MDEV-4511 Assertion `scale <= precision' fails on GROUP BY TIMEDIFF with incorrect types

1 files changed, 68 insertions, 0 deletions

diff --git a/mysql-test/r/func_time.result b/mysql-test/r/func_time.result
index 400e3fdc544..cebba082ea4 100644
--- a/mysql-test/r/func_time.result
+++ b/mysql-test/r/func_time.result
@@ -1945,6 +1945,74 @@ SELECT 1 FROM DUAL WHERE MINUTE(TIMEDIFF(NULL, '12:12:12'));
 SELECT 1 FROM DUAL WHERE SECOND(TIMEDIFF(NULL, '12:12:12'));
 1
 #
+# MDEV-4511 Assertion `scale <= precision' fails on GROUP BY TIMEDIFF with incorrect types
+#
+CREATE TABLE t1 (a DATE) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('2005-05-04'),('2000-02-23');
+SELECT a FROM t1 GROUP BY TIMEDIFF('2004-06-12',a) * 1;
+a
+2005-05-04
+Warnings:
+Warning	1292	Truncated incorrect time value: '2004-06-12'
+Warning	1292	Truncated incorrect time value: '2004-06-12'
+DROP TABLE t1;
+CREATE TABLE t1 (a DATE) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('2005-05-04'),('2000-02-23');
+SELECT a FROM t1 GROUP BY ADDTIME(a,'10')*1;
+a
+2000-02-23
+2005-05-04
+DROP TABLE t1;
+CREATE TABLE t1 (a DATE) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('2005-05-04'),('2000-02-23');
+SELECT * FROM t1 GROUP BY SEC_TO_TIME(concat(a,'10'))*1;
+a
+2000-02-23
+2005-05-04
+DROP TABLE t1;
+CREATE TABLE t1 (a DATE) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('2005-05-04'),('2000-02-23');
+SELECT * FROM t1 GROUP BY ADDTIME(timestamp('2001-01-01 00:00:00'),CAST(a AS SIGNED)&0xF)*1;
+a
+2005-05-04
+2000-02-23
+DROP TABLE t1;
+CREATE TABLE t1 (a DATE) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('2005-05-04'),('2000-02-23');
+SELECT * FROM t1 GROUP BY STR_TO_DATE(a,concat('%Y-%m-%d.%f',if(rand(),'','')))*1;
+a
+2000-02-23
+2005-05-04
+DROP TABLE t1;
+CREATE TABLE t1 AS SELECT
+STR_TO_DATE('2001-01-01', '%Y-%m-%d') AS date_only,
+STR_TO_DATE('10:10:10', '%H:%i:%s') AS time_only,
+STR_TO_DATE('10:10:10.123', '%H:%i:%s.%f') AS time_microsecond,
+STR_TO_DATE('2001-01-01 10:10:10', '%Y-%m-%d %H:%i:%s') AS date_time,
+STR_TO_DATE('2001-01-01 10:10:10.123', '%Y-%m-%d %H:%i:%s.%f') AS date_time_microsecond;
+SHOW COLUMNS FROM t1;
+Field	Type	Null	Key	Default	Extra
+date_only	date	YES		NULL	
+time_only	time	YES		NULL	
+time_microsecond	time(6)	YES		NULL	
+date_time	datetime	YES		NULL	
+date_time_microsecond	datetime(6)	YES		NULL	
+DROP TABLE t1;
+CREATE TABLE t1 AS SELECT
+SEC_TO_TIME(1)+0.1,
+SEC_TO_TIME(1.1)+0.1,
+SEC_TO_TIME(1.12)+0.1,
+SEC_TO_TIME(1.123456)+0.1,
+SEC_TO_TIME(1.1234567)+0.1;
+SHOW COLUMNS FROM t1;
+Field	Type	Null	Key	Default	Extra
+SEC_TO_TIME(1)+0.1	decimal(12,1)	YES		NULL	
+SEC_TO_TIME(1.1)+0.1	decimal(13,1)	YES		NULL	
+SEC_TO_TIME(1.12)+0.1	decimal(14,2)	YES		NULL	
+SEC_TO_TIME(1.123456)+0.1	decimal(18,6)	YES		NULL	
+SEC_TO_TIME(1.1234567)+0.1	decimal(18,6)	YES		NULL	
+DROP TABLE t1;
+#
 # MDEV-4635 Crash in UNIX_TIMESTAMP(STR_TO_DATE('2020','%Y'))
 #
 SET TIME_ZONE='+02:00';