hyperf 使用模型写 union 子查询并做分页
最终需要实现的 sql 语句为如下所示:
SELECT
`dfo_al`.*
FROM
(
(
SELECT
`dfo_account_log`.`log_id`,
`dfo_account_log`.`change_time`,
`dfo_account_log`.`user_id`,
`dfo_account_log`.`pay_points`,
`dfo_account_log`.`change_type`,
`dfo_account_log`.`from_user_id`,
`dfo_u`.`user_id` AS `u_user_id`,
`dfo_u`.`username`,
`dfo_u`.`head_pic`,
`dfo_u`.`vip_time`
FROM
`dfo_account_log`
LEFT JOIN `dfo_users` AS `dfo_u` ON `dfo_account_log`.`user_id` = `dfo_u`.`user_id`
WHERE
( `dfo_account_log`.`user_id` = 3649 AND `dfo_account_log`.`pay_points` > 0 )
AND ( `dfo_account_log`.`from_user_id` IS NULL OR `dfo_account_log`.`from_user_id` = 0 )
) UNION
(
SELECT
`dfo_account_log`.`log_id`,
`dfo_account_log`.`change_time`,
`dfo_account_log`.`user_id`,
`dfo_account_log`.`pay_points`,
`dfo_account_log`.`change_type`,
`dfo_account_log`.`from_user_id`,
`dfo_u`.`user_id` AS `u_user_id`,
`dfo_u`.`username`,
`dfo_u`.`head_pic`,
`dfo_u`.`vip_time`
FROM
`dfo_account_log`
LEFT JOIN `dfo_users` AS `dfo_u` ON `dfo_account_log`.`from_user_id` = `dfo_u`.`user_id`
WHERE
( `dfo_account_log`.`user_id` = 3649 AND `dfo_account_log`.`pay_points` > 0 )
AND ( `dfo_account_log`.`from_user_id` IS NOT NULL OR `dfo_account_log`.`from_user_id` > 0 )
)
) AS dfo_al
ORDER BY
`log_id` DESC
LIMIT 2 OFFSET 0
hyperf 代码为
$tbl = 'account_log';
$where = [
[$tbl . '.user_id', '=', auth()->user_id],
[$tbl . '.pay_points', '>', 0]
];
$fields = [
$tbl . '.log_id',
$tbl . '.change_time',
$tbl . '.user_id',
$tbl . '.pay_points',
$tbl . '.change_type',
$tbl . '.from_user_id',
'u.user_id AS u_user_id',
'u.username',
'u.head_pic',
'u.vip_time'
];
$table1 = $this->accountLogModel
->leftJoin('users as u', $tbl . '.user_id', '=', 'u.user_id')
->select($fields)
->where($where)
->where(function ($query) use ($tbl) {
$query->whereNull($tbl . '.from_user_id')->orWhere($tbl . '.from_user_id', 0);
});
$table2 = $this->accountLogModel
->leftJoin('users as u', $tbl . '.from_user_id', '=', 'u.user_id')
->select($fields)
->where($where)
->where(function ($query) use ($tbl) {
$query->whereNotNull($tbl . '.from_user_id')->orWhere($tbl . '.from_user_id', '>', 0);
});
$table = $table1->union($table2);
$tablePrefix = Db::connection()->getTablePrefix(); // 获取数据表前缀 => 或者使用 $tablePrefix = Db::getConfig('prefix'); 都可以
$model = $this->accountLogModel
->mergeBindings($table->getQuery())
->select(['al.*'])
->from(Db::raw("({$table->toSql()}) as {$tablePrefix}" . 'al'));
return $model->orderBy('log_id', 'desc')->paginate(2);
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