我正在尝试使用此查询从数据库中获取值
$vouchers = MerchantVoucher::where([
'merchant_id' => $this->merchant->id,
'code' => $voucherCode
])
->whereRaw("
(
(valid_from between '{$voucherValidFrom}' and '{$voucherValidTo}' ) ||
(valid_to between '{$voucherValidFrom}' and '{$voucherValidTo}')
)"
)
->count();
通过这个查询,我得到了预期的结果,它返回一个行数。 我尝试使用下面的查询的准备语句来优化查询
$vouchers = MerchantVoucher::where([
'merchant_id' => $this->merchant->id,
'code' => $voucherCode
])
->whereRaw("
(
(valid_from between '?' and '?' ) ||
(valid_to between '?' and '?' )
)",
[
$voucherValidFrom,
$voucherValidTo,
$voucherValidFrom,
$voucherValidTo
]
)
->count();
当我使用此查询时,它返回 0。
有人对此有解释吗?预先感谢您!
非 PHP 用户的原始 Sql 比较
select count(*) from `merchant_vouchers` where (`merchant_id` = ? and `code` = ?) and
(
(valid_from between '2019-12-03 11:36:35' and '2019-12-10 11:36:35' ) ||
(valid_to between '2019-12-03 11:36:35' and '2019-12-10 11:36:35')
) and `merchant_vouchers`.`deleted_at` is null
返回1
select count(*) from `merchant_vouchers` where (`merchant_id` = ? and `code` = ?) and
(
(valid_from between '?' and '?' ) ||
(valid_to between '?' and '?' )
) and
`merchant_vouchers`.`deleted_at` is null
返回0
使用的框架:Lumen
数据库:MySQL
最佳答案
您需要删除占位符周围的引号:
valid_from 之间?和?
关于php - Lumen whereRaw 与准备好的语句不返回任何内容,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59155944/