SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function timeSeriesResetsToGrid (children 2)
     ExpressionList (children 2)
      Function arrayResize (children 1)
       ExpressionList (children 2)
        Identifier timestamps
        Function arrayMin (alias min_len) (children 1)
         ExpressionList (children 1)
          Function array (children 1)
           ExpressionList (children 2)
            Function length (children 1)
             ExpressionList (children 1)
              Identifier timestamps
            Function length (children 1)
             ExpressionList (children 1)
              Identifier values
      Function arrayResize (children 1)
       ExpressionList (children 2)
        Identifier values
        Identifier min_len
     ExpressionList (children 4)
      Literal UInt64_15
      Literal UInt64_125
      Literal UInt64_10
      Literal UInt64_20
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier ts_data
