ColdFusion detection in Connector/J 5.1.2 beta

Hello,

I noticed that the latest Connector/J version auto-detects ColdFusion
and does some configuration, which is great.  The code for doing this in
com.mysql.jdbc.Util.java isn't so great however:

                //
                // Detect the ColdFusion MX environment
                // 
                // Unfortunately, no easy-to-discern classes are
available
                // to our classloader to check...
                //
                
                String loadedFrom = stackTraceToString(new Throwable());
                
                if (loadedFrom != null) {
                        isColdFusion = loadedFrom.indexOf("coldfusion")
!= -1;
                } else {
                        isColdFusion = false;
                }

Might I suggest something like the following code?

        try
        {
            Class cf = Class.forName("coldfusion.Version");
            isColdFusion = true;
            // Methods available are:
            //     String getProductName()
            //     String getMajor();
            //     String getMinor();
            //     String getServicePack();
            Method getMajor = cf.getMethod("getMajor", new Class[] {} );
            String version = (String) getMajor.invoke(null, null);
            if (Integer.getInteger(version).intValue() >= 8) {
                // We can turn back on the calls to isCaseSensitive() in
CF
 
System.setProperty("coldfusion.mysql.enableiscasesensitive", "true");
            }        }
        catch (Exception e)
        {
            // ignore, default is isColdFusion = false;
        }

Also note that in the next major release of ColdFusion (8.0) which will
be released very soon we have worked around the MySql problem of round
tripping to the server when isCaseSensitive() is called by detecting a
mysql ResultSet and not doing this.  Using the new driver this isn't
necessary and you can turn back on the behavior by defining a Java
System property
   -Dcoldfusion.mysql.enableiscasesensitive=true

In any case, thanks for adding this configuration optimization - this
will make our mutual customers happy!

I would be happy to answer any other ColdFusion specific questions the
MySQL team might have - contact me at tjordahl at adobe.com.

Thanks!

--
Tom Jordahl
Adobe ColdFusion Team


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