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Merge salvation.intern.azundris.com:/home/tnurnberg/21913/my50-21913

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into  salvation.intern.azundris.com:/home/tnurnberg/21913/my51-21913


sql/sql_string.cc:
  Auto merged
mysql-test/r/func_time.result:
  manual merge
mysql-test/t/func_time.test:
  manual merge
This commit is contained in:
unknown 2006-09-05 22:55:55 +02:00
commit cbf19728f6
3 changed files with 36 additions and 1 deletions
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12
mysql-test/r/func_time.result
View File

@ -911,6 +911,18 @@ union
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H);
H
5
SET NAMES latin1;
SET character_set_results = NULL;
SHOW VARIABLES LIKE 'character_set_results';
Variable_name Value
character_set_results
CREATE TABLE testBug8868 (field1 DATE, field2 VARCHAR(32) CHARACTER SET BINARY);
INSERT INTO testBug8868 VALUES ('2006-09-04', 'abcd');
SELECT DATE_FORMAT(field1,'%b-%e %l:%i%p') as fmtddate, field2 FROM testBug8868;
fmtddate field2
Sep-4 12:00AM abcd
DROP TABLE testBug8868;
SET NAMES DEFAULT;
End of 4.1 tests
explain extended select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a1,
timestampdiff(SQL_TSI_FRAC_SECOND, '2001-02-01 12:59:59.120000', '2001-05-01 12:58:58.119999') as a2;

18
mysql-test/t/func_time.test
View File

@ -464,6 +464,24 @@ union
union
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H);
#
# 21913: DATE_FORMAT() Crashes mysql server if I use it through
# mysql-connector-j driver.
#
SET NAMES latin1;
SET character_set_results = NULL;
SHOW VARIABLES LIKE 'character_set_results';
CREATE TABLE testBug8868 (field1 DATE, field2 VARCHAR(32) CHARACTER SET BINARY);
INSERT INTO testBug8868 VALUES ('2006-09-04', 'abcd');
SELECT DATE_FORMAT(field1,'%b-%e %l:%i%p') as fmtddate, field2 FROM testBug8868;
DROP TABLE testBug8868;
SET NAMES DEFAULT;
--echo End of 4.1 tests
explain extended select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a1,

7
sql/sql_string.cc
View File

@ -238,6 +238,10 @@ bool String::copy(const char *str,uint32 arg_length, CHARSET_INFO *cs)
0 No conversion needed
1 Either character set conversion or adding leading zeros
(e.g. for UCS-2) must be done
NOTE
to_cs may be NULL for "no conversion" if the system variable
character_set_results is NULL.
*/
bool String::needs_conversion(uint32 arg_length,
@ -246,7 +250,8 @@ bool String::needs_conversion(uint32 arg_length,
uint32 *offset)
{
*offset= 0;
if ((to_cs == &my_charset_bin) ||
if (!to_cs ||
(to_cs == &my_charset_bin) ||
(to_cs == from_cs) ||
my_charset_same(from_cs, to_cs) ||
((from_cs == &my_charset_bin) &&