獲取meta_key等於的類別的帖子數量？

Question

我想創建一個自定義的mysql查詢計數兩件事。

首先，它應該算在一個類別，其中meta_key betting_status職位的數量值不等於‘待定’

那麼就應該算在一個類別職位的數目，其中meta_key betting_status'值等於是。

到目前爲止，我已經做到了這一點，但不是在所有它的輸出任何東西：

$wombo_query = "SELECT count(DISTINCT $wpdb->postmeta.post_id) FROM $wpdb->posts 
LEFT JOIN $wpdb->term_relationships ON 
($wpdb->posts.ID = $wpdb->term_relationships.object_id) 
LEFT JOIN $wpdb->term_taxonomy ON 
($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) AND 
WHERE $wpdb->postmeta.meta_key = 'betting_status' 
AND $wpdb->posts.meta_value = 'yes' 
WHERE $wpdb->posts.post_status = 'publish' 
AND $wpdb->term_taxonomy.taxonomy = 'category' 
AND $wpdb->term_taxonomy.term_id = 106 
"; 

Answer 1

試試這一個。

SELECT count(DISTINCT wp_postmeta.`post_id`) 
    FROM wp_posts 
     LEFT JOIN wp_postmeta ON (wp_posts.ID = wp_postmeta.post_id) 
     LEFT JOIN wp_term_relationships ON (wp_posts.ID = wp_term_relationships.object_id) 
     LEFT JOIN wp_term_taxonomy ON (wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id) 
WHERE wp_postmeta.meta_key  = 'betting_status' 
    AND wp_postmeta.meta_value = 'yes' 
    AND wp_posts.post_status  = 'publish' 
    AND wp_term_taxonomy.taxonomy = 'category' 
    AND wp_term_taxonomy.term_id = 106; 

由於我的DB與您的DB沒有相同的值，因此它會爲我返回0行，但它會執行。

乾杯！ = C =