I have a table 'product_attribute_option' having columns
product_id attribute_id attribute_option_id
1 9 15
1 15 23
2 9 15
2 11 18
2 12 19
3 9 15
3 15 23
now I want to filter product by attribute_option.
How to get distinct product_ids having attribute_option_id 15 and 23?