خطای پایگاهدادهٔ وردپرس : [You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') OR pm1.meta_value = '')
AND p.ID IN (
SELECT tr2.object_id
FROM ...' at line 7]
SELECT DISTINCT p.post_parent AS ID
FROM wpsh_posts p
INNER JOIN wpsh_postmeta pm1 ON p.ID = pm1.post_id
INNER JOIN wpsh_term_relationships tr ON p.ID = tr.object_id
WHERE p.post_type = 'product_variation'
AND pm1.meta_key IN ('attribute_pa_brand')
AND (pm1.meta_value IN () OR pm1.meta_value = '')
AND p.ID IN (
SELECT tr2.object_id
FROM wpsh_term_relationships tr2
WHERE tr2.term_taxonomy_id = 13
)
AND p.ID IN (
SELECT pm2.post_id
FROM wpsh_postmeta pm2
WHERE pm2.meta_key LIKE 'attribute\\_pa\\_%'
GROUP BY pm2.post_id
HAVING COUNT(DISTINCT pm2.meta_key) = 1
)
GROUP BY pm1.post_id
HAVING COUNT(DISTINCT pm1.meta_key) = 1
LIMIT 29999