Question

SELECT * 
FROM `SC_products` 
WHERE `productID` 
IN (
    (
        SELECT `productID` 
        FROM `SC_product_options_set` 
        LEFT JOIN `SC_products_opt_val_variants` ON `SC_product_options_set`.`variantID` = `SC_products_opt_val_variants`.`variantID` 
        WHERE `SC_products_opt_val_variants`.`optionID` = '14'
        GROUP BY `SC_product_options_set`.`productID` 
        ORDER BY `SC_products_opt_val_variants`.`sort_order` ASC 
    )
    UNION ALL
    (
        SELECT `productID` 
        FROM `SC_product_options_values` 
        WHERE `SC_product_options_values`.`optionID` = '14'
        ORDER BY `SC_product_options_values`.`option_value_ru` ASC 
    )
)
GROUP BY `SC_products`.`productID` 
LIMIT 0 , 30

ERROR №1064 – You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘UNION ALL ( SELECT productID FROM SC_product_options_values WHERE `SC_produ’ at line 7

Please, help.

Answer 1

Try this:

SELECT * 
FROM   `sc_products` 
WHERE  `productid` IN (
                     SELECT `productid` 
                        FROM   `sc_product_options_set` 
                               LEFT JOIN `sc_products_opt_val_variants` 
                                 ON `sc_product_options_set`.`variantid` = 
                                    `sc_products_opt_val_variants`.`variantid` 
                        WHERE  `sc_products_opt_val_variants`.`optionid` = '14' 
                        GROUP  BY `sc_product_options_set`.`productid` 
                       UNION ALL 
                       SELECT `productid` 
                        FROM   `sc_product_options_values` 
                        WHERE  `sc_product_options_values`.`optionid` = '14' 
                                            ) 
GROUP  BY `sc_products`.`productid` 
LIMIT  0, 30  

P.S: You don’t need an ORDER BY in your subquery becuase it is in a IN clause