SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 6)
    Function varSamp (alias va) (children 1)
     ExpressionList (children 1)
      Identifier a
    Function varSamp (alias vb) (children 1)
     ExpressionList (children 1)
      Identifier b
    Function varSamp (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