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Commit d5db1540 authored by Alexander Nozdrin's avatar Alexander Nozdrin
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Auto-merge from mysql-5.5.

parents b49959f5 a1c762b9
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Showing with 197 additions and 6 deletions
mysql-test/include/ctype_numconv.inc
View file @ d5db1540
......@@ -1765,6 +1765,22 @@ SELECT
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 # Bug#11926811 / Bug#60625 Illegal mix of collations
--echo #
SELECT @@collation_connection;
DELIMITER //;
CREATE PROCEDURE p1()
BEGIN
DECLARE v_LastPaymentDate DATETIME DEFAULT NULL;
SELECT v_LastPaymentDate < NOW();
EXPLAIN EXTENDED SELECT v_LastPaymentDate < NOW();
SHOW WARNINGS;
EXPLAIN EXTENDED SELECT CONCAT(v_LastPaymentDate, NOW());
END//
DELIMITER ;//
CALL p1;
DROP PROCEDURE p1;
--echo #
--echo # Bug#52159 returning time type from function and empty left join causes debug assertion
......
mysql-test/r/ctype_binary.result
View file @ d5db1540
......@@ -2807,6 +2807,32 @@ 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
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;
@@collation_connection
binary
CREATE PROCEDURE p1()
BEGIN
DECLARE v_LastPaymentDate DATETIME DEFAULT NULL;
SELECT v_LastPaymentDate < NOW();
EXPLAIN EXTENDED SELECT v_LastPaymentDate < NOW();
SHOW WARNINGS;
EXPLAIN EXTENDED SELECT CONCAT(v_LastPaymentDate, NOW());
END//
CALL p1;
v_LastPaymentDate < NOW()
NULL
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Level Code Message
Note 1003 select (v_LastPaymentDate@0 < now()) AS `v_LastPaymentDate < NOW()`
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select concat(v_LastPaymentDate@0,now()) AS `CONCAT(v_LastPaymentDate, NOW())`
DROP PROCEDURE p1;
#
# Bug#52159 returning time type from function and empty left join causes debug assertion
#
CREATE FUNCTION f1() RETURNS TIME RETURN 1;
......
mysql-test/r/ctype_cp1251.result
View file @ d5db1540
......@@ -3199,6 +3199,32 @@ 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
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;
@@collation_connection
cp1251_general_ci
CREATE PROCEDURE p1()
BEGIN
DECLARE v_LastPaymentDate DATETIME DEFAULT NULL;
SELECT v_LastPaymentDate < NOW();
EXPLAIN EXTENDED SELECT v_LastPaymentDate < NOW();
SHOW WARNINGS;
EXPLAIN EXTENDED SELECT CONCAT(v_LastPaymentDate, NOW());
END//
CALL p1;
v_LastPaymentDate < NOW()
NULL
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Level Code Message
Note 1003 select (v_LastPaymentDate@0 < now()) AS `v_LastPaymentDate < NOW()`
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select concat(convert(v_LastPaymentDate@0 using cp1251),now()) AS `CONCAT(v_LastPaymentDate, NOW())`
DROP PROCEDURE p1;
#
# Bug#52159 returning time type from function and empty left join causes debug assertion
#
CREATE FUNCTION f1() RETURNS TIME RETURN 1;
......
mysql-test/r/ctype_latin1.result
View file @ d5db1540
......@@ -3226,6 +3226,32 @@ 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
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;
@@collation_connection
latin1_swedish_ci
CREATE PROCEDURE p1()
BEGIN
DECLARE v_LastPaymentDate DATETIME DEFAULT NULL;
SELECT v_LastPaymentDate < NOW();
EXPLAIN EXTENDED SELECT v_LastPaymentDate < NOW();
SHOW WARNINGS;
EXPLAIN EXTENDED SELECT CONCAT(v_LastPaymentDate, NOW());
END//
CALL p1;
v_LastPaymentDate < NOW()
NULL
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Level Code Message
Note 1003 select (v_LastPaymentDate@0 < now()) AS `v_LastPaymentDate < NOW()`
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select concat(v_LastPaymentDate@0,now()) AS `CONCAT(v_LastPaymentDate, NOW())`
DROP PROCEDURE p1;
#
# Bug#52159 returning time type from function and empty left join causes debug assertion
#
CREATE FUNCTION f1() RETURNS TIME RETURN 1;
......
mysql-test/r/ctype_ucs.result
View file @ d5db1540
......@@ -4060,6 +4060,32 @@ 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
0032003000300037002D00300038002D00300032002000320033003A00350039003A00300030 0032003000300037002D00300038002D00300033002000310037003A00330032003A00300030 323030372D30382D3032 323030372D30382D30332031373A33323A3030
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;
@@collation_connection
ucs2_general_ci
CREATE PROCEDURE p1()
BEGIN
DECLARE v_LastPaymentDate DATETIME DEFAULT NULL;
SELECT v_LastPaymentDate < NOW();
EXPLAIN EXTENDED SELECT v_LastPaymentDate < NOW();
SHOW WARNINGS;
EXPLAIN EXTENDED SELECT CONCAT(v_LastPaymentDate, NOW());
END//
CALL p1;
v_LastPaymentDate < NOW()
NULL
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Level Code Message
Note 1003 select (v_LastPaymentDate@0 < now()) AS `v_LastPaymentDate < NOW()`
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select concat(convert(v_LastPaymentDate@0 using ucs2),convert(now() using ucs2)) AS `CONCAT(v_LastPaymentDate, NOW())`
DROP PROCEDURE p1;
#
# Bug#52159 returning time type from function and empty left join causes debug assertion
#
CREATE FUNCTION f1() RETURNS TIME RETURN 1;
......
mysql-test/r/ctype_utf8.result
View file @ d5db1540
......@@ -4938,6 +4938,32 @@ 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
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;
@@collation_connection
utf8_general_ci
CREATE PROCEDURE p1()
BEGIN
DECLARE v_LastPaymentDate DATETIME DEFAULT NULL;
SELECT v_LastPaymentDate < NOW();
EXPLAIN EXTENDED SELECT v_LastPaymentDate < NOW();
SHOW WARNINGS;
EXPLAIN EXTENDED SELECT CONCAT(v_LastPaymentDate, NOW());
END//
CALL p1;
v_LastPaymentDate < NOW()
NULL
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Level Code Message
Note 1003 select (v_LastPaymentDate@0 < now()) AS `v_LastPaymentDate < NOW()`
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select concat(convert(v_LastPaymentDate@0 using utf8),now()) AS `CONCAT(v_LastPaymentDate, NOW())`
DROP PROCEDURE p1;
#
# Bug#52159 returning time type from function and empty left join causes debug assertion
#
CREATE FUNCTION f1() RETURNS TIME RETURN 1;
......
sql/item.cc
View file @ d5db1540
......@@ -1746,7 +1746,8 @@ bool agg_item_collations(DTCollation &c, const char *fname,
}
/* If all arguments where numbers, reset to @@collation_connection */
if (c.derivation == DERIVATION_NUMERIC)
if (flags & MY_COLL_ALLOW_NUMERIC_CONV &&
c.derivation == DERIVATION_NUMERIC)
c.set(Item::default_charset(), DERIVATION_COERCIBLE, MY_REPERTOIRE_NUMERIC);
return FALSE;
......
sql/item.h
View file @ d5db1540
......@@ -53,6 +53,8 @@ char_to_byte_length_safe(uint32 char_length_arg, uint32 mbmaxlen_arg)
(i.e. constant).
MY_COLL_ALLOW_CONV - allow any kind of conversion
(combination of the above two)
MY_COLL_ALLOW_NUMERIC_CONV - if all items were numbers, convert to
@@character_set_connection
MY_COLL_DISALLOW_NONE - don't allow return DERIVATION_NONE
(e.g. when aggregating for comparison)
MY_COLL_CMP_CONV - combination of MY_COLL_ALLOW_CONV
......@@ -62,6 +64,7 @@ char_to_byte_length_safe(uint32 char_length_arg, uint32 mbmaxlen_arg)
#define MY_COLL_ALLOW_SUPERSET_CONV 1
#define MY_COLL_ALLOW_COERCIBLE_CONV 2
#define MY_COLL_DISALLOW_NONE 4
#define MY_COLL_ALLOW_NUMERIC_CONV 8
#define MY_COLL_ALLOW_CONV (MY_COLL_ALLOW_SUPERSET_CONV | MY_COLL_ALLOW_COERCIBLE_CONV)
#define MY_COLL_CMP_CONV (MY_COLL_ALLOW_CONV | MY_COLL_DISALLOW_NONE)
......@@ -1561,7 +1564,8 @@ agg_item_charsets_for_string_result(DTCollation &c, const char *name,
int item_sep= 1)
{
uint flags= MY_COLL_ALLOW_SUPERSET_CONV |
MY_COLL_ALLOW_COERCIBLE_CONV;
MY_COLL_ALLOW_COERCIBLE_CONV |
MY_COLL_ALLOW_NUMERIC_CONV;
return agg_item_charsets(c, name, items, nitems, flags, item_sep);
}
inline bool
......@@ -1574,6 +1578,19 @@ agg_item_charsets_for_comparison(DTCollation &c, const char *name,
MY_COLL_DISALLOW_NONE;
return agg_item_charsets(c, name, items, nitems, flags, item_sep);
}
inline bool
agg_item_charsets_for_string_result_with_comparison(DTCollation &c,
const char *name,
Item **items, uint nitems,
int item_sep= 1)
{
uint flags= MY_COLL_ALLOW_SUPERSET_CONV |
MY_COLL_ALLOW_COERCIBLE_CONV |
MY_COLL_ALLOW_NUMERIC_CONV |
MY_COLL_DISALLOW_NONE;
return agg_item_charsets(c, name, items, nitems, flags, item_sep);
}
class Item_num: public Item_basic_constant
{
......
sql/item_func.cc
View file @ d5db1540
......@@ -2537,7 +2537,8 @@ void Item_func_min_max::fix_length_and_dec()
}
if (cmp_type == STRING_RESULT)
{
agg_arg_charsets_for_comparison(collation, args, arg_count);
agg_arg_charsets_for_string_result_with_comparison(collation,
args, arg_count);
if (datetime_found)
{
thd= current_thd;
......
sql/item_func.h
View file @ d5db1540
......@@ -165,6 +165,11 @@ public:
{
return agg_item_charsets(c, func_name(), items, nitems, flags, item_sep);
}
/*
Aggregate arguments for string result, e.g: CONCAT(a,b)
- convert to @@character_set_connection if all arguments are numbers
- allow DERIVATION_NONE
*/
bool agg_arg_charsets_for_string_result(DTCollation &c,
Item **items, uint nitems,
int item_sep= 1)
......@@ -172,6 +177,11 @@ public:
return agg_item_charsets_for_string_result(c, func_name(),
items, nitems, item_sep);
}
/*
Aggregate arguments for comparison, e.g: a=b, a LIKE b, a RLIKE b
- don't convert to @@character_set_connection if all arguments are numbers
- don't allow DERIVATION_NONE
*/
bool agg_arg_charsets_for_comparison(DTCollation &c,
Item **items, uint nitems,
int item_sep= 1)
......@@ -179,6 +189,21 @@ public:
return agg_item_charsets_for_comparison(c, func_name(),
items, nitems, item_sep);
}
/*
Aggregate arguments for string result, when some comparison
is involved internally, e.g: REPLACE(a,b,c)
- convert to @@character_set_connection if all arguments are numbers
- disallow DERIVATION_NONE
*/
bool agg_arg_charsets_for_string_result_with_comparison(DTCollation &c,
Item **items,
uint nitems,
int item_sep= 1)
{
return agg_item_charsets_for_string_result_with_comparison(c, func_name(),
items, nitems,
item_sep);
}
bool walk(Item_processor processor, bool walk_subquery, uchar *arg);
Item *transform(Item_transformer transformer, uchar *arg);
Item* compile(Item_analyzer analyzer, uchar **arg_p,
......
sql/item_strfunc.cc
View file @ d5db1540
......@@ -1168,7 +1168,7 @@ void Item_func_replace::fix_length_and_dec()
char_length+= max_substrs * (uint) diff;
}
if (agg_arg_charsets_for_comparison(collation, args, 3))
if (agg_arg_charsets_for_string_result_with_comparison(collation, args, 3))
return;
fix_char_length_ulonglong(char_length);
}
......@@ -1458,7 +1458,7 @@ void Item_func_substr::fix_length_and_dec()
void Item_func_substr_index::fix_length_and_dec()
{
if (agg_arg_charsets_for_comparison(collation, args, 2))
if (agg_arg_charsets_for_string_result_with_comparison(collation, args, 2))
return;
fix_char_length(args[0]->max_char_length());
}
......@@ -1797,7 +1797,8 @@ void Item_func_trim::fix_length_and_dec()
{
// Handle character set for args[1] and args[0].
// Note that we pass args[1] as the first item, and args[0] as the second.
if (agg_arg_charsets_for_comparison(collation, &args[1], 2, -1))
if (agg_arg_charsets_for_string_result_with_comparison(collation,
&args[1], 2, -1))
return;
}
fix_char_length(args[0]->max_char_length());
......
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