SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function timeSeriesResampleToGridWithStaleness (alias res) (children 2)
     ExpressionList (children 2)
      Identifier timestamp
      Identifier value
     ExpressionList (children 4)
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'100\'
        Literal \'Float64\'
      Literal UInt64_150
      Literal UInt64_15
      Literal UInt64_50
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier ts_data
