if ( explaining(InfoLevel.INFO, logExec, context) )
{
// One line or indented multiline format
IndentedLineBuffer iBuff = new IndentedLineBuffer() ;
if ( true )
iBuff.incIndent() ;
else
iBuff.setFlatMode(true) ;
query.serialize(iBuff) ;
String x = iBuff.asString() ;
_explain(logExec, message, x, true) ;