SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Function tokens (alias tokenized) (children 1)
     ExpressionList (children 2)
      Identifier str
      Literal \'splitByNonAlpha\'
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier tokenized
    Function isConstant (children 1)
     ExpressionList (children 1)
      Identifier tokenized
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab
