SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Function finalizeAggregation (children 1)
     ExpressionList (children 1)
      Function uniqThetaIntersect (children 1)
       ExpressionList (children 2)
        Identifier a
        Identifier b
    Function finalizeAggregation (children 1)
     ExpressionList (children 1)
      Identifier a
    Function finalizeAggregation (children 1)
     ExpressionList (children 1)
      Identifier b
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Function uniqThetaStateIf (alias a) (children 1)
            ExpressionList (children 2)
             Identifier number
             Function greater (children 1)
              ExpressionList (children 2)
               Identifier number
               Literal UInt64_0
           Function uniqThetaStateIf (alias b) (children 1)
            ExpressionList (children 2)
             Identifier number
             Function greater (children 1)
              ExpressionList (children 2)
               Identifier number
               Literal UInt64_5
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 1)
                SelectQuery (children 3)
                 ExpressionList (children 1)
                  Identifier number
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    TableIdentifier system.numbers
                 Literal UInt64_10
