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Merge olga.mysql.com:/home/igor/mysql-4.1-opt

Browse Source 
into  olga.mysql.com:/home/igor/mysql-5.0-opt
This commit is contained in:
igor@olga.mysql.com
2006-07-19 13:44:37 -07:00
parent ed8eb31412 f201828dd8
commit d1c109ef12
4 changed files with 64 additions and 0 deletions
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28
mysql-test/r/func_str.result
View File

@@ -1053,6 +1053,34 @@ a c
abc abc abc
xyz xyz xyz
DROP TABLE t1;
CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yaddy');
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(test.t1.s) > _latin1'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM('y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(both _latin1'y' from test.t1.s) > _latin1'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(LEADING 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(leading _latin1'y' from test.t1.s) > _latin1'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(TRAILING 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(trailing _latin1'y' from test.t1.s) > _latin1'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(BOTH 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(both _latin1'y' from test.t1.s) > _latin1'ab')
DROP TABLE t1;
End of 4.1 tests
create table t1 (d decimal default null);
insert into t1 values (null);

15
mysql-test/t/func_str.test
View File

@@ -701,6 +701,21 @@ SELECT a, CONCAT(a,' ',a) AS c FROM t1
INSTR(REVERSE(CONCAT(a,' ',a))," ")) = a;
DROP TABLE t1;
#
# Bug#17526: WRONG PRINT for TRIM FUNCTION with two arguments
#
CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yaddy');
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(s) > 'ab';
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM('y' FROM s) > 'ab';
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(LEADING 'y' FROM s) > 'ab';
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(TRAILING 'y' FROM s) > 'ab';
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(BOTH 'y' FROM s) > 'ab';
DROP TABLE t1;
--echo End of 4.1 tests

17
sql/item_strfunc.cc
View File

@@ -1503,6 +1503,23 @@ void Item_func_trim::fix_length_and_dec()
}
}
void Item_func_trim::print(String *str)
{
if (arg_count == 1)
{
Item_func::print(str);
return;
}
str->append(Item_func_trim::func_name());
str->append('(');
str->append(mode_name());
str->append(' ');
args[1]->print(str);
str->append(" from ",6);
args[0]->print(str);
str->append(')');
}
/* Item_func_password */

4
sql/item_strfunc.h
View File

@@ -233,6 +233,8 @@ public:
String *val_str(String *);
void fix_length_and_dec();
const char *func_name() const { return "trim"; }
void print(String *str);
virtual const char *mode_name() const { return "both"; }
};
@@ -243,6 +245,7 @@ public:
Item_func_ltrim(Item *a) :Item_func_trim(a) {}
String *val_str(String *);
const char *func_name() const { return "ltrim"; }
const char *mode_name() const { return "leading"; }
};
@@ -253,6 +256,7 @@ public:
Item_func_rtrim(Item *a) :Item_func_trim(a) {}
String *val_str(String *);
const char *func_name() const { return "rtrim"; }
const char *mode_name() const { return "trailing"; }
};