p:identifier {
     ....
#propertyRef = lookupProperty(#propertyRef,false,true);//do the same as below resolve(#p) if it don't resolved in some case.
     ....
    resolve(#p);//change the class name with the table name and primary id.(em,a in "select a.name from Aclass a" will change to aclassTable.id)
   #propertyRef = #p;
  }

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selectExpr
 : p:propertyRef     { resolveSelectExpression(#p);}//change the type ast text to a reable text.
                                                                                                //   For example, DOT LHS RHS ,before resolveSelectExpression the
                                                                        // ast root text will be DOT(.),after resolveSelectExpression, the ast root
                                                                         // text maybe table alias+column name.
.....

;

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