Postgresql Laravel postgres当前时间戳
您好,我在当前时间戳查询中遇到问题,我正在使用laravel和postgres。我的问题是这样的Postgresql Laravel postgres当前时间戳,postgresql,laravel-5,timestamp,Postgresql,Laravel 5,Timestamp,您好,我在当前时间戳查询中遇到问题,我正在使用laravel和postgres。我的问题是这样的 $min_max_avg = DB::table('token_queue') ->join('token', 'token.id', '=', 'token_queue.token_id') ->select(DB::raw('MIN(serving_e
$min_max_avg = DB::table('token_queue')
->join('token', 'token.id', '=', 'token_queue.token_id')
->select(DB::raw('MIN(serving_end_time - serving_start_time) AS min_total_serving_time'))
->whereBetween('token.generated_time',[DB::raw("date_trunc('hour', CURRENT_TIMESTAMP)"),
DB::raw("date_trunc('hour', CURRENT_TIMESTAMP + interval '1 hour')")])
->first();
select
MIN(serving_end_time - serving_start_time) AS min_total_serving_time
from "token_queue" inner join "token" on "token"."id" = "token_queue"."token_id"
where "token"."generated_time" between date_trunc('hour', CURRENT_TIMESTAMP) and date_trunc('hour', CURRENT_TIMESTAMP + interval '1 hour')
这会生成这样的sql
$min_max_avg = DB::table('token_queue')
->join('token', 'token.id', '=', 'token_queue.token_id')
->select(DB::raw('MIN(serving_end_time - serving_start_time) AS min_total_serving_time'))
->whereBetween('token.generated_time',[DB::raw("date_trunc('hour', CURRENT_TIMESTAMP)"),
DB::raw("date_trunc('hour', CURRENT_TIMESTAMP + interval '1 hour')")])
->first();
select
MIN(serving_end_time - serving_start_time) AS min_total_serving_time
from "token_queue" inner join "token" on "token"."id" = "token_queue"."token_id"
where "token"."generated_time" between date_trunc('hour', CURRENT_TIMESTAMP) and date_trunc('hour', CURRENT_TIMESTAMP + interval '1 hour')
因此,当我在pgAdmin中运行此sql时,它可以正常工作,但不会给我带来错误无效的日期时间格式:7错误:时间戳类型的输入语法无效:“日期(“小时”,当前时间戳)” 我的桌子是这样的 表令牌
id | generated_time
196618 | 2016-10-15 01:02:48.963
196619 | 2016-10-15 01:02:50.569
196620 | 2016-10-15 01:03:12.931
196621 | 2016-10-15 02:03:17.037
196622 | 2016-10-15 02:22:55.782
196623 | 2016-10-15 02:24:57.477
196624 | 2016-10-15 03:23:00
表令牌队列
id | serving_start_time | serving_end_time | token_id
1 | 2016-10-15 01:02:48.963 | 2016-10-15 01:03:02.69 | 196618
谢谢你的建议。我对拉威尔不太了解,但通过谷歌搜索给我的印象是,在打电话给
时,RHS不会尊重DB::Raw
尝试使用whereRaw()
在原始SQL中添加所需的where子句
->whereRaw("token.generated_time between date_trunc('hour', CURRENT_TIMESTAMP) and date_trunc('hour', CURRENT_TIMESTAMP + interval '1 hour')")
我不认为它正在生成您所认为的SQL。我认为这是生成一个包含占位符的where子句,然后将表达式提供给占位符。