SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier product_id
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Identifier product_id
           Identifier section_id
          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 concat (alias product_id) (children 1)
                   ExpressionList (children 2)
                    Literal \'product_\'
                    Function modulo (children 1)
                     ExpressionList (children 2)
                      Identifier number
                      Literal UInt64_2
                  Function concat (alias section_id) (children 1)
                   ExpressionList (children 2)
                    Literal \'section_\'
                    Function modulo (children 1)
                     ExpressionList (children 2)
                      Identifier number
                      Literal UInt64_3
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    Function numbers (children 1)
                     ExpressionList (children 1)
                      Literal UInt64_10
   Set
