Merge mysqldev@production.mysql.com:/data0/mysqldev/my/mysql-5.0-release

into  zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.0-community


sql/item_func.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged

mysql-test/r/bdb_notembedded.result

@@ -0,0 +1,35 @@
+set autocommit=1;
+reset master;
+create table bug16206 (a int);
+insert into bug16206 values(1);
+start transaction;
+insert into bug16206 values(2);
+commit;
+show binlog events;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+f	n	Format_desc	1	n	Server ver: VERSION, Binlog ver: 4
+f	n	Query	1	n	use `test`; create table bug16206 (a int)
+f	n	Query	1	n	use `test`; insert into bug16206 values(1)
+f	n	Query	1	n	use `test`; insert into bug16206 values(2)
+drop table bug16206;
+reset master;
+create table bug16206 (a int) engine=         bdb;
+insert into bug16206 values(0);
+insert into bug16206 values(1);
+start transaction;
+insert into bug16206 values(2);
+commit;
+insert into bug16206 values(3);
+show binlog events;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+f	n	Format_desc	1	n	Server ver: VERSION, Binlog ver: 4
+f	n	Query	1	n	use `test`; create table bug16206 (a int) engine=         bdb
+f	n	Query	1	n	use `test`; insert into bug16206 values(0)
+f	n	Query	1	n	use `test`; insert into bug16206 values(1)
+f	n	Query	1	n	use `test`; BEGIN
+f	n	Query	1	n	use `test`; insert into bug16206 values(2)
+f	n	Query	1	n	use `test`; COMMIT
+f	n	Query	1	n	use `test`; insert into bug16206 values(3)
+drop table bug16206;
+set autocommit=0;
+End of 5.0 tests

mysql-test/r/derived.result

@@ -326,7 +326,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 2	DERIVED	t2	index	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
 drop table t2;
 CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY  (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`));
-insert into t1 values (128, 'rozn', 2, now(), 10),(128, 'rozn', 1, now(), 10);
+insert into t1 values (128, 'rozn', 2, curdate(), 10),
+(128, 'rozn', 1, curdate(), 10);
 SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND  grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices;
 min	max	avg
 10.00	10.00	10

mysql-test/r/ps_2myisam.result

@@ -2973,11 +2973,13 @@ Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
@@ -3011,7 +3013,6 @@ Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1
 Warnings:
-Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1

mysql-test/r/ps_3innodb.result

@@ -2956,11 +2956,13 @@ Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
@@ -2994,7 +2996,6 @@ Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1
 Warnings:
-Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1

mysql-test/r/ps_4heap.result

@@ -2957,11 +2957,13 @@ Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
@@ -2995,7 +2997,6 @@ Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1
 Warnings:
-Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1

mysql-test/r/ps_5merge.result

@@ -2893,11 +2893,13 @@ Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
@@ -2931,7 +2933,6 @@ Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1
 Warnings:
-Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1
@@ -5914,11 +5915,13 @@ Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
@@ -5952,7 +5955,6 @@ Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1
 Warnings:
-Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1

mysql-test/r/ps_6bdb.result

@@ -2956,11 +2956,13 @@ Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
@@ -2994,7 +2996,6 @@ Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1
 Warnings:
-Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1

mysql-test/r/ps_7ndb.result

@@ -2956,11 +2956,13 @@ Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
+Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c17' at row 1
 Warnings:
 Note	1265	Data truncated for column 'c13' at row 1
@@ -2994,7 +2996,6 @@ Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1
 Warnings:
-Note	1265	Data truncated for column 'c13' at row 1
 Warning	1265	Data truncated for column 'c15' at row 1
 Warning	1264	Out of range value adjusted for column 'c16' at row 1
 Warning	1264	Out of range value adjusted for column 'c17' at row 1

mysql-test/r/sp.result

@@ -6389,4 +6389,180 @@ DROP TABLE t1;
 
 DROP PROCEDURE p1;
 DROP PROCEDURE p2;
+
+#
+# Bug#31035.
+#
+
+#
+# - Prepare.
+#
+
+DROP TABLE IF EXISTS t1;
+DROP FUNCTION IF EXISTS f1;
+DROP FUNCTION IF EXISTS f2;
+DROP FUNCTION IF EXISTS f3;
+DROP FUNCTION IF EXISTS f4;
+
+#
+# - Create required objects.
+#
+
+CREATE TABLE t1(c1 INT);
+
+INSERT INTO t1 VALUES (1), (2), (3);
+
+CREATE FUNCTION f1()
+RETURNS INT
+NOT DETERMINISTIC
+RETURN 1;
+
+CREATE FUNCTION f2(p INT)
+RETURNS INT
+NOT DETERMINISTIC
+RETURN 1;
+
+CREATE FUNCTION f3()
+RETURNS INT
+DETERMINISTIC
+RETURN 1;
+
+CREATE FUNCTION f4(p INT)
+RETURNS INT
+DETERMINISTIC
+RETURN 1;
+
+#
+# - Check.
+#
+
+SELECT f1() AS a FROM t1 GROUP BY a;
+a
+1
+
+SELECT f2(@a) AS a FROM t1 GROUP BY a;
+a
+1
+
+SELECT f3() AS a FROM t1 GROUP BY a;
+a
+1
+
+SELECT f4(0) AS a FROM t1 GROUP BY a;
+a
+1
+
+SELECT f4(@a) AS a FROM t1 GROUP BY a;
+a
+1
+
+#
+# - Cleanup.
+#
+
+DROP TABLE t1;
+DROP FUNCTION f1;
+DROP FUNCTION f2;
+DROP FUNCTION f3;
+DROP FUNCTION f4;
+
+#
+# Bug#31191.
+#
+
+#
+# - Prepare.
+#
+
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+DROP FUNCTION IF EXISTS f1;
+
+#
+# - Create required objects.
+#
+
+CREATE TABLE t1 (
+id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+barcode INT(8) UNSIGNED ZEROFILL nOT NULL,
+PRIMARY KEY  (id),
+UNIQUE KEY barcode (barcode)
+);
+
+INSERT INTO t1 (id, barcode) VALUES (1, 12345678);
+INSERT INTO t1 (id, barcode) VALUES (2, 12345679);
+
+CREATE TABLE test.t2 (
+id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+barcode BIGINT(11) UNSIGNED ZEROFILL NOT NULL,
+PRIMARY KEY  (id)
+);
+
+INSERT INTO test.t2 (id, barcode) VALUES (1, 12345106708);
+INSERT INTO test.t2 (id, barcode) VALUES (2, 12345106709);
+
+CREATE FUNCTION f1(p INT(8))
+RETURNS BIGINT(11) UNSIGNED
+READS SQL DATA
+RETURN FLOOR(p/1000)*1000000 + 100000 + FLOOR((p MOD 1000)/10)*100 + (p MOD 10);
+
+#
+# - Check.
+#
+
+SELECT DISTINCT t1.barcode, f1(t1.barcode)
+FROM t1
+INNER JOIN t2
+ON f1(t1.barcode) = t2.barcode
+WHERE t1.barcode=12345678;
+barcode	f1(t1.barcode)
+12345678	12345106708
+
+#
+# - Cleanup.
+#
+
+DROP TABLE t1;
+DROP TABLE t2;
+DROP FUNCTION f1;
+
+#
+# Bug#31226.
+#
+
+#
+# - Prepare.
+#
+
+DROP TABLE IF EXISTS t1;
+DROP FUNCTION IF EXISTS f1;
+
+#
+# - Create required objects.
+#
+
+CREATE TABLE t1(id INT);
+
+INSERT INTO t1 VALUES (1), (2), (3);
+
+CREATE FUNCTION f1()
+RETURNS DATETIME
+NOT DETERMINISTIC NO SQL
+RETURN NOW();
+
+#
+# - Check.
+#
+
+SELECT f1() FROM t1 GROUP BY 1;
+f1()
+<timestamp>
+
+#
+# - Cleanup.
+#
+
+DROP TABLE t1;
+DROP FUNCTION f1;
+
 End of 5.0 tests

mysql-test/r/type_date.result

@@ -136,3 +136,33 @@ d	dt	ts
 0000-00-00	0000-00-00 00:00:00	0000-00-00 00:00:00
 2001-11-11	2001-11-11 00:00:00	2001-11-11 00:00:00
 drop table t1;
+CREATE TABLE t1 (a DATE, b int, PRIMARY KEY (a,b));
+INSERT INTO t1 VALUES (DATE(NOW()), 1);
+SELECT COUNT(*) FROM t1 WHERE a = NOW();
+COUNT(*)
+0
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+INSERT INTO t1 VALUES (DATE(NOW()), 2);
+SELECT COUNT(*) FROM t1 WHERE a = NOW();
+COUNT(*)
+0
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
+COUNT(*)
+0
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+ALTER TABLE t1 DROP PRIMARY KEY;
+SELECT COUNT(*) FROM t1 WHERE a = NOW();
+COUNT(*)
+0
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+DROP TABLE t1;
+End of 5.0 tests

mysql-test/r/type_datetime.result

@@ -59,6 +59,8 @@ t
 drop table t1;
 CREATE TABLE t1 (a timestamp, b date, c time, d datetime);
 insert into t1 (b,c,d) values(now(),curtime(),now());
+Warnings:
+Note	1265	Data truncated for column 'b' at row 1
 select date_format(a,"%Y-%m-%d")=b,right(a+0,6)=c+0,a=d+0 from t1;
 date_format(a,"%Y-%m-%d")=b	right(a+0,6)=c+0	a=d+0
 1	1	1

mysql-test/t/bdb_notembedded.test

@@ -0,0 +1,38 @@
+-- source include/not_embedded.inc
+-- source include/have_bdb.inc
+
+#
+# Bug #16206: Superfluous COMMIT event in binlog when updating BDB in autocommit mode
+#
+set autocommit=1;
+
+let $VERSION=`select version()`;
+
+reset master;
+create table bug16206 (a int);
+insert into bug16206 values(1);
+start transaction;
+insert into bug16206 values(2);
+commit;
+--replace_result $VERSION VERSION
+--replace_column 1 f 2 n 5 n
+show binlog events;
+drop table bug16206;
+
+reset master;
+create table bug16206 (a int) engine=         bdb;
+insert into bug16206 values(0);
+insert into bug16206 values(1);
+start transaction;
+insert into bug16206 values(2);
+commit;
+insert into bug16206 values(3);
+--replace_result $VERSION VERSION
+--replace_column 1 f 2 n 5 n
+show binlog events;
+drop table bug16206;
+
+set autocommit=0;
+
+
+--echo End of 5.0 tests

mysql-test/t/derived.test

@@ -211,7 +211,8 @@ drop table t2;
 # select list counter
 #
 CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY  (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`));
-insert into t1 values (128, 'rozn', 2, now(), 10),(128, 'rozn', 1, now(), 10);
+insert into t1 values (128, 'rozn', 2, curdate(), 10),
+  (128, 'rozn', 1, curdate(), 10);
 SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND  grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices;
 DROP TABLE t1;
 

mysql-test/t/sp.test

@@ -7387,4 +7387,294 @@ DROP TABLE t1;
 DROP PROCEDURE p1;
 DROP PROCEDURE p2;
 
+###########################################################################
+
+#
+# Bug#31035: select from function, group by result crasher.
+#
+
+###########################################################################
+
+--echo
+
+--echo #
+--echo # Bug#31035.
+--echo #
+
+--echo
+
+--echo #
+--echo # - Prepare.
+--echo #
+
+--echo
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+DROP FUNCTION IF EXISTS f1;
+DROP FUNCTION IF EXISTS f2;
+DROP FUNCTION IF EXISTS f3;
+DROP FUNCTION IF EXISTS f4;
+--enable_warnings
+
+--echo
+
+--echo #
+--echo # - Create required objects.
+--echo #
+
+--echo
+
+CREATE TABLE t1(c1 INT);
+
+--echo
+
+INSERT INTO t1 VALUES (1), (2), (3);
+
+--echo
+
+CREATE FUNCTION f1()
+  RETURNS INT
+  NOT DETERMINISTIC
+    RETURN 1;
+
+--echo
+
+CREATE FUNCTION f2(p INT)
+  RETURNS INT
+  NOT DETERMINISTIC
+    RETURN 1;
+
+--echo
+
+CREATE FUNCTION f3()
+  RETURNS INT
+  DETERMINISTIC
+    RETURN 1;
+
+--echo
+
+CREATE FUNCTION f4(p INT)
+  RETURNS INT
+  DETERMINISTIC
+    RETURN 1;
+
+--echo
+
+--echo #
+--echo # - Check.
+--echo #
+
+--echo
+
+# Not deterministic function, no arguments.
+
+SELECT f1() AS a FROM t1 GROUP BY a;
+
+--echo
+
+# Not deterministic function, non-constant argument.
+
+SELECT f2(@a) AS a FROM t1 GROUP BY a;
+
+--echo
+
+# Deterministic function, no arguments.
+
+SELECT f3() AS a FROM t1 GROUP BY a;
+
+--echo
+
+# Deterministic function, constant argument.
+
+SELECT f4(0) AS a FROM t1 GROUP BY a;
+
+--echo
+
+# Deterministic function, non-constant argument.
+
+SELECT f4(@a) AS a FROM t1 GROUP BY a;
+
+--echo
+
+--echo #
+--echo # - Cleanup.
+--echo #
+
+--echo
+
+DROP TABLE t1;
+DROP FUNCTION f1;
+DROP FUNCTION f2;
+DROP FUNCTION f3;
+DROP FUNCTION f4;
+
+--echo
+
+###########################################################################
+
+#
+# Bug#31191: JOIN in combination with stored function crashes the server.
+#
+
+###########################################################################
+
+--echo #
+--echo # Bug#31191.
+--echo #
+
+--echo
+
+--echo #
+--echo # - Prepare.
+--echo #
+
+--echo
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+DROP FUNCTION IF EXISTS f1;
+--enable_warnings
+
+--echo
+
+--echo #
+--echo # - Create required objects.
+--echo #
+
+--echo
+
+CREATE TABLE t1 (
+   id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+   barcode INT(8) UNSIGNED ZEROFILL nOT NULL,
+   PRIMARY KEY  (id),
+   UNIQUE KEY barcode (barcode)
+);
+
+--echo
+
+INSERT INTO t1 (id, barcode) VALUES (1, 12345678);
+INSERT INTO t1 (id, barcode) VALUES (2, 12345679);
+
+--echo
+
+CREATE TABLE test.t2 (
+   id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+   barcode BIGINT(11) UNSIGNED ZEROFILL NOT NULL,
+   PRIMARY KEY  (id)
+);
+
+--echo
+
+INSERT INTO test.t2 (id, barcode) VALUES (1, 12345106708);
+INSERT INTO test.t2 (id, barcode) VALUES (2, 12345106709);
+
+--echo
+
+CREATE FUNCTION f1(p INT(8))
+  RETURNS BIGINT(11) UNSIGNED
+  READS SQL DATA
+    RETURN FLOOR(p/1000)*1000000 + 100000 + FLOOR((p MOD 1000)/10)*100 + (p MOD 10);
+
+--echo
+
+--echo #
+--echo # - Check.
+--echo #
+
+--echo
+
+SELECT DISTINCT t1.barcode, f1(t1.barcode)
+FROM t1
+INNER JOIN t2
+ON f1(t1.barcode) = t2.barcode
+WHERE t1.barcode=12345678;
+
+--echo
+
+--echo #
+--echo # - Cleanup.
+--echo #
+
+--echo
+
+DROP TABLE t1;
+DROP TABLE t2;
+DROP FUNCTION f1;
+
+--echo
+
+###########################################################################
+
+#
+# Bug#31226: Group by function crashes mysql.
+#
+
+###########################################################################
+
+--echo #
+--echo # Bug#31226.
+--echo #
+
+--echo
+
+--echo #
+--echo # - Prepare.
+--echo #
+
+--echo
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+DROP FUNCTION IF EXISTS f1;
+--enable_warnings
+
+--echo
+
+--echo #
+--echo # - Create required objects.
+--echo #
+
+--echo
+
+CREATE TABLE t1(id INT);
+
+--echo
+
+INSERT INTO t1 VALUES (1), (2), (3);
+
+--echo
+
+CREATE FUNCTION f1()
+  RETURNS DATETIME
+  NOT DETERMINISTIC NO SQL
+    RETURN NOW();
+
+--echo
+
+--echo #
+--echo # - Check.
+--echo #
+
+--echo
+
+--replace_column 1 <timestamp>
+SELECT f1() FROM t1 GROUP BY 1;
+
+--echo
+
+--echo #
+--echo # - Cleanup.
+--echo #
+
+--echo
+
+DROP TABLE t1;
+DROP FUNCTION f1;
+
+--echo
+
+###########################################################################
+
 --echo End of 5.0 tests

mysql-test/t/type_date.test

@@ -136,3 +136,24 @@ insert into t1 values (9912101,9912101,9912101);
 insert into t1 values (11111,11111,11111);
 select * from t1;
 drop table t1;
+
+#
+# Bug #31221: Optimizer incorrectly identifies impossible WHERE clause
+#
+
+CREATE TABLE t1 (a DATE, b int, PRIMARY KEY (a,b));
+INSERT INTO t1 VALUES (DATE(NOW()), 1);
+SELECT COUNT(*) FROM t1 WHERE a = NOW();
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
+INSERT INTO t1 VALUES (DATE(NOW()), 2);
+SELECT COUNT(*) FROM t1 WHERE a = NOW();
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
+SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
+ALTER TABLE t1 DROP PRIMARY KEY;
+SELECT COUNT(*) FROM t1 WHERE a = NOW();
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
+
+DROP TABLE t1;
+
+--echo End of 5.0 tests

sql/field.cc

@@ -5272,7 +5272,7 @@ int Field_newdate::store(const char *from,uint len,CHARSET_INFO *cs)
   {
     tmp= l_time.day + l_time.month*32 + l_time.year*16*32;
     if (!error && (ret != MYSQL_TIMESTAMP_DATE) &&
-        thd->count_cuted_fields != CHECK_FIELD_IGNORE)
+        (l_time.hour || l_time.minute || l_time.second || l_time.second_part))
       error= 3;                                 // Datetime was cut (note)
   }
 
@@ -5319,10 +5319,16 @@ int Field_newdate::store(longlong nr, bool unsigned_val)
   else
     tmp= l_time.day + l_time.month*32 + l_time.year*16*32;
 
+  if (!error && l_time.time_type != MYSQL_TIMESTAMP_DATE &&
+      (l_time.hour || l_time.minute || l_time.second || l_time.second_part))
+    error= 3;
+
   if (error)
-    set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
+    set_datetime_warning(error == 3 ? MYSQL_ERROR::WARN_LEVEL_NOTE :
-                         error == 2 ? ER_WARN_DATA_OUT_OF_RANGE :
+                         MYSQL_ERROR::WARN_LEVEL_WARN,
-                         WARN_DATA_TRUNCATED,nr,MYSQL_TIMESTAMP_DATE, 1);
+                         error == 2 ? 
+                         ER_WARN_DATA_OUT_OF_RANGE : WARN_DATA_TRUNCATED,
+                         nr,MYSQL_TIMESTAMP_DATE, 1);
 
   int3store(ptr,tmp);
   return error;
@@ -5349,6 +5355,17 @@ int Field_newdate::store_time(MYSQL_TIME *ltime, timestamp_type time_type)
       set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN, WARN_DATA_TRUNCATED,
                            str.ptr(), str.length(), MYSQL_TIMESTAMP_DATE, 1);
     }
+    if (!error && ltime->time_type != MYSQL_TIMESTAMP_DATE &&
+        (ltime->hour || ltime->minute || ltime->second || ltime->second_part))
+    {
+      char buff[MAX_DATE_STRING_REP_LENGTH];
+      String str(buff, sizeof(buff), &my_charset_latin1);
+      make_datetime((DATE_TIME_FORMAT *) 0, ltime, &str);
+      set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_NOTE,
+                           WARN_DATA_TRUNCATED,
+                           str.ptr(), str.length(), MYSQL_TIMESTAMP_DATE, 1);
+      error= 3;
+    }
   }
   else
   {

sql/item_func.cc

@@ -5583,8 +5583,13 @@ Item_func_sp::fix_fields(THD *thd, Item **ref)
     
 #endif /* ! NO_EMBEDDED_ACCESS_CHECKS */
   }
+
   if (!m_sp->m_chistics->detistic)
-   used_tables_cache |= RAND_TABLE_BIT;
+  {
+    used_tables_cache |= RAND_TABLE_BIT;
+    const_item_cache= FALSE;
+  }
+
   DBUG_RETURN(res);
 }
 
@@ -5592,6 +5597,10 @@ Item_func_sp::fix_fields(THD *thd, Item **ref)
 void Item_func_sp::update_used_tables()
 {
   Item_func::update_used_tables();
+
   if (!m_sp->m_chistics->detistic)
-   used_tables_cache |= RAND_TABLE_BIT;
+  {
+    used_tables_cache |= RAND_TABLE_BIT;
+    const_item_cache= FALSE;
+  }
 }

sql/item_timefunc.cc

@@ -1603,8 +1603,7 @@ bool Item_func_now::get_date(MYSQL_TIME *res,
 int Item_func_now::save_in_field(Field *to, bool no_conversions)
 {
   to->set_notnull();
-  to->store_time(&ltime, MYSQL_TIMESTAMP_DATETIME);
+  return to->store_time(&ltime, MYSQL_TIMESTAMP_DATETIME);
-  return 0;
 }
 
 

sql/sql_cache.cc

@@ -1035,12 +1035,14 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
   Query_cache_block_table *block_table, *block_table_end;
   ulong tot_length;
   Query_cache_query_flags flags;
+#ifndef __WIN__
   const uint spin_treshold= 50000;
   const double lock_time_treshold= 0.1; /* Time in seconds */
   uint spin_count= 0;
   int lock_status= 0;
   ulong new_time= 0;
   ulong stop_time= 0;
+#endif
 
   DBUG_ENTER("Query_cache::send_result_to_client");
 
@@ -1088,6 +1090,9 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
     }
   }
 
+#ifdef __WIN__
+  STRUCT_LOCK(&structure_guard_mutex);
+#else
   stop_time= my_clock()+(ulong)lock_time_treshold*CLOCKS_PER_SEC;
   while ((lock_status= pthread_mutex_trylock(&structure_guard_mutex)) == EBUSY
          && spin_count < spin_treshold
@@ -1110,6 +1115,7 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
     thd->lex->safe_to_cache_query= FALSE; 
     goto err;
   }
+#endif
 
   if (query_cache_size == 0 || flush_in_progress)
   {