>Description:
When multiplying a date field with a number( any type ) field for
some values in any of these 2 fields mysql did nt answer to queries.
>How-To-Repeat:
#
# Table structure for table 'testdate'
#
CREATE TABLE testdate (
ID int(11) NOT NULL auto_increment,
DATE time DEFAULT '00:00:00' NOT NULL,
coef decimal(4,2) DEFAULT '0.00' NOT NULL,
PRIMARY KEY (ID)
);
#
# Dumping data for table 'testdate'
#
INSERT INTO testdate VALUES( '1', '15:54:52', '0.75');
INSERT INTO testdate VALUES( '2', '00:17:21', '0.75');
INSERT INTO testdate VALUES( '3', '00:10:00', '0.75');
when executing this query :
mysql> select date,coef,sec_to_time(time_to_sec(date*coef)) from testdate;
+----------+------+-------------------------------------+
| date | coef | sec_to_time(time_to_sec(date*coef)) |
+----------+------+-------------------------------------+
| 15:54:52 | 0.75 | NULL |
| 00:17:21 | 0.75 | NULL |
| 00:10:00 | 0.75 | 00:07:50 |
+----------+------+-------------------------------------+
3 rows in set (0.00 sec)
>Fix:
<how to correct or work around the problem, if known (multiple
lines)>
>Submitter-Id: <submitter ID>
>Originator: Malko ([EMAIL PROTECTED])
>Organization:
<organization of PR author (multiple lines)>
>MySQL support: [none | licence | email support | extended email support ]
>Synopsis:
>Severity: non-critical
>Priority: medium
>Category: mysql
>Class: sw-bug
>Release: mysql-3.23.31 (Official MySQL RPM)
>Server: /usr/bin/mysqladmin Ver 8.13 Distrib 3.23.31, for pc-linux-gnu on
>i686
Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This software comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to modify and redistribute it under the GPL license
Server version 3.23.31
Protocol version 10
Connection Localhost via UNIX socket
UNIX socket /var/lib/mysql/mysql.sock
Uptime: 20 days 4 hours 17 min 53 sec
Threads: 1 Questions: 96455 Slow queries: 0 Opens: 30 Flush tables: 1
Open tables: 10 Queries per second avg: 0.055
>Environment:
<machine, os, target, libraries (multiple lines)>
System: Linux Trex 2.2.18 #2 SMP Thu Feb 8 14:10:31 CET 2001 i686 unknown
Architecture: i686
Some paths: /usr/bin/perl /usr/bin/make /usr/bin/gmake /usr/bin/gcc
/usr/bin/cc
GCC: Reading specs from
/usr/lib/gcc-lib/i386-redhat-linux/egcs-2.91.66/specs
gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)
Compilation info: CC='egcs' CFLAGS='-O6 -fomit-frame-pointer -mpentium'
CXX='egcs' CXXFLAGS='-O6 -fomit-frame-pointer
-felide-constructors -fno-exceptions -fno-rtti -mpentium' LDFLAGS=''
LIBC:
lrwxrwxrwx 1 root root 13 Jan 18 2001 /lib/libc.so.6 ->
libc-2.1.3.so
-rwxr-xr-x 1 root root 4101324 Feb 29 2000 /lib/libc-2.1.3.so
-rw-r--r-- 1 root root 20272704 Feb 29 2000 /usr/lib/libc.a
-rw-r--r-- 1 root root 178 Feb 29 2000 /usr/lib/libc.so
Configure command: ./configure --disable-shared
--with-mysqld-ldflags=-all-static --with-client-ldflags=-all-static
--enable-assembler --with-mysqld-user=mysql
--with-unix-socket-path=/var/lib/mysql/mysql.sock --prefix=/
--with-extra-charsets=complex --exec-prefix=/usr --libexecdir=/usr/sbin
--sysconfdir=/etc --datadir=/usr/share --localstatedir=/var/lib/mysql
--infodir=/usr/info --includedir=/usr/include --mandir=/usr/man
--without-berkeley-db '--with-comment=Official MySQL RPM'
Perl: This is perl, version 5.005_03 built for i386-linux
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