partition p0 values in (0));
+alter table t1 engine = x;
+Warnings:
+Error	1286	Unknown table engine 'x'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY LIST (a) (PARTITION p0 VALUES IN (0) ENGINE = InnoDB) */
+drop table t1;
--- a/mysql-test/r/partition_pruning.result
+++ b/mysql-test/r/partition_pruning.result
@@ -284,13 +284,6 @@ explain partitions select * from t9 where a <= '2004-12-19';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t9	p0,p1	ALL	NULL	NULL	NULL	NULL	2	Using where
 drop table t5,t6,t7,t8,t9;
-create table t1 (a enum('a','b','c','d') default 'a') 
-partition by hash (ascii(a)) partitions 2;
-insert into t1 values ('a'),('b'),('c');
-explain partitions select * from t1 where a='b';
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p0,p1	ALL	NULL	NULL	NULL	NULL	3	Using where
-drop table t1;
 create table t1 (
 a1 int not null
 )
@@ -683,8 +676,9 @@ f_int1	f_int2
 8	8
 9	9
 drop table t1;
-create table t1 (a char(10)) partition by list(length(a)) (
-partition p1 values in (1),
+create table t1 (a char(10) binary)
+partition by list(length(a))
+(partition p1 values in (1),
 partition p2 values in (2),
 partition p3 values in (3),
 partition p4 values in (4),
--- a/mysql-test/r/partition_range.result
+++ b/mysql-test/r/partition_range.result
@@ -1,13 +1,37 @@
 drop table if exists t1;
-create table t1 (a date)
-engine = innodb
-partition by range (year(a))
-(partition p0 values less than (2006),
-partition p1 values less than (2007));
-explain partitions select * from t1
-where a between '2006-01-01' and '2007-06-01';
-id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	2	Using where
+create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
+partition by range (length(a) * b)
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 2),('a',3);
+drop table t1;
+create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
+partition by range (b* length(a) * b)
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 2),('a',3);
+drop table t1;
+create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+b varchar(10) charset latin1 collate latin1_bin)
+partition by range (length(b) * length(a))
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 'b  '),('a','b');
+drop table t1;
+create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+b varchar(10) charset latin1 collate latin1_bin)
+partition by range (length(a) * length(b))
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 'b  '),('a','b');
+drop table t1;
+create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+b varchar(10) charset latin1 collate latin1_bin, c int)
+partition by range (length(a) * c)
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
+drop table t1;
+create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+b varchar(10) charset latin1 collate latin1_bin, c int)
+partition by range (c * length(a))
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
 drop table t1;
 create table t1 (a int unsigned)
 partition by range (a)
@@ -719,3 +743,45 @@ WHERE (a >= '2004-07-01' AND a <= '2004-09-30') OR
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	p407,p408,p409,p507,p508,p509	ALL	NULL	NULL	NULL	NULL	18	Using where
 DROP TABLE t1;
+create table t1 (a varchar(20))
+partition by range (crc32(md5(a)))
+(partition p0 values less than (100),
+partition p1 values less than maxvalue);
+insert into t1 values ("12345678901234567890");
+insert into t1 values ("A2345678901234567890");
+insert into t1 values ("B2345678901234567890");
+insert into t1 values ("1234567890123456789");
+insert into t1 values ("1234567890123456");
+select * from t1;
+a
+12345678901234567890
+A2345678901234567890
+B2345678901234567890
+1234567890123456789
+1234567890123456
+explain partitions select * from t1 where a = "12345678901234567890";
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	5	Using where
+explain partitions select * from t1 where a = "12345678901234567890" OR
+a = "A2345678901234567890" OR
+a = "B2345678901234567890" OR
+a = "C2345678901234567890";
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	5	Using where
+explain partitions select * from t1 where a = "01234567890123456";
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	5	Using where
+select * from t1 where a = "01234567890123456";
+a
+select * from t1 where a = "12345678901234567890" OR
+a = "A2345678901234567890" OR
+a = "B2345678901234567890" OR
+a = "C2345678901234567890";
+a
+12345678901234567890
+A2345678901234567890
+B2345678901234567890
+select * from t1 where a = "12345678901234567890";
+a
+12345678901234567890
+drop table t1;
--- a/mysql-test/t/partition-master.opt
+++ b/mysql-test/t/partition-master.opt
@@ -0,0 +1 @@
+--symbolic-links=1
--- a/mysql-test/t/partition.test
+++ b/mysql-test/t/partition.test
@@ -13,15 +13,6 @@
 drop table if exists t1;
 --enable_warnings

-#
-# Bug#14367: Partitions: crash if utf8 column
-#
-create table t1 (s1 char(2) character set utf8)
-partition by list (case when s1 > 'cz' then 1 else 2 end)
-(partition p1 values in (1),
- partition p2 values in (2));
-drop table t1;
-
 #
 # Bug 15890: Strange number of partitions accepted
 #
@@ -42,27 +33,6 @@ create table t1 (a int)
 partition by key(a)
 partitions 1e+300;

-#
-# Bug 21173: SHOW TABLE STATUS crashes server in InnoDB
-#
-create table t1 (a int)
-engine = innodb
-partition by key (a);
-show table status;
-insert into t1 values (0), (1), (2), (3);
-show table status;
-drop table t1;
-
-create table t1 (a int auto_increment primary key)
-engine = innodb
-partition by key (a);
-show table status;
-insert into t1 values (NULL), (NULL), (NULL), (NULL);
-show table status;
-insert into t1 values (NULL), (NULL), (NULL), (NULL);
-show table status;
-drop table t1;
-
 #
 # Bug 21350: Data Directory problems
 #
@@ -1193,22 +1163,6 @@ show create table t1;
 set session sql_mode='';
 drop table t1;

-#
-# BUG 19122 Crash after ALTER TABLE t1 REBUILD PARTITION p1
-#
-create table t1 (a int)
-partition by key (a)
-(partition p1 engine = innodb);
-
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-alter table t1 rebuild partition p1;
-drop table t1;
-
 #
 # BUG 19304 Partitions: MERGE handler not allowed in partitioned tables
 #
--- a/mysql-test/t/partition_error.test
+++ b/mysql-test/t/partition_error.test
@@ -8,24 +8,6 @@
 drop table if exists t1;
 --enable_warnings

-#
-# Bug 20397: Partitions: Crash when using non-existing engine
-#
-create table t1 (a int)
-engine = x
-partition by key (a);
-show create table t1;
-drop table t1;
-
-create table t1 (a int)
-engine = innodb
-partition by list (a)
-(partition p0 values in (0));
-
-alter table t1 engine = x;
-show create table t1;
-drop table t1;
-
 #
 # Partition by key stand-alone error
 #
--- a/mysql-test/t/partition_hash.test
+++ b/mysql-test/t/partition_hash.test
@@ -9,6 +9,18 @@
 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
 #
--- a/mysql-test/t/partition_innodb.test
+++ b/mysql-test/t/partition_innodb.test
@@ -8,3 +8,71 @@ create table t1 (a int) engine=innodb partition by hash(a) ;
 show table status like 't1';
 drop table t1;

+#
+# Bug 21173: SHOW TABLE STATUS crashes server in InnoDB
+#
+create table t1 (a int)
+engine = innodb
+partition by key (a);
+show table status;
+insert into t1 values (0), (1), (2), (3);
+show table status;
+drop table t1;
+
+create table t1 (a int auto_increment primary key)
+engine = innodb
+partition by key (a);
+show table status;
+insert into t1 values (NULL), (NULL), (NULL), (NULL);
+show table status;
+insert into t1 values (NULL), (NULL), (NULL), (NULL);
+show table status;
+drop table t1;
+
+#
+# BUG 19122 Crash after ALTER TABLE t1 REBUILD PARTITION p1
+#
+create table t1 (a int)
+partition by key (a)
+(partition p1 engine = innodb);
+
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+alter table t1 rebuild partition p1;
+drop table t1;
+
+#
+# Bug 21339: Crash in Explain Partitions
+#
+create table t1 (a date)
+engine = innodb
+partition by range (year(a))
+(partition p0 values less than (2006),
+ partition p1 values less than (2007));
+explain partitions select * from t1
+where a between '2006-01-01' and '2007-06-01';
+drop table t1;
+
+#
+# Bug 20397: Partitions: Crash when using non-existing engine
+#
+create table t1 (a int)
+engine = x
+partition by key (a);
+show create table t1;
+drop table t1;
+
+create table t1 (a int)
+engine = innodb
+partition by list (a)
+(partition p0 values in (0));
+
+alter table t1 engine = x;
+show create table t1;
+drop table t1;
+
+
--- a/mysql-test/t/partition_pruning.test
+++ b/mysql-test/t/partition_pruning.test
@@ -238,11 +238,14 @@ explain partitions select * from t9 where a <= '2004-12-19';
 drop table t5,t6,t7,t8,t9;

 # Test the case where we can't create partitioning 'index'
-create table t1 (a enum('a','b','c','d') default 'a') 
-  partition by hash (ascii(a)) partitions 2;
-insert into t1 values ('a'),('b'),('c');
-explain partitions select * from t1 where a='b';
-drop table t1;
+#
+# Not supported after bug#18198 is fixed
+#
+#create table t1 (a enum('a','b','c','d') default 'a') 
+#  partition by hash (ascii(a)) partitions 2;
+#insert into t1 values ('a'),('b'),('c');
+#explain partitions select * from t1 where a='b';
+#drop table t1;

 #
 # Test cases for bugs found in code review:
@@ -535,8 +538,9 @@ select * from t1 where f_int1 between 5 and 15 order by f_int1;
 drop table t1;

 #  part2: bug in pruning code
-create table t1 (a char(10)) partition by list(length(a)) (
-  partition p1 values in (1),
+create table t1 (a char(10) binary)
+partition by list(length(a))
+ (partition p1 values in (1),
  partition p2 values in (2),
  partition p3 values in (3),
  partition p4 values in (4),
--- a/mysql-test/t/partition_range.test
+++ b/mysql-test/t/partition_range.test
@@ -10,15 +10,46 @@ drop table if exists t1;
 --enable_warnings

 #
-# Bug 21339: Crash in Explain Partitions
+# BUG 18198: Various tests for partition functions
 #
-create table t1 (a date)
-engine = innodb
-partition by range (year(a))
-(partition p0 values less than (2006),
- partition p1 values less than (2007));
-explain partitions select * from t1
-where a between '2006-01-01' and '2007-06-01';
+create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
+partition by range (length(a) * b)
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 2),('a',3);
+drop table t1;
+
+create table t1 (a varchar(10) charset latin1 collate latin1_bin, b int)
+partition by range (b* length(a) * b)
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 2),('a',3);
+drop table t1;
+
+create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+                 b varchar(10) charset latin1 collate latin1_bin)
+partition by range (length(b) * length(a))
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 'b  '),('a','b');
+drop table t1;
+
+create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+                 b varchar(10) charset latin1 collate latin1_bin)
+partition by range (length(a) * length(b))
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 'b  '),('a','b');
+drop table t1;
+
+create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+                 b varchar(10) charset latin1 collate latin1_bin, c int)
+partition by range (length(a) * c)
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
+drop table t1;
+
+create table t1 (a varchar(10) charset latin1 collate latin1_bin,
+                 b varchar(10) charset latin1 collate latin1_bin, c int)
+partition by range (c * length(a))
+(partition p0 values less than (2), partition p1 values less than (400));
+insert into t1 values ('a ', 'b  ', 2),('a','b', 3);
 drop table t1;

 #
@@ -699,3 +730,32 @@ WHERE (a >= '2004-07-01' AND a <= '2004-09-30') OR
      (a >= '2005-07-01' AND a <= '2005-09-30');
 DROP TABLE t1;

+#
+# Bug 18198: Try with a couple of cases using VARCHAR fields in
+#            partition function.
+create table t1 (a varchar(20))
+partition by range (crc32(md5(a)))
+(partition p0 values less than (100),
+ partition p1 values less than maxvalue);
+
+insert into t1 values ("12345678901234567890");
+insert into t1 values ("A2345678901234567890");
+insert into t1 values ("B2345678901234567890");
+insert into t1 values ("1234567890123456789");
+insert into t1 values ("1234567890123456");
+select * from t1;
+explain partitions select * from t1 where a = "12345678901234567890";
+explain partitions select * from t1 where a = "12345678901234567890" OR
+                                          a = "A2345678901234567890" OR
+                                          a = "B2345678901234567890" OR
+                                          a = "C2345678901234567890";
+explain partitions select * from t1 where a = "01234567890123456";
+select * from t1 where a = "01234567890123456";
+select * from t1 where a = "12345678901234567890" OR
+                       a = "A2345678901234567890" OR
+                       a = "B2345678901234567890" OR
+                       a = "C2345678901234567890";
+select * from t1 where a = "12345678901234567890";
+
+
+drop table t1;