SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function timeSeriesInstantDeltaToGridIf (children 2)
     ExpressionList (children 3)
      Identifier timestamps
      Identifier values
      Function toNullable (children 1)
       ExpressionList (children 1)
        Function equals (children 1)
         ExpressionList (children 2)
          Function length (children 1)
           ExpressionList (children 1)
            Identifier timestamps
          Function length (children 1)
           ExpressionList (children 1)
            Identifier values
     ExpressionList (children 4)
      Literal UInt64_10
      Literal UInt64_120
      Literal UInt64_10
      Literal UInt64_60
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier ts_data
