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If VARCHAR strips only trailing spaces, then produce

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a note, not a warning or error.
This commit is contained in:
bar@mysql.com 2005-01-11 16:49:45 +04:00
parent a55cd1f1c4
commit 691b3283d2
5 changed files with 23 additions and 9 deletions
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4
mysql-test/r/bdb.result
View file

@ -1300,7 +1300,7 @@ insert into t1 values('+ ', '+ ', '+ ');
set @a=repeat(' ',20);
insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
Warnings:
Warning 1265 Data truncated for column 'v' at row 1
Note 1265 Data truncated for column 'v' at row 1
select concat('*',v,'*',c,'*',t,'*') from t1;
concat('*',v,'*',c,'*',t,'*')
*+ *+*+ *
@ -1346,7 +1346,7 @@ t1 CREATE TABLE `t1` (
) ENGINE=BerkeleyDB DEFAULT CHARSET=latin1
alter table t1 modify t varchar(10);
Warnings:
Warning 1265 Data truncated for column 't' at row 2
Note 1265 Data truncated for column 't' at row 2
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (

2
mysql-test/r/heap.result
View file

@ -255,7 +255,7 @@ insert into t1 values('+ ', '+ ', '+ ');
set @a=repeat(' ',20);
insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
Warnings:
Warning 1265 Data truncated for column 'v' at row 1
Note 1265 Data truncated for column 'v' at row 1
select concat('*',v,'*',c,'*',t,'*') from t1;
concat('*',v,'*',c,'*',t,'*')
*+ *+*+ *

4
mysql-test/r/myisam.result
View file

@ -571,7 +571,7 @@ insert into t1 values('+ ', '+ ', '+ ');
set @a=repeat(' ',20);
insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
Warnings:
Warning 1265 Data truncated for column 'v' at row 1
Note 1265 Data truncated for column 'v' at row 1
select concat('*',v,'*',c,'*',t,'*') from t1;
concat('*',v,'*',c,'*',t,'*')
*+ *+*+ *
@ -617,7 +617,7 @@ t1 CREATE TABLE `t1` (
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 modify t varchar(10);
Warnings:
Warning 1265 Data truncated for column 't' at row 2
Note 1265 Data truncated for column 't' at row 2
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (

2
mysql-test/r/strict.result
View file

@ -818,7 +818,6 @@ ERROR 01000: Data truncated for column 'col1' at row 1
INSERT INTO t1 (col2) VALUES ('hellobob');
ERROR 01000: Data truncated for column 'col2' at row 1
INSERT INTO t1 (col2) VALUES ('hello ');
ERROR 01000: Data truncated for column 'col2' at row 1
UPDATE t1 SET col1 ='hellobob' WHERE col1 ='he';
ERROR 01000: Data truncated for column 'col1' at row 2
UPDATE t1 SET col2 ='hellobob' WHERE col2 ='he';
@ -835,6 +834,7 @@ col1 col2
hello hello
he hellot
hello hello
NULL hello
hello hellob
DROP TABLE t1;
CREATE TABLE t1 (col1 enum('red','blue','green'));

20
sql/field.cc
View file

@ -4672,6 +4672,7 @@ int Field_varstring::store(const char *from,uint length,CHARSET_INFO *cs)
uint32 not_used, copy_length;
char buff[80];
String tmpstr(buff,sizeof(buff), &my_charset_bin);
enum MYSQL_ERROR::enum_warning_level level= MYSQL_ERROR::WARN_LEVEL_WARN;
/* Convert character set if nesessary */
if (String::needs_conversion(length, cs, field_charset, &not_used))
@ -4696,11 +4697,24 @@ int Field_varstring::store(const char *from,uint length,CHARSET_INFO *cs)
*ptr= (uchar) copy_length;
else
int2store(ptr, copy_length);
if (copy_length < length)
// Check if we lost something other than just trailing spaces
if ((copy_length < length) && table->in_use->count_cuted_fields)
{
const char *end= from + length;
from+= copy_length;
from+= field_charset->cset->scan(field_charset, from, end, MY_SEQ_SPACES);
/*
If we lost only spaces then produce a NOTE, not a WARNING.
But if we have already had errors (e.g with charset conversion),
then don't reset level to NOTE.
*/
if (from == end && !error)
level= MYSQL_ERROR::WARN_LEVEL_NOTE;
error= 1;
}
if (error)
set_warning(MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARN_DATA_TRUNCATED, 1);
set_warning(level, ER_WARN_DATA_TRUNCATED, 1);
return error;
}