Michal Taborsky - Internet Mall <michal(dot)taborsky(at)mall(dot)cz> writes:
> SELECT product.product_id
> FROM action
> JOIN product ON (product.product_id=action.product_id)
> WHERE action.shop_group_id=1
> AND EXISTS (SELECT 1
> FROM catalog.product_program
> WHERE product_id=product.product_id
> AND product_program.program_id =1104322
> )
Try converting the EXISTS subquery to an IN.
regards, tom lane