SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function boundingRatioMerge (children 1)
     ExpressionList (children 1)
      Identifier state
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function boundingRatioState (alias state) (children 1)
            ExpressionList (children 2)
             Identifier timestamp
             Identifier event
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier rate_test
         SelectQuery (children 3)
          ExpressionList (children 1)
           Function boundingRatioState (children 1)
            ExpressionList (children 2)
             Identifier timestamp
             Identifier event
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier rate_test2
          Function equals (children 1)
           ExpressionList (children 2)
            Literal UInt64_1
            Literal UInt64_0
