INNER JOIN with Data Exits Condition

Question

I am writing query to fetch data from two table, Products and ProductsImages. my query is:

    SELECT p.*, pi.*
    FROM ( SELECT *, ROW_NUMBER() OVER (PARTITION BY ProductId, ProductPrice 
    ORDER BY ProductId) AS row_number FROM Products ) p
    INNER JOIN ( SELECT *, ROW_NUMBER() 
     OVER (PARTITION BY ProductId, ImageId,ImagePath  
    ORDER BY ImageId) AS row_number FROM ProductsImages ) pi 
    ON  p.ProductId = pi.ProductId
    AND p.row_number = pi.row_number
    Where p.ProductId='131';

I have to write a condition for running INNER JOIN that is: Implement INNER JOIN if ProductsImages has images of giving productId else it should run without join . and show just products detail except images. this query is not showing the product detail like name and price if productsImages dont have any image.
Restriction: I have to implement only INNER JOIN. kindly help me out and guide me how can i implement if-exits condition in this case. thanx

Answer 1

In such case why don't you write left join,

Left join keeps all the records from product table even for non matched records with image table

 SELECT p.*, pi.*
    FROM ( SELECT *, ROW_NUMBER() OVER (PARTITION BY ProductId, ProductPrice 
    ORDER BY ProductId) AS row_number FROM Products ) p
    LEFT OUTER JOIN ( SELECT *, ROW_NUMBER() 
     OVER (PARTITION BY ProductId, ImageId,ImagePath  
    ORDER BY ImageId) AS row_number FROM ProductsImages ) pi 
    ON  p.ProductId = pi.ProductId
    AND p.row_number = pi.row_number
    Where p.ProductId='131';

Answer 2

You can try the inner query way. Example:

SELECT p.*, ( SELECT *, ROW_NUMBER() 
OVER (PARTITION BY ProductId, ImageId,ImagePath  
ORDER BY ImageId) AS row_number FROM ProductsImages pi WHERE p.ProductId = pi.ProductId AND p.row_number = pi.row_number )
FROM ( SELECT *, ROW_NUMBER() OVER (PARTITION BY ProductId, ProductPrice 
ORDER BY ProductId) AS row_number FROM Products ) p
Where p.ProductId='131';

There is no join in this. :(