MONDRIAN: Fix bug 1480627, "ClassCastException using MySQL".
MONDRIAN: Fix bug 1480627, "ClassCastException using MySQL".

[git-p4: depot-paths = "//open/mondrian/": change = 6537]

sayanh/mondrian,bmorrise/mondrian,sayanh/mondrian,mdamour1976/mondrian,openedbox/mondrian,openedbox/mondrian,sayanh/mondrian,wetet2/mondrian,wetet2/mondrian,ivanpogodin/mondrian,rfellows/mondrian,citycloud-bigdata/mondrian,julianhyde/mondrian,cocosli/mondrian,pedrofvteixeira/mondrian,syncron/mondrian,nextelBIS/mondrian,lgrill-pentaho/mondrian,truvenganong/mondrian,Seiferxx/mondrian,bmorrise/mondrian,stiberger/mondrian,pentaho/mondrian,Seiferxx/mondrian,stiberger/mondrian,mustangore/mondrian,ivanpogodin/mondrian,dkincade/mondrian,AvinashPD/mondrian,pentaho/mondrian,truvenganong/mondrian,citycloud-bigdata/mondrian,syncron/mondrian,lgrill-pentaho/mondrian,citycloud-bigdata/mondrian,pentaho/mondrian,preisanalytics/mondrian,AvinashPD/mondrian,bmorrise/mondrian,nextelBIS/mondrian,mdamour1976/mondrian,dkincade/mondrian,truvenganong/mondrian,OSBI/mondrian,cesarmarinhorj/mondrian,cocosli/mondrian,AvinashPD/mondrian,nextelBIS/mondrian,mustangore/mondrian,OSBI/mondrian,syncron/mondrian,preisanalytics/mondrian,dkincade/mondrian,julianhyde/mondrian,wetet2/mondrian,pedrofvteixeira/mondrian,Seiferxx/mondrian,stiberger/mondrian,cesarmarinhorj/mondrian,OSBI/mondrian,preisanalytics/mondrian,cesarmarinhorj/mondrian,pedrofvteixeira/mondrian,rfellows/mondrian,ivanpogodin/mondrian,lgrill-pentaho/mondrian,mustangore/mondrian,mdamour1976/mondrian,cocosli/mondrian,openedbox/mondrian