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[EC-CUBE]2.13.5
[レンタルサーバ]　kagoya
[PHP] PHP 5.6.30
[データベース] PostgreSQL バージョン9.3.5
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【受注完了メールに商品の購入合計数を表示させたい】


上記ページを参考に注文メールに商品点数の合計を表示するカスタマイズを行いましたが、MySQLのサーバーでは成功し、PostgreSQLの場合はシステムエラーとなり、メールが送信されません。どなたか解決方法をご教授願えればと思います。


【カスタマイズ内容】

●SC_Helper_Mail.phpに下記を追加
$arrTplVar->total_quantity = $objQuery->get('sum(quantity)', 'dtb_order_detail', $where, array($order_id));

●order_mail.tplに<!--{$total_quantity}-->を追加


【EC-CUBEのエラーログ】
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FATAL Error(256) /home/hoge/eccube2_data/hogehoge/class/SC_Query.php:876 http://hogehoge.com/shopping/confirm.php?


USER_AGENT: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36

SQL: SELECT sum(quantity) FROM dtb_order_detail WHERE order_id = ? ORDER BY order_detail_id

MDB2 Error: unknown error

prepare: [Error message: Unable to create prepared statement handle]
[Last executed query: SELECT * FROM dtb_order_detail WHERE order_id = $1 ORDER BY order_detail_id ]
[Native message: ERROR: column "dtb_order_detail.order_detail_id" must appear in the GROUP BY clause or be used in an aggregate function
行 1: ...OM dtb_order_detail WHERE order_id = $1 ORDER BY order_deta...
^]


/home/hoge/public_html/hogehoge/shopping/confirm.php 34:LC_Page_Shopping_Confirm_Ex->process
/home/hoge/eccube2_data/hogehoge/class_extends/page_extends/shopping/LC_Page_Shopping_Confirm_Ex.php 56:LC_Page_Shopping_Confirm->process
/home/hoge/eccube2_data/hogehoge/class/pages/shopping/LC_Page_Shopping_Confirm.php 63:LC_Page_Shopping_Confirm->action
/home/hoge/eccube2_data/hogehoge/class/pages/shopping/LC_Page_Shopping_Confirm.php 161:SC_Helper_Purchase->sendOrderMail
/home/hoge/eccube2_data/hogehoge/class/helper/SC_Helper_Purchase.php 1065:SC_Helper_Mail->sfSendOrderMail
/home/hoge/eccube2_data/hogehoge/class/helper/SC_Helper_Mail.php 104:SC_Query->get
/home/hoge/eccube2_data/hogehoge/class/SC_Query.php 586:SC_Query->getOne
/home/hoge/eccube2_data/hogehoge/class/SC_Query.php 601:SC_Query->prepare
/home/hoge/eccube2_data/hogehoge/class/SC_Query.php 873:MDB2_Driver_pgsql->prepare
/home/hoge/eccube2_data/hogehoge/module/MDB2/Driver/pgsql.php 967:MDB2_Driver_Common->raiseError
/home/hoge/eccube2_data/hogehoge/module/MDB2.php 1497:PEAR->raiseError
/home/hoge/eccube2_data/hogehoge/module/PEAR.php 557:MDB2_Error->MDB2_Error
/home/hoge/eccube2_data/hogehoge/module/MDB2.php 1009:PEAR_Error->PEAR_Error