>Description:
Hi - This may be a silly question, but it looks like
LOAD DATA will load \N into a "NOT NULL" key.
How can I prevent this?
>How-To-Repeat:
Here's an example:
create table quesa (
ident VARCHAR(255) NOT NULL,
size INT,
PRIMARY KEY( ident));
load data local infile "quesa.txt" into table quesa;
========= quesa.txt file contents: ===========
alpha 10
\N 20
gamma 30
========= end file =======================
It replies ...
Records: 3 Deleted: 0 Skipped: 0 Warnings: 1
select * from quesa;
+-------+------+
| ident | size |
+-------+------+
| alpha | 10 |
| | 20 |
| gamma | 30 |
+-------+------+
3 rows in set (0.00 sec)
Questions:
-- How can I view the individual warning messages,
instead of just seeing a count?
-- How can I prevent MySQL from loading NULL fields
into a NOT NULL field?
Many thanks for any hints!
Best regards -
Steve
>Fix:
I wish I knew!
>Submitter-Id: <submitter ID>
>Originator: Steve Sullivan
>Organization:
>MySQL support: [none | licence | email support | extended email support ]
>Synopsis: LOAD DATA puts NULL into NOT NULL key
>Severity: non-critical
>Priority: medium
>Category: mysql
>Class: sw-bug
>Release: mysql-3.22.23b (Source distribution)
>Server: lt-mysqladmin Ver 7.11 Distrib 3.22.23b, for pc-linux-gnu on i686
TCX Datakonsult AB, by Monty
Server version 3.22.23b-log
Protocol version 10
Connection Localhost via UNIX socket
UNIX socket /tmp/mysql.sock
Uptime: 3 hours 25 min 49 sec
Threads: 2 Questions: 217 Slow queries: 0 Opens: 43 Flush tables: 1 Open tables: 5
>Environment:
System: Linux random.mathcom.com 2.2.9 #10 Wed May 19 01:45:21 PDT 1999 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='gcc' CFLAGS='' CXX='c++' CXXFLAGS='' LDFLAGS=''
Configure command: ./configure --prefix=/home/sjs
Perl: This is perl, version 5.005_03 built for i386-linux
