-- Product questions
	
	CREATE PROCEDURE getAll(
		-- variables
		IN  language_id INT,
		IN  site_id INT,
		IN 	product_id INT,
        IN 	user_id INT,
        IN 	status INT,

		-- pagination
		IN start INT,
		IN limit INT,

		-- return
		OUT fetch_all, -- orders
		OUT fetch_one  -- count
	)
	BEGIN

            SELECT "user".username, "user".email, "user".first_name, "user".last_name, "user".display_name, "user".avatar, "user".bio,  "user".subscribe, product_question.*, "user".user_id as user_id
            FROM product_question
            LEFT JOIN "user" on "user".user_id = product_question.user_id
		
			WHERE 1 = 1
            
            -- product
            @IF isset(:product_id)
			THEN 
				AND product_question.product_id  = :product_id
        	END @IF	            
            
	   -- product slug
            @IF isset(:slug)
            THEN 
			AND product_question.product_id  = (SELECT product_id FROM product_content WHERE slug = :slug LIMIT 1) 
            END @IF

            -- user
            @IF isset(:user_id)
            THEN 
				AND product_question.user_id  = :user_id
            END @IF	              
            
            -- user
            @IF isset(:status)
            THEN 
				AND product_question.status  = :status
            END @IF	            

            @SQL_LIMIT(:start, :limit);
		
            SELECT count(*) FROM (
			
			@SQL_COUNT(product_question.product_question_id, product_question) -- this takes previous query removes limit and replaces select columns with parameter product_id
			
            ) as count;
		
		
	END

	-- Get product question
	
	CREATE PROCEDURE get(
		IN product_question_id INT,
		OUT fetch_row, 
	)
	BEGIN
		-- question
		SELECT *
			FROM product_question as _ -- (underscore) _ means that data will be kept in main array
		LEFT JOIN "user" on "user".user_id = _.user_id
		WHERE product_question_id = :product_question_id LIMIT 1;

	END
		
	-- Add new product question

	CREATE PROCEDURE add(
		IN product_question ARRAY,
		OUT fetch_one
	)
	BEGIN
		
		-- allow only table fields and set defaults for missing values
		@FILTER(:product_question, product_question)
		
		INSERT INTO product_question 
			
			( @KEYS(:product_question) )
			
	  	VALUES ( :product_question ) RETURNING product_question_id;
        
	END

	-- Edit product question

	CREATE PROCEDURE edit(
		IN product_question ARRAY,
		IN  id_product_question INT,
		OUT affected_rows
	)
	BEGIN
		-- allow only table fields and set defaults for missing values
		@FILTER(:product_question, product_question)

		UPDATE product_question 
			
			SET  @LIST(:product_question) 
			
		WHERE product_question_id = :product_question_id
	 
	END
	
	-- Delete product_question

	CREATE PROCEDURE delete(
		IN  product_question_id ARRAY,
		OUT affected_rows
	)
	BEGIN

		DELETE FROM product_question WHERE product_question_id IN (:product_question_id)
	 
	END