LEFT JOIN MySQLステートメントのCONCAT

Question

2つのMySQLテーブルからデータを取得し、関連するデータを表示するMySQLステートメントを作成しようとしています。

私の現在の問題は、

クエリの結果は、現在唯一の最初の課金名ではなく第二連結した値を示しているコラム「フルネームを課金」一つに「_billing_first_name」と「_billing_last_name」フィールドを連結しようとしています。現在の文を選択するマイ

は以下の通りです：

SELECT 
     wp_posts.ID, 
     wp_posts.post_title, 
     pm1.meta_value as 'Billing Address 1', 
     pm2.meta_value as 'Billing Address 2', 
     pm3.meta_value as 'Billing City', 
     pm4.meta_value as 'Billing State', 
     pm5.meta_value as 'Billing Postcode', 
     pm6.meta_value as 'Billing Email', 
     pm7.meta_value as 'Billing Phone', 
     pm8.meta_value as 'Billing Full Name', 
     pm10.meta_value as 'Shipping First Name', 
     pm11.meta_value as 'Shipping Last Name', 
     pm12.meta_value as 'Shipping Address 1', 
     pm13.meta_value as 'Shipping Address 2', 
     pm14.meta_value as 'Shipping City', 
     pm15.meta_value as 'Shipping State', 
     pm16.meta_value as 'Shipping Postcode', 
     pm17.meta_value as 'Order Shipping' 
    FROM wp_posts 
     LEFT JOIN wp_postmeta AS pm1 ON (wp_posts.ID = pm1.post_id AND pm1.meta_key='_billing_address_1') 
     LEFT JOIN wp_postmeta AS pm2 ON (wp_posts.ID = pm2.post_id AND pm2.meta_key='_billing_address_2') 
     LEFT JOIN wp_postmeta AS pm3 ON (wp_posts.ID = pm3.post_id AND pm3.meta_key='_billing_city') 
     LEFT JOIN wp_postmeta AS pm4 ON (wp_posts.ID = pm4.post_id AND pm4.meta_key='_billing_state') 
     LEFT JOIN wp_postmeta AS pm5 ON (wp_posts.ID = pm5.post_id AND pm5.meta_key='_billing_postcode') 
     LEFT JOIN wp_postmeta AS pm6 ON (wp_posts.ID = pm6.post_id AND pm6.meta_key='_billing_email') 
     LEFT JOIN wp_postmeta AS pm7 ON (wp_posts.ID = pm7.post_id AND pm7.meta_key='_billing_phone') 
     LEFT JOIN wp_postmeta AS pm8 ON (wp_posts.ID = pm8.post_id AND CONCAT_WS(' ',pm8.meta_key='_billing_first_name', pm8.meta_key='_billing_last_name')) 
     LEFT JOIN wp_postmeta AS pm10 ON (wp_posts.ID = pm10.post_id AND pm10.meta_key='_shipping_first_name') 
     LEFT JOIN wp_postmeta AS pm11 ON (wp_posts.ID = pm11.post_id AND pm11.meta_key='_shipping_last_name') 
     LEFT JOIN wp_postmeta AS pm12 ON (wp_posts.ID = pm12.post_id AND pm12.meta_key='_shipping_address_1') 
     LEFT JOIN wp_postmeta AS pm13 ON (wp_posts.ID = pm13.post_id AND pm13.meta_key='_shipping_address_2') 
     LEFT JOIN wp_postmeta AS pm14 ON (wp_posts.ID = pm14.post_id AND pm14.meta_key='_shipping_city') 
     LEFT JOIN wp_postmeta AS pm15 ON (wp_posts.ID = pm15.post_id AND pm15.meta_key='_shipping_state') 
     LEFT JOIN wp_postmeta AS pm16 ON (wp_posts.ID = pm16.post_id AND pm16.meta_key='_shipping_postcode') 
     LEFT JOIN wp_postmeta AS pm17 ON (wp_posts.ID = pm17.post_id AND pm17.meta_key='_order_shipping') 
    WHERE 
     wp_posts.post_type = 'shop_order' AND 
     wp_posts.post_status = 'wc-completed' AND 
     wp_posts.post_date > '2016-08-01 13:13:00' AND 
     wp_posts.post_date < '2017-05-31 13:13:00' 
    GROUP BY wp_posts.ID ORDER BY wp_posts.post_date DESC 

これですべてのヘルプは大歓迎ですが、あなたに

Answer 1

SELECT 
    wp_posts.ID, 
    wp_posts.post_title, 
    pm1.meta_value as 'Billing Address 1', 
    pm2.meta_value as 'Billing Address 2', 
    pm3.meta_value as 'Billing City', 
    pm4.meta_value as 'Billing State', 
    pm5.meta_value as 'Billing Postcode', 
    pm6.meta_value as 'Billing Email', 
    pm7.meta_value as 'Billing Phone', 
    CONCAT_WS(' ',pm9.meta_value,pm8.meta_value) as 'Billing Full Name', 
    pm10.meta_value as 'Shipping First Name', 
    pm11.meta_value as 'Shipping Last Name', 
    pm12.meta_value as 'Shipping Address 1', 
    pm13.meta_value as 'Shipping Address 2', 
    pm14.meta_value as 'Shipping City', 
    pm15.meta_value as 'Shipping State', 
    pm16.meta_value as 'Shipping Postcode', 
    pm17.meta_value as 'Order Shipping' 
FROM wp_posts 
    LEFT JOIN wp_postmeta AS pm1 ON (wp_posts.ID = pm1.post_id AND pm1.meta_key='_billing_address_1') 
    LEFT JOIN wp_postmeta AS pm2 ON (wp_posts.ID = pm2.post_id AND pm2.meta_key='_billing_address_2') 
    LEFT JOIN wp_postmeta AS pm3 ON (wp_posts.ID = pm3.post_id AND pm3.meta_key='_billing_city') 
    LEFT JOIN wp_postmeta AS pm4 ON (wp_posts.ID = pm4.post_id AND pm4.meta_key='_billing_state') 
    LEFT JOIN wp_postmeta AS pm5 ON (wp_posts.ID = pm5.post_id AND pm5.meta_key='_billing_postcode') 
    LEFT JOIN wp_postmeta AS pm6 ON (wp_posts.ID = pm6.post_id AND pm6.meta_key='_billing_email') 
    LEFT JOIN wp_postmeta AS pm7 ON (wp_posts.ID = pm7.post_id AND pm7.meta_key='_billing_phone') 
    LEFT JOIN wp_postmeta AS pm8 ON (wp_posts.ID = pm8.post_id AND pm8.meta_key='_billing_last_name') 
    LEFT JOIN wp_postmeta AS pm9 ON (wp_posts.ID = pm9.post_id AND pm9.meta_key='_billing_first_name') 
    LEFT JOIN wp_postmeta AS pm10 ON (wp_posts.ID = pm10.post_id AND pm10.meta_key='_shipping_first_name') 
    LEFT JOIN wp_postmeta AS pm11 ON (wp_posts.ID = pm11.post_id AND pm11.meta_key='_shipping_last_name') 
    LEFT JOIN wp_postmeta AS pm12 ON (wp_posts.ID = pm12.post_id AND pm12.meta_key='_shipping_address_1') 
    LEFT JOIN wp_postmeta AS pm13 ON (wp_posts.ID = pm13.post_id AND pm13.meta_key='_shipping_address_2') 
    LEFT JOIN wp_postmeta AS pm14 ON (wp_posts.ID = pm14.post_id AND pm14.meta_key='_shipping_city') 
    LEFT JOIN wp_postmeta AS pm15 ON (wp_posts.ID = pm15.post_id AND pm15.meta_key='_shipping_state') 
    LEFT JOIN wp_postmeta AS pm16 ON (wp_posts.ID = pm16.post_id AND pm16.meta_key='_shipping_postcode') 
    LEFT JOIN wp_postmeta AS pm17 ON (wp_posts.ID = pm17.post_id AND pm17.meta_key='_order_shipping') 
WHERE 
    wp_posts.post_type = 'shop_order' AND 
    wp_posts.post_status = 'wc-completed' AND 
    wp_posts.post_date > '2016-08-01 13:13:00' AND 
    wp_posts.post_date < '2017-05-31 13:13:00' 
GROUP BY wp_posts.ID ORDER BY wp_posts.post_date DESC