AlterQuery  t_mutations_nondeterministic (children 2)
 ExpressionList (children 1)
  AlterCommand UPDATE (children 2)
   Literal UInt64_1
   ExpressionList (children 1)
    Assignment v (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 1)
          Function uniqExactState (children 1)
           ExpressionList (children 1)
            Identifier number
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            Function numbers (children 1)
             ExpressionList (children 1)
              Literal UInt64_5
 Identifier t_mutations_nondeterministic
