SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Literal UInt64_1
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t0
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t0 (alias tx)
     TableJoin (children 1)
      Function isNotDistinctFrom (children 1)
       ExpressionList (children 2)
        Identifier t0.c0
        Identifier tx.c0
