有人可以請解釋我這個SQL查詢。這向我展示了受歡迎的商店,但效果不佳。解釋這個簡短的SQL查詢
sql = "SELECT t.name, t.slug, tt.count
FROM ".$wpdb->prefix."terms AS t INNER JOIN ".$wpdb->prefix."term_taxonomy AS tt ON t.term_id = tt.term_id
WHERE
tt.taxonomy IN ('$tax_name')
AND tt.count > 0
GROUP BY tt.count DESC
ORDER BY RAND() LIMIT $the_limit";
以何種方式它不能很好地工作? – 2012-02-07 18:35:09
它只顯示一個商店,但我不明白爲什麼;也許它不同.. – Nathaniel 2012-02-07 18:38:02