#{茶男與藍牌} » MySQL

MySQL export to csv

茶男 — Mon, 10 Oct 2011 04:26:03 +0000

SELECT id, name, email INTO OUTFILE '/tmp/result.csv' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' ESCAPED BY ‘\\’ LINES TERMINATED BY '\n' FROM users WHERE 1

@see http://dev.mysql.com/doc/refman/5.6/en/load-data.html

PostgreSQL useful SQL statement

茶男 — Fri, 10 Dec 2010 00:25:59 +0000

For functionality similar to mysql SHOW TABLES use:

select * from information_schema.tables where table_schema=’public’ and table_type=’BASE TABLE’

no such file to load — mysql

茶男 — Sun, 21 Jun 2009 12:58:09 +0000

from http://blogs.sun.com/divas/entry/no_such_file_to_load

Rails never fails me. As soon as I publish a series of tutorials for a NetBeans release, a new Rails release comes out which breaks my tutorials (and, apparently, most everyone else’s). Gratefully, some customers took the time to click the Feedback button at the end of our tutorials to let us know [...]

!Statement.GeneratedKeysNotRequested!

茶男 — Wed, 10 Jun 2009 05:48:00 +0000

Happen on version 5.1.7, so switch back to 5.1.6 is the solution…

From http://bugs.mysql.com/bug.php?id=41448

Bug #41448 java.sql.SQLException: !Statement.GeneratedKeysNotRequested! Submitted: 13 Dec 2008 18:22 Modified: 28 May 20:29 Reporter: Rico H. Status: Documenting Category: Connector/J Severity: S1 (Critical) Version: 5.1.7 OS: Linux Assigned to: Target Version: [13 Dec 2008 18:22] Rico H. Description: Hello, Consider [...]

SQLException for zero DATETIME or TIMESTAMP column? Use zeroDateTimeBehavior

茶男 — Fri, 03 Apr 2009 04:05:42 +0000

from http://ondra.zizka.cz/stranky/programovani/java/index.texy

When working with MySQL over JDBC and the driver encounters a zero DATE, TIME, or DATETIME value (that is, e.g, ‚0000–00–00‘ for DATE), an exception is thrown:

java.sql.SQLException: Cannot convert value '0000-00-00 00:00:00' from column 4 to TIMESTAMP.

In this case, using SQL commands like

SET GLOBAL sql_mode = 'NO_ZERO_DATE';

does not [...]

MySQL: Get Next Auto_increment

茶男 — Wed, 28 Jan 2009 13:04:37 +0000

from http://blog.jamiedoris.com/geek/560/ MySQL: Get Next Auto_increment Thursday April 24th, 2003

** It is not recommended to use this method for generating foreign keys for lookups. In a multiuser environment with simultaneous requests the results will be utterly useless and unreliable. OK? **

So I was working on the preview feature of the [...]

MySQL error 1017: errno: 24

茶男 — Tue, 09 Sep 2008 15:40:53 +0000

From Re: Mysqldump error 1017: errno: 24 - help? Yep, that seems to have done it, at least when I'm testing it. I'm pretty sure the problem is fixed, but the next couple of days of automated backups will tell. Thanks! On Tue, 2005-01-11 at 00:43, Gleb Paharenko wrote: > Hello. > > Try [...]