php mysql 批量更新資料
阿新 • • 發佈:2019-01-28
使用原生 sql 批量更新使用者積分資料
訂單列表中查出 $list,包含 buy_id , total_money 欄位
$list = [ 0 => ['buyer_id' => 1,'total_money' => 20], 1 => ['buyer_id' => 4,'total_money' => 77], 2 => ['buyer_id' => 7,'total_money' => 50], 3 => ['buyer_id' => 10,'total_money' => 15], 4 => ['buyer_id' => 21,'total_money' => 22], 5 => ['buyer_id' => 17,'total_money' => 120], ];
組合UPDATE語句,其中 `bp` 為使用者表積分欄位
$ids = ''; $sql = 'UPDATE user SET bp = CASE id '; $sql = ''; foreach ( $list as $key => $value) { $sql .= sprintf("WHEN %d THEN `bp` + %d ", $value['buyer_id'], $value['total_money']); $ids .= $value['buyer_id'].','; } $ids = rtrim($ids,','); $sql .= "END WHERE id IN ($ids)";
實際執行的sql
UPDATE user SET bp = CASE id WHEN 1 THEN `bp` + 20 WHEN 4 THEN `bp` + 77 WHEN 7 THEN `bp` + 50 WHEN 10 THEN `bp` + 15 WHEN 21 THEN `bp` + 22 WHEN 17 THEN `bp` + 120 END WHERE id IN (1,4,7,10,21,17)
執行sql ==== 搞定