Re: table locking and priorities
No, I mean you can use an autoincrement field besides your username field. and use that to constructing user name, In this way you will be sure about uniqness and also you can maintain your user name as a text field although its some sort of redundancy. Regards Hi, The username field is text and number so you I can't autoincrement a username like abc003434 ... - Original Message - From: Mohammad Shoja [EMAIL PROTECTED] To: anna soobrattee [EMAIL PROTECTED] Sent: Wednesday, June 13, 2001 11:57 AM Subject: Re: table locking and priorities Hi Anna, Why you dont use auto increment field, Without a sequence (in Oracle) or Autoincrement (in MySQL) how you will be sure about uniquness of your key ? Mohammad Hi All, Can anyone help me... My registration form looks up the last username in the members table (select distinct username from members order by uid desc limit 1), and increments this username (e.g. from abc2 abc3) which will be used as the username for the next user to sign up... the problem occurs when in the time it takes to do an insert, several selects can take place - so i have the case where there are users with the same username (which is not very good at all) Can I force the selects to lock, whilst the insert is taking place? Has anyone got any ideas on how to get aorund this ? Please write back soon! Anna -- Mohammadreza Shojatalab European Bioinformatics InstituteTel: +44 (0)1223 494 669 EMBL Outstation Fax: +44 (0)1223 494 468 Wellcome Trust Genome Campus E-Mail: [EMAIL PROTECTED] Hinxton, Cambridge URL: http://www.ebi.ac.uk/~shoja CB10 1SD, UK - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php -- Mohammadreza Shojatalab European Bioinformatics InstituteTel: +44 (0)1223 494 669 EMBL Outstation Fax: +44 (0)1223 494 468 Wellcome Trust Genome Campus E-Mail: [EMAIL PROTECTED] Hinxton, Cambridge URL: http://www.ebi.ac.uk/~shoja CB10 1SD, UK - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Again MySQL and LOG
Thank you all for your suggestions, I'm using tcsh so I resolve this problem like this: mysql -u root dbname test.sql ! log and its working on command line but the problem is, it doesnt work when I put mentioned statement into a bach file. for example I create a file (createtables) and its contain the following: mysql -T -u root dbname test.sql ! log and assign appropriate permissions and it doesnt work. should I use some specific options or stuff like that ? Why its working in command line Thank you in advance for your helps. regards -- Mohammadreza Shojatalab European Bioinformatics InstituteTel: +44 (0)1223 494 669 EMBL Outstation Fax: +44 (0)1223 494 468 Wellcome Trust Genome Campus E-Mail: [EMAIL PROTECTED] Hinxton, Cambridge URL: http://www.ebi.ac.uk/~shoja CB10 1SD, UK - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: Can't connect to local MySQL server through socket '/tmp/mysql.sock'(2)
Thank you for all your suggestions,
I got it.
the problem was in our web server because of security $ENV{HOME} doesnt
point to my home directory so my .my.cnf file was unreachable.
That's it.
may be It can be helpful for other people as well.
my %attr = (
PrintError =0,
RaiseError =0
);
$dbh = DBI-connect(
DBI:mysql:array;mysql_read_default_file=$ENV{HOME}/.my.cnf,
root,
,
\%attr);
if (defined($dbh)){
print \n Connected successfully, $DBI::errstr;
$rc = STATUS_OK;
$dbh-disconnect;
}
else {
print \n $DBI::errstr\n;
$rc = undef;
}
--
Mohammadreza Shojatalab
European Bioinformatics InstituteTel: +44 (0)1223 494 669
EMBL Outstation Fax: +44 (0)1223 494 468
Wellcome Trust Genome Campus E-Mail: [EMAIL PROTECTED]
Hinxton, Cambridge URL: http://www.ebi.ac.uk/~shoja
CB10 1SD, UK
-
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http://lists.mysql.com/ (the list archive)
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Log
Hello everybody. would you please tell me how can I log execution of a DDL? I have a test.sql which is a DDL file, I wanna log its output but when I try the following it create log file but its empty. mysql -u root databasename test.sql log it Just send errors and logs to STDERR. Thanks you for your helps in advance. Regards -- Mohammadreza Shojatalab European Bioinformatics InstituteTel: +44 (0)1223 494 669 EMBL Outstation Fax: +44 (0)1223 494 468 Wellcome Trust Genome Campus E-Mail: [EMAIL PROTECTED] Hinxton, Cambridge URL: http://www.ebi.ac.uk/~shoja CB10 1SD, UK - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: SELECT question.
I am stuck on a select query and was wondering if someone could help. I have I've written a database app. that helps me run my business (trucking). I need however to write a query that shows me all of the loads that are delivered but not billed (invoiced). Which means that I have to select the loads that are delivered but do not have an entry in the INVOICED table -- since an entry is made in the INVOICED table whenever a load is billed. I know the query below won't work. Can someone please help me fix it? SELECT l.load_no l.date FROM loads l, invoiced i WHERE l.dlvr_date 0 AND l.load_no != i.load_no Thanks, Richard Because MySQL doesnt support subquery I think you have to breake your sql and bring your logic into your bussiness layer. Maybe you can find better solution but at least this can resolve your problem. regards -- Mohammadreza Shojatalab European Bioinformatics InstituteTel: +44 (0)1223 494 669 EMBL Outstation Fax: +44 (0)1223 494 468 Wellcome Trust Genome Campus E-Mail: [EMAIL PROTECTED] Hinxton, Cambridge URL: http://www.ebi.ac.uk/~shoja CB10 1SD, UK - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Log HELP!
Mybe this is not a mysql question but a unix command line question: would you please tell me how can I log execution of a DDL? I have a test.sql which is a DDL file, I wanna log its output but when I try the following it create log file but its empty. mysql -u root databasename test.sql log it Just send errors and logs to STDERR. Thanks you for your helps in advance. Regards -- Mohammadreza Shojatalab European Bioinformatics InstituteTel: +44 (0)1223 494 669 EMBL Outstation Fax: +44 (0)1223 494 468 Wellcome Trust Genome Campus E-Mail: [EMAIL PROTECTED] Hinxton, Cambridge URL: http://www.ebi.ac.uk/~shoja CB10 1SD, UK - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: Can't connect to local MySQL server through socket '/tmp/mysql.sock'(2)
Thanks for your reply The question is why in command line there is no problem? It is looking for /tmp/mysql.sock and the one that exists is /tmp/mysql.sock.shoja Two different files.. It can't find what it is looking for. Try: safe_mysqld --socket=/tmp/mysql.sock and it should work I just had the same problem. thanks, shawn -- Mohammadreza Shojatalab European Bioinformatics InstituteTel: +44 (0)1223 494 669 EMBL Outstation Fax: +44 (0)1223 494 468 Wellcome Trust Genome Campus E-Mail: [EMAIL PROTECTED] Hinxton, Cambridge URL: http://www.ebi.ac.uk/~shoja CB10 1SD, UK - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
