photo_shop_transaction_references

Counts the number of shop transactions for a particular photo item.

Tentative (is this correct?): this represents the number of copies of a photo sold.

To retrieve the number of shop transactions for a particular photo item.

CREATE FUNCTION photo_shop_transaction_references(integer) returns bigint
AS 'select count(shop_order.transaction)
      from photo_item, shop_order
     where photo_item.photo = $1
       and photo_item.identifier=shop_order.item' LANGUAGE 'sql';

• photo_item
• shop_order

Version 2.29

Still in use

= Version 2.29 =

CREATE FUNCTION photo_shop_transaction_references(integer) returns bigint
AS 'select count(shop_order.transaction)
      from photo_item, shop_order
     where photo_item.photo = $1
       and photo_item.identifier=shop_order.item' LANGUAGE 'sql';