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a proper fix for the bug #2298 Trailing whitespace inconsistently handled in WHERE clause.

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<monty> ramil, in MySQL/MyISAM we should only strip end space, not 'space-like' characters.
<monty> This is according to SQL;  When doing a comparision end space and only end space are ignored.



myisam/mi_key.c:
  a proper fix for the bug #2298 Trailing whitespace inconsistently handled in WHERE clause.
myisam/mi_search.c:
  a proper fix for the bug #2298 Trailing whitespace inconsistently handled in WHERE clause.
mysql-test/r/select.result:
  test case for the bug #2298 Trailing whitespace inconsistently handled in WHERE clause.
mysql-test/t/select.test:
  test case for the bug #2298 Trailing whitespace inconsistently handled in WHERE clause.
sql/sql_string.cc:
  a proper fix for the bug #2298 Trailing whitespace inconsistently handled in WHERE clause.
This commit is contained in:
unknown
2004-01-22 18:05:47 +04:00
parent 2ff0016df3
commit 79f6e16d5e
5 changed files with 46 additions and 10 deletions
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20
mysql-test/r/select.result
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@ -2307,3 +2307,23 @@ left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
id1 id2 id3 id4 id44
1 1 NULL NULL NULL
drop table t1,t2,t3,t4;
create table t1(s varchar(10) not null);
create table t2(s varchar(10) not null primary key);
create table t3(s varchar(10) not null primary key);
insert into t1 values ('one\t'), ('two\t');
insert into t2 values ('one\r'), ('two\t');
insert into t3 values ('one '), ('two\t');
select * from t1 where s = 'one';
s
select * from t2 where s = 'one';
s
select * from t3 where s = 'one';
s
one
select * from t1,t2 where t1.s = t2.s;
s s
two two
select * from t2,t3 where t2.s = t3.s;
s s
two two
drop table t1, t2, t3;

16
mysql-test/t/select.test
View File

@ -1858,3 +1858,19 @@ left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
drop table t1,t2,t3,t4;
#
# Bug #2298
#
create table t1(s varchar(10) not null);
create table t2(s varchar(10) not null primary key);
create table t3(s varchar(10) not null primary key);
insert into t1 values ('one\t'), ('two\t');
insert into t2 values ('one\r'), ('two\t');
insert into t3 values ('one '), ('two\t');
select * from t1 where s = 'one';
select * from t2 where s = 'one';
select * from t3 where s = 'one';
select * from t1,t2 where t1.s = t2.s;
select * from t2,t3 where t2.s = t3.s;
drop table t1, t2, t3;