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MDEV-4841 Wrong character set of ADDTIME() and DATE_ADD()

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This commit is contained in:
Alexander Barkov 2013-08-22 13:59:30 +04:00
parent 879629e6b2
commit 9adb6e991e
14 changed files with 323 additions and 37 deletions
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26
mysql-test/include/ctype_numconv.inc
View File

@ -1743,6 +1743,11 @@ DROP TABLE t1;
--echo # Bug #31384 DATE_ADD() and DATE_SUB() return binary data
--echo #
SELECT @@collation_connection, @@character_set_results;
SELECT
CHARSET(DATE_SUB('2007-08-03', INTERVAL 1 MINUTE)) AS field_str1,
CHARSET(DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE)) AS field_str2,
CHARSET(DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY)) AS field_date,
CHARSET(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
CREATE TABLE t1 AS
SELECT
DATE_SUB('2007-08-03', INTERVAL 1 MINUTE) AS field_str1,
@ -1766,7 +1771,26 @@ SELECT
HEX(DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE)) AS field1_str2,
HEX(DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY)) AS field_date,
HEX(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
--echo #
--echo # MDEV-4841 Wrong character set of ADDTIME() and DATE_ADD()
--echo #
SELECT @@collation_connection, @@character_set_results;
SELECT
CHARSET(ADDTIME(_latin1'10:01:01',_latin1'10:00:00')) AS addtime1,
CHARSET(ADDTIME('10:01:01','10:00:00')) AS addtime2,
CHARSET(DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second)) AS date_add1,
CHARSET(DATE_ADD('2001-01-01 10:01:01',interval 10 second)) AS date_add2;
CREATE TABLE t1 AS
SELECT
ADDTIME(_latin1'10:01:01',_latin1'10:00:00') AS addtime1,
ADDTIME('10:01:01','10:00:00') AS addtime2,
DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second) AS date_add1,
DATE_ADD('2001-01-01 10:01:01',interval 10 second) AS date_add2;
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
--echo #
--echo # Bug#11926811 / Bug#60625 Illegal mix of collations
--echo #

42
mysql-test/r/ctype_binary.result
View File

@ -2777,6 +2777,13 @@ DROP TABLE t1;
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
binary binary
SELECT
CHARSET(DATE_SUB('2007-08-03', INTERVAL 1 MINUTE)) AS field_str1,
CHARSET(DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE)) AS field_str2,
CHARSET(DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY)) AS field_date,
CHARSET(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
field_str1 field_str2 field_date field_datetime
binary binary binary binary
CREATE TABLE t1 AS
SELECT
DATE_SUB('2007-08-03', INTERVAL 1 MINUTE) AS field_str1,
@ -2786,8 +2793,8 @@ DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE) AS field_da
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`field_str1` varchar(26) DEFAULT NULL,
`field1_str2` varchar(26) DEFAULT NULL,
`field_str1` varbinary(26) DEFAULT NULL,
`field1_str2` varbinary(26) DEFAULT NULL,
`field_date` date DEFAULT NULL,
`field_datetime` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
@ -2812,6 +2819,37 @@ HEX(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS fie
field_str1 field1_str2 field_date field_datetime
323030372D30382D30322032333A35393A3030 323030372D30382D30332031373A33323A3030 323030372D30382D3032 323030372D30382D30332031373A33323A3030
#
# MDEV-4841 Wrong character set of ADDTIME() and DATE_ADD()
#
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
binary binary
SELECT
CHARSET(ADDTIME(_latin1'10:01:01',_latin1'10:00:00')) AS addtime1,
CHARSET(ADDTIME('10:01:01','10:00:00')) AS addtime2,
CHARSET(DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second)) AS date_add1,
CHARSET(DATE_ADD('2001-01-01 10:01:01',interval 10 second)) AS date_add2;
addtime1 addtime2 date_add1 date_add2
binary binary binary binary
CREATE TABLE t1 AS
SELECT
ADDTIME(_latin1'10:01:01',_latin1'10:00:00') AS addtime1,
ADDTIME('10:01:01','10:00:00') AS addtime2,
DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second) AS date_add1,
DATE_ADD('2001-01-01 10:01:01',interval 10 second) AS date_add2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`addtime1` varbinary(26) DEFAULT NULL,
`addtime2` varbinary(26) DEFAULT NULL,
`date_add1` varbinary(26) DEFAULT NULL,
`date_add2` varbinary(26) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT * FROM t1;
addtime1 addtime2 date_add1 date_add2
20:01:01 20:01:01 2001-01-01 10:01:11 2001-01-01 10:01:11
DROP TABLE t1;
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;

46
mysql-test/r/ctype_cp1251.result
View File

@ -3169,6 +3169,13 @@ DROP TABLE t1;
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
cp1251_general_ci cp1251
SELECT
CHARSET(DATE_SUB('2007-08-03', INTERVAL 1 MINUTE)) AS field_str1,
CHARSET(DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE)) AS field_str2,
CHARSET(DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY)) AS field_date,
CHARSET(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
field_str1 field_str2 field_date field_datetime
cp1251 cp1251 binary binary
CREATE TABLE t1 AS
SELECT
DATE_SUB('2007-08-03', INTERVAL 1 MINUTE) AS field_str1,
@ -3178,8 +3185,8 @@ DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE) AS field_da
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`field_str1` varchar(26) DEFAULT NULL,
`field1_str2` varchar(26) DEFAULT NULL,
`field_str1` varchar(26) CHARACTER SET cp1251 DEFAULT NULL,
`field1_str2` varchar(26) CHARACTER SET cp1251 DEFAULT NULL,
`field_date` date DEFAULT NULL,
`field_datetime` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
@ -3190,8 +3197,8 @@ DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE) AS field1_str2,
DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY) AS field_date,
DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE) AS field_datetime;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def field_str1 254 26 10 Y 128 31 63
def field1_str2 254 26 19 Y 128 31 63
def field_str1 254 26 10 Y 0 31 51
def field1_str2 254 26 19 Y 0 31 51
def field_date 10 10 10 Y 128 0 63
def field_datetime 12 19 19 Y 128 0 63
field_str1 field1_str2 field_date field_datetime
@ -3204,6 +3211,37 @@ HEX(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS fie
field_str1 field1_str2 field_date field_datetime
323030372D30382D30322032333A35393A3030 323030372D30382D30332031373A33323A3030 323030372D30382D3032 323030372D30382D30332031373A33323A3030
#
# MDEV-4841 Wrong character set of ADDTIME() and DATE_ADD()
#
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
cp1251_general_ci cp1251
SELECT
CHARSET(ADDTIME(_latin1'10:01:01',_latin1'10:00:00')) AS addtime1,
CHARSET(ADDTIME('10:01:01','10:00:00')) AS addtime2,
CHARSET(DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second)) AS date_add1,
CHARSET(DATE_ADD('2001-01-01 10:01:01',interval 10 second)) AS date_add2;
addtime1 addtime2 date_add1 date_add2
cp1251 cp1251 cp1251 cp1251
CREATE TABLE t1 AS
SELECT
ADDTIME(_latin1'10:01:01',_latin1'10:00:00') AS addtime1,
ADDTIME('10:01:01','10:00:00') AS addtime2,
DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second) AS date_add1,
DATE_ADD('2001-01-01 10:01:01',interval 10 second) AS date_add2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`addtime1` varchar(26) CHARACTER SET cp1251 DEFAULT NULL,
`addtime2` varchar(26) CHARACTER SET cp1251 DEFAULT NULL,
`date_add1` varchar(26) CHARACTER SET cp1251 DEFAULT NULL,
`date_add2` varchar(26) CHARACTER SET cp1251 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT * FROM t1;
addtime1 addtime2 date_add1 date_add2
20:01:01 20:01:01 2001-01-01 10:01:11 2001-01-01 10:01:11
DROP TABLE t1;
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;

42
mysql-test/r/ctype_latin1.result
View File

@ -3196,6 +3196,13 @@ DROP TABLE t1;
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
latin1_swedish_ci latin1
SELECT
CHARSET(DATE_SUB('2007-08-03', INTERVAL 1 MINUTE)) AS field_str1,
CHARSET(DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE)) AS field_str2,
CHARSET(DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY)) AS field_date,
CHARSET(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
field_str1 field_str2 field_date field_datetime
latin1 latin1 binary binary
CREATE TABLE t1 AS
SELECT
DATE_SUB('2007-08-03', INTERVAL 1 MINUTE) AS field_str1,
@ -3217,8 +3224,8 @@ DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE) AS field1_str2,
DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY) AS field_date,
DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE) AS field_datetime;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def field_str1 254 26 10 Y 128 31 63
def field1_str2 254 26 19 Y 128 31 63
def field_str1 254 26 10 Y 0 31 8
def field1_str2 254 26 19 Y 0 31 8
def field_date 10 10 10 Y 128 0 63
def field_datetime 12 19 19 Y 128 0 63
field_str1 field1_str2 field_date field_datetime
@ -3231,6 +3238,37 @@ HEX(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS fie
field_str1 field1_str2 field_date field_datetime
323030372D30382D30322032333A35393A3030 323030372D30382D30332031373A33323A3030 323030372D30382D3032 323030372D30382D30332031373A33323A3030
#
# MDEV-4841 Wrong character set of ADDTIME() and DATE_ADD()
#
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
latin1_swedish_ci latin1
SELECT
CHARSET(ADDTIME(_latin1'10:01:01',_latin1'10:00:00')) AS addtime1,
CHARSET(ADDTIME('10:01:01','10:00:00')) AS addtime2,
CHARSET(DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second)) AS date_add1,
CHARSET(DATE_ADD('2001-01-01 10:01:01',interval 10 second)) AS date_add2;
addtime1 addtime2 date_add1 date_add2
latin1 latin1 latin1 latin1
CREATE TABLE t1 AS
SELECT
ADDTIME(_latin1'10:01:01',_latin1'10:00:00') AS addtime1,
ADDTIME('10:01:01','10:00:00') AS addtime2,
DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second) AS date_add1,
DATE_ADD('2001-01-01 10:01:01',interval 10 second) AS date_add2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`addtime1` varchar(26) DEFAULT NULL,
`addtime2` varchar(26) DEFAULT NULL,
`date_add1` varchar(26) DEFAULT NULL,
`date_add2` varchar(26) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT * FROM t1;
addtime1 addtime2 date_add1 date_add2
20:01:01 20:01:01 2001-01-01 10:01:11 2001-01-01 10:01:11
DROP TABLE t1;
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;

48
mysql-test/r/ctype_ucs.result
View File

@ -4105,6 +4105,13 @@ DROP TABLE t1;
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
ucs2_general_ci latin1
SELECT
CHARSET(DATE_SUB('2007-08-03', INTERVAL 1 MINUTE)) AS field_str1,
CHARSET(DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE)) AS field_str2,
CHARSET(DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY)) AS field_date,
CHARSET(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
field_str1 field_str2 field_date field_datetime
ucs2 ucs2 binary binary
CREATE TABLE t1 AS
SELECT
DATE_SUB('2007-08-03', INTERVAL 1 MINUTE) AS field_str1,
@ -4114,8 +4121,8 @@ DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE) AS field_da
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`field_str1` varchar(26) DEFAULT NULL,
`field1_str2` varchar(26) DEFAULT NULL,
`field_str1` varchar(26) CHARACTER SET ucs2 DEFAULT NULL,
`field1_str2` varchar(26) CHARACTER SET ucs2 DEFAULT NULL,
`field_date` date DEFAULT NULL,
`field_datetime` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
@ -4126,8 +4133,8 @@ DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE) AS field1_str2,
DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY) AS field_date,
DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE) AS field_datetime;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def field_str1 254 26 10 Y 128 31 63
def field1_str2 254 26 19 Y 128 31 63
def field_str1 254 26 10 Y 0 31 8
def field1_str2 254 26 19 Y 0 31 8
def field_date 10 10 10 Y 128 0 63
def field_datetime 12 19 19 Y 128 0 63
field_str1 field1_str2 field_date field_datetime
@ -4138,7 +4145,38 @@ HEX(DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE)) AS field1_str2,
HEX(DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY)) AS field_date,
HEX(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
field_str1 field1_str2 field_date field_datetime
323030372D30382D30322032333A35393A3030 323030372D30382D30332031373A33323A3030 323030372D30382D3032 323030372D30382D30332031373A33323A3030
0032003000300037002D00300038002D00300032002000320033003A00350039003A00300030 0032003000300037002D00300038002D00300033002000310037003A00330032003A00300030 323030372D30382D3032 323030372D30382D30332031373A33323A3030
#
# MDEV-4841 Wrong character set of ADDTIME() and DATE_ADD()
#
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
ucs2_general_ci latin1
SELECT
CHARSET(ADDTIME(_latin1'10:01:01',_latin1'10:00:00')) AS addtime1,
CHARSET(ADDTIME('10:01:01','10:00:00')) AS addtime2,
CHARSET(DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second)) AS date_add1,
CHARSET(DATE_ADD('2001-01-01 10:01:01',interval 10 second)) AS date_add2;
addtime1 addtime2 date_add1 date_add2
ucs2 ucs2 ucs2 ucs2
CREATE TABLE t1 AS
SELECT
ADDTIME(_latin1'10:01:01',_latin1'10:00:00') AS addtime1,
ADDTIME('10:01:01','10:00:00') AS addtime2,
DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second) AS date_add1,
DATE_ADD('2001-01-01 10:01:01',interval 10 second) AS date_add2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`addtime1` varchar(26) CHARACTER SET ucs2 DEFAULT NULL,
`addtime2` varchar(26) CHARACTER SET ucs2 DEFAULT NULL,
`date_add1` varchar(26) CHARACTER SET ucs2 DEFAULT NULL,
`date_add2` varchar(26) CHARACTER SET ucs2 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT * FROM t1;
addtime1 addtime2 date_add1 date_add2
20:01:01 20:01:01 2001-01-01 10:01:11 2001-01-01 10:01:11
DROP TABLE t1;
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#

46
mysql-test/r/ctype_utf8.result
View File

@ -4935,6 +4935,13 @@ DROP TABLE t1;
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
utf8_general_ci utf8
SELECT
CHARSET(DATE_SUB('2007-08-03', INTERVAL 1 MINUTE)) AS field_str1,
CHARSET(DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE)) AS field_str2,
CHARSET(DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY)) AS field_date,
CHARSET(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
field_str1 field_str2 field_date field_datetime
utf8 utf8 binary binary
CREATE TABLE t1 AS
SELECT
DATE_SUB('2007-08-03', INTERVAL 1 MINUTE) AS field_str1,
@ -4944,8 +4951,8 @@ DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE) AS field_da
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`field_str1` varchar(26) DEFAULT NULL,
`field1_str2` varchar(26) DEFAULT NULL,
`field_str1` varchar(26) CHARACTER SET utf8 DEFAULT NULL,
`field1_str2` varchar(26) CHARACTER SET utf8 DEFAULT NULL,
`field_date` date DEFAULT NULL,
`field_datetime` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
@ -4956,8 +4963,8 @@ DATE_SUB('2007-08-03 17:33:00', INTERVAL 1 MINUTE) AS field1_str2,
DATE_SUB(DATE('2007-08-03'), INTERVAL 1 DAY) AS field_date,
DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE) AS field_datetime;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def field_str1 254 26 10 Y 128 31 63
def field1_str2 254 26 19 Y 128 31 63
def field_str1 254 78 10 Y 0 31 33
def field1_str2 254 78 19 Y 0 31 33
def field_date 10 10 10 Y 128 0 63
def field_datetime 12 19 19 Y 128 0 63
field_str1 field1_str2 field_date field_datetime
@ -4970,6 +4977,37 @@ HEX(DATE_SUB(CAST('2007-08-03 17:33:00' AS DATETIME), INTERVAL 1 MINUTE)) AS fie
field_str1 field1_str2 field_date field_datetime
323030372D30382D30322032333A35393A3030 323030372D30382D30332031373A33323A3030 323030372D30382D3032 323030372D30382D30332031373A33323A3030
#
# MDEV-4841 Wrong character set of ADDTIME() and DATE_ADD()
#
SELECT @@collation_connection, @@character_set_results;
@@collation_connection @@character_set_results
utf8_general_ci utf8
SELECT
CHARSET(ADDTIME(_latin1'10:01:01',_latin1'10:00:00')) AS addtime1,
CHARSET(ADDTIME('10:01:01','10:00:00')) AS addtime2,
CHARSET(DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second)) AS date_add1,
CHARSET(DATE_ADD('2001-01-01 10:01:01',interval 10 second)) AS date_add2;
addtime1 addtime2 date_add1 date_add2
utf8 utf8 utf8 utf8
CREATE TABLE t1 AS
SELECT
ADDTIME(_latin1'10:01:01',_latin1'10:00:00') AS addtime1,
ADDTIME('10:01:01','10:00:00') AS addtime2,
DATE_ADD(_latin1'2001-01-01 10:01:01',interval 10 second) AS date_add1,
DATE_ADD('2001-01-01 10:01:01',interval 10 second) AS date_add2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`addtime1` varchar(26) CHARACTER SET utf8 DEFAULT NULL,
`addtime2` varchar(26) CHARACTER SET utf8 DEFAULT NULL,
`date_add1` varchar(26) CHARACTER SET utf8 DEFAULT NULL,
`date_add2` varchar(26) CHARACTER SET utf8 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT * FROM t1;
addtime1 addtime2 date_add1 date_add2
20:01:01 20:01:01 2001-01-01 10:01:11 2001-01-01 10:01:11
DROP TABLE t1;
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;

1
sql/item_func.h
View File

@ -41,6 +41,7 @@ protected:
uint allowed_arg_cols;
/* maybe_null can't be changed by parameters or used table state */
bool persistent_maybe_null;
String *val_str_from_val_str_ascii(String *str, String *str2);
public:
uint arg_count;
table_map used_tables_cache, not_null_tables_cache;

2
sql/item_strfunc.cc
View File

@ -78,7 +78,7 @@ String my_empty_string("",default_charset_info);
Normally conversion does not happen, and val_str_ascii() is immediately
returned instead.
*/
String *Item_str_func::val_str_from_val_str_ascii(String *str, String *str2)
String *Item_func::val_str_from_val_str_ascii(String *str, String *str2)
{
DBUG_ASSERT(fixed == 1);

1
sql/item_strfunc.h
View File

@ -64,7 +64,6 @@ public:
enum Item_result result_type () const { return STRING_RESULT; }
void left_right_max_length();
bool fix_fields(THD *thd, Item **ref);
String *val_str_from_val_str_ascii(String *str, String *str2);
};

28
sql/item_timefunc.cc
View File

@ -1438,22 +1438,25 @@ void Item_temporal_func::fix_length_and_dec()
static const uint max_time_type_width[5]=
{ MAX_DATETIME_WIDTH, MAX_DATETIME_WIDTH, MAX_DATE_WIDTH,
MAX_DATETIME_WIDTH, MIN_TIME_WIDTH };
uint char_length= max_time_type_width[mysql_type_to_time_type(field_type())+2];
set_persist_maybe_null(1);
max_length= max_time_type_width[mysql_type_to_time_type(field_type())+2];
if (decimals)
{
if (decimals == NOT_FIXED_DEC)
max_length+= TIME_SECOND_PART_DIGITS + 1;
char_length+= TIME_SECOND_PART_DIGITS + 1;
else
{
set_if_smaller(decimals, TIME_SECOND_PART_DIGITS);
max_length+= decimals + 1;
char_length+= decimals + 1;
}
}
sql_mode= current_thd->variables.sql_mode &
(MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE);
collation.set(&my_charset_numeric, DERIVATION_NUMERIC, MY_REPERTOIRE_ASCII);
collation.set(field_type() == MYSQL_TYPE_STRING ?
default_charset() : &my_charset_numeric,
DERIVATION_NUMERIC, MY_REPERTOIRE_ASCII);
fix_char_length(char_length);
}
String *Item_temporal_func::val_str(String *str)
@ -1484,6 +1487,23 @@ double Item_temporal_func::val_real()
}
String *Item_temporal_hybrid_func::val_str_ascii(String *str)
{
DBUG_ASSERT(fixed == 1);
MYSQL_TIME ltime;
if (get_date(&ltime, 0) ||
(null_value= my_TIME_to_str(&ltime, str, decimals)))
return (String *) 0;
/* Check that the returned timestamp type matches to the function type */
DBUG_ASSERT(cached_field_type == MYSQL_TYPE_STRING ||
ltime.time_type == MYSQL_TIMESTAMP_NONE ||
mysql_type_to_time_type(cached_field_type) == ltime.time_type);
return str;
}
bool Item_func_from_days::get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date)
{
longlong value=args[0]->val_int();

57
sql/item_timefunc.h
View File

@ -505,6 +505,45 @@ public:
};
/**
Abstract class for functions returning TIME, DATE, DATETIME or string values,
whose data type depends on parameters and is set at fix_fields time.
*/
class Item_temporal_hybrid_func: public Item_temporal_func
{
protected:
enum_field_types cached_field_type; // TIME, DATE, DATETIME or STRING
String ascii_buf; // Conversion buffer
public:
Item_temporal_hybrid_func(Item *a,Item *b)
:Item_temporal_func(a,b) {}
enum_field_types field_type() const { return cached_field_type; }
const CHARSET_INFO *charset_for_protocol() const
{
/*
Can return TIME, DATE, DATETIME or VARCHAR depending on arguments.
Send using "binary" when TIME, DATE or DATETIME,
or using collation.collation when VARCHAR
(which is fixed from @@collation_connection in fix_length_and_dec).
*/
DBUG_ASSERT(fixed == 1);
return cached_field_type == MYSQL_TYPE_STRING ?
collation.collation : &my_charset_bin;
}
/**
Return string value in ASCII character set.
*/
String *val_str_ascii(String *str);
/**
Return string value in @@character_set_connection.
*/
String *val_str(String *str)
{
return val_str_from_val_str_ascii(str, &ascii_buf);
}
};
class Item_datefunc :public Item_temporal_func
{
public:
@ -761,17 +800,15 @@ public:
};
class Item_date_add_interval :public Item_temporal_func
class Item_date_add_interval :public Item_temporal_hybrid_func
{
enum_field_types cached_field_type;
public:
const interval_type int_type; // keep it public
const bool date_sub_interval; // keep it public
Item_date_add_interval(Item *a,Item *b,interval_type type_arg,bool neg_arg)
:Item_temporal_func(a,b),int_type(type_arg), date_sub_interval(neg_arg) {}
:Item_temporal_hybrid_func(a,b),int_type(type_arg), date_sub_interval(neg_arg) {}
const char *func_name() const { return "date_add_interval"; }
void fix_length_and_dec();
enum_field_types field_type() const { return cached_field_type; }
bool get_date(MYSQL_TIME *res, ulonglong fuzzy_date);
bool eq(const Item *item, bool binary_cmp) const;
void print(String *str, enum_query_type query_type);
@ -909,16 +946,14 @@ public:
};
class Item_func_add_time :public Item_temporal_func
class Item_func_add_time :public Item_temporal_hybrid_func
{
const bool is_date;
int sign;
enum_field_types cached_field_type;
public:
Item_func_add_time(Item *a, Item *b, bool type_arg, bool neg_arg)
:Item_temporal_func(a, b), is_date(type_arg) { sign= neg_arg ? -1 : 1; }
enum_field_types field_type() const { return cached_field_type; }
:Item_temporal_hybrid_func(a, b), is_date(type_arg) { sign= neg_arg ? -1 : 1; }
void fix_length_and_dec();
bool get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date);
void print(String *str, enum_query_type query_type);
@ -1011,18 +1046,16 @@ public:
};
class Item_func_str_to_date :public Item_temporal_func
class Item_func_str_to_date :public Item_temporal_hybrid_func
{
enum_field_types cached_field_type;
timestamp_type cached_timestamp_type;
bool const_item;
public:
Item_func_str_to_date(Item *a, Item *b)
:Item_temporal_func(a, b), const_item(false)
:Item_temporal_hybrid_func(a, b), const_item(false)
{}
bool get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date);
const char *func_name() const { return "str_to_date"; }
enum_field_types field_type() const { return cached_field_type; }
void fix_length_and_dec();
};

2
sql/sql_const.h
View File

@ -56,7 +56,7 @@
#define MIN_TIME_WIDTH 10 /* -HHH:MM:SS */
#define MAX_TIME_WIDTH 16 /* -DDDDDD HH:MM:SS */
#define MAX_TIME_FULL_WIDTH 23 /* -DDDDDD HH:MM:SS.###### */
#define MAX_DATETIME_FULL_WIDTH 29 /* YYYY-MM-DD HH:MM:SS.###### AM */
#define MAX_DATETIME_FULL_WIDTH 26 /* YYYY-MM-DD HH:MM:SS.###### */
#define MAX_DATETIME_WIDTH 19 /* YYYY-MM-DD HH:MM:SS */
#define MAX_DATETIME_COMPRESSED_WIDTH 14 /* YYYYMMDDHHMMSS */
#define MAX_DATETIME_PRECISION 6

17
sql/sql_time.cc
View File

@ -813,6 +813,23 @@ const char *get_date_time_format_str(KNOWN_DATE_TIME_FORMAT *format,
}
}
/**
Convert TIME/DATE/DATETIME value to String.
@param l_time DATE value
@param OUT str String to convert to
@param dec Number of fractional digits.
*/
bool my_TIME_to_str(const MYSQL_TIME *ltime, String *str, uint dec)
{
if (str->alloc(MAX_DATE_STRING_REP_LENGTH))
return true;
str->set_charset(&my_charset_numeric);
str->length(my_TIME_to_str(ltime, const_cast<char*>(str->ptr()), dec));
return false;
}
void make_truncated_value_warning(THD *thd,
Sql_condition::enum_warning_level level,
const ErrConv *sval,

2
sql/sql_time.h
View File

@ -70,6 +70,8 @@ extern DATE_TIME_FORMAT *date_time_format_copy(THD *thd,
DATE_TIME_FORMAT *format);
const char *get_date_time_format_str(KNOWN_DATE_TIME_FORMAT *format,
timestamp_type type);
bool my_TIME_to_str(const MYSQL_TIME *ltime, String *str, uint dec);
/* MYSQL_TIME operations */
bool date_add_interval(MYSQL_TIME *ltime, interval_type int_type,
INTERVAL interval);