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BUG#49180, fixed MAXVALUE problem

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This commit is contained in:
Mikael Ronstrom 2009-12-02 08:14:22 +01:00
parent 204c5ab9dd
commit 055030457e
3 changed files with 33 additions and 8 deletions
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22
mysql-test/r/partition_column.result
View File

@ -1,4 +1,14 @@
drop table if exists t1;
create table t1 (a int, b int)
partition by range columns (a,b)
( partition p0 values less than (maxvalue, 10),
partition p1 values less than (maxvalue, maxvalue));
ERROR HY000: VALUES LESS THAN value must be strictly increasing for each partition
create table t1 (a int, b int, c int)
partition by range columns (a,b,c)
( partition p0 values less than (1, maxvalue, 10),
partition p1 values less than (1, maxvalue, maxvalue));
ERROR HY000: VALUES LESS THAN value must be strictly increasing for each partition
create table t1 (a varchar(1) character set latin1 collate latin1_general_ci)
partition by range columns(a)
( partition p0 values less than ('a'),
@ -89,7 +99,7 @@ subpartition by hash (to_seconds(d))
subpartitions 4
( partition p0 values less than (1, '0', MAXVALUE, '1900-01-01'),
partition p1 values less than (1, 'a', MAXVALUE, '1999-01-01'),
partition p2 values less than (1, 'a', MAXVALUE, MAXVALUE),
partition p2 values less than (1, 'b', MAXVALUE, MAXVALUE),
partition p3 values less than (1, MAXVALUE, MAXVALUE, MAXVALUE));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";
@ -102,10 +112,10 @@ RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'b',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'b',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'b',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'b',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE
@ -123,7 +133,7 @@ SUBPARTITION BY HASH (to_seconds(d))
SUBPARTITIONS 4
(PARTITION p0 VALUES LESS THAN (1,'0',MAXVALUE,'1900-01-01') ENGINE = MyISAM,
PARTITION p1 VALUES LESS THAN (1,'a',MAXVALUE,'1999-01-01') ENGINE = MyISAM,
PARTITION p2 VALUES LESS THAN (1,'a',MAXVALUE,MAXVALUE) ENGINE = MyISAM,
PARTITION p2 VALUES LESS THAN (1,'b',MAXVALUE,MAXVALUE) ENGINE = MyISAM,
PARTITION p3 VALUES LESS THAN (1,MAXVALUE,MAXVALUE,MAXVALUE) ENGINE = MyISAM) */
drop table t1;
create table t1 (a int, b int)

17
mysql-test/t/partition_column.test
View File

@ -8,6 +8,21 @@
drop table if exists t1;
--enable_warnings
#
# BUG#49180, Possible to define empty intervals for column list partitioning
#
--error ER_RANGE_NOT_INCREASING_ERROR
create table t1 (a int, b int)
partition by range columns (a,b)
( partition p0 values less than (maxvalue, 10),
partition p1 values less than (maxvalue, maxvalue));
--error ER_RANGE_NOT_INCREASING_ERROR
create table t1 (a int, b int, c int)
partition by range columns (a,b,c)
( partition p0 values less than (1, maxvalue, 10),
partition p1 values less than (1, maxvalue, maxvalue));
#
# BUG#48161, Delivering too few records using collate syntax with partitions
#
@ -78,7 +93,7 @@ subpartition by hash (to_seconds(d))
subpartitions 4
( partition p0 values less than (1, '0', MAXVALUE, '1900-01-01'),
partition p1 values less than (1, 'a', MAXVALUE, '1999-01-01'),
partition p2 values less than (1, 'a', MAXVALUE, MAXVALUE),
partition p2 values less than (1, 'b', MAXVALUE, MAXVALUE),
partition p3 values less than (1, MAXVALUE, MAXVALUE, MAXVALUE));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";

2
sql/partition_info.cc
View File

@ -801,7 +801,7 @@ int partition_info::compare_column_values(const void *first_arg,
if (first->max_value || second->max_value)
{
if (first->max_value && second->max_value)
continue;
return 0;
if (second->max_value)
return -1;
else