SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 6)
    Function varPop (alias va) (children 1)
     ExpressionList (children 1)
      Identifier a
    Function varPop (alias vb) (children 1)
     ExpressionList (children 1)
      Identifier b
    Function varPop (alias vc) (children 1)
     ExpressionList (children 1)
      Identifier c
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier va
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier vb
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier vc
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier decimal