InsertQuery   (children 3)
 Identifier distinct_in_order
 ExpressionList (children 1)
  Identifier a
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function zeros (children 1)
        ExpressionList (children 1)
         Literal UInt64_10
