"Show Full Columns" problem with CFMX and MySQL solved
We've been performing some load testing on a new website we've developed and our helpful sysadmin noticed lots of queries happening on the DB that looked like this: SHOW FULL COLUMNS FROM...
View ArticlePHP and MySQL 5 bit fields
While debugging some PHP code the other night I came across a particularly strange problem with MySQL Bit fields. I was returning a query with some bit fields into my class but the it was not returning...
View ArticleMySQL and Temporary tables and CASE syntax
For some reason I've always avoided the use of temporary tables in SQL (MySQL or otherwise) but today I came across a difficult problem that temporary tables made very simple. I needed to use a case...
View ArticleLoading MySQL timezone info on Linux and Macs
MySQL has some really useful functions that make timezone support a bit easier as described in a previous blog post.. However, you need to do a tiny bit of setup work before you can use the functions....
View ArticleClear MSSQL Query Caches
Found this useful little snippet for when you are load testing MSSQL Servers. You can use it to clear the query cache – to ensure you are starting from a level playing field. Or if you are tuning...
View ArticleIdentifying which queries to tune with MSSQL
I've been doing some more work tuning and CF/MSSQL application and during figuring out which parts of the system is doing the most work (and hence a good candidate for tuning) I came across this gem...
View ArticleMySQL 5.1 logging changes – Log to DB and runtime config
While browsing around the MySQL site last night I discovered a number of nice new features of mysql 5.1 that relate to logging. These are: Logging to DB instead of log files Runtime configuration of...
View ArticleLearnosity are looking for Junior to Mid level Web Application Developers x2
Learnosity develop cutting edge tools for teachers and educators. Our flagship product Learnosity Voice uses the telephone to enable language students and teachers to interact on a one to one level....
View ArticleUsing AWS SimpleDB with Railo and Tomcat
I’ve been working with Amazon Webservices (AWS) and needed to connect to it from some of our railo servers. Getting Setup Here is some documentation for reference and to help others: 1. Get the SDK...
View ArticleGenerate Railo DSN encrypted passwords
When dealing with scripted deployments to production environments it's often very worthwhile to be able to remove any dependencies on the GUI/Web interface and just edit the config files directly. For...
View ArticleCFMX Mysql Query String for UTF8 and Multiple Queries
While testing some of the code we've written for UTF8 support for double byte characters (Chinese, Japanese, Malaysian) I discovered that there are some voodoo JDBC connection string parameters that...
View ArticleMultiple queries with CFMX-MySQL JDBC connector
I found a little snippet the other day and included it in the tail end of a previous post – however, on reflection I thought it deserved a post of it's own. If you want to utilise multiple queries per...
View ArticleCF 7.0.2 Cumulative Hotfix 2 breaks MySQL Multiple Queries
I've just spent a while figuring out a painful bug in CF and am posting here so that I can reference it from the Adobe bug tracker as I can't explain the problem in 2000 characters. Summary of Problem...
View ArticleProtected: AWS RDS PHP connections hanging during failover
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