SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Function uniqExact (children 1)
     ExpressionList (children 1)
      Identifier v1
    Function uniqExact (children 1)
     ExpressionList (children 1)
      Identifier v2
    Function uniqExact (children 1)
     ExpressionList (children 1)
      Identifier v3
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_table
   Function not (children 1)
    ExpressionList (children 1)
     Function ignore (children 1)
      ExpressionList (children 1)
       Asterisk
