SQL requests with group by and order by
7 USD updated_at196
1
(for a week ago) 296
5
(Today) 396
6 (Today) 497
10
(It does not matter)
I need to group them by thread_id and sort them by date.SELECT *
From the table_log
Group by thread_id
ORDER BY updated_at But this ORDER BY version does not work.
I have to get a result of this kind:
thread_id: 96. user_id: 1. updated_at: today
a receives: thread_id: 96. user_id: 6. updated_at: a week ago
Client's review of cooperation with Vitalii Valchuk
SQL requests with group by and order byThe task was to make a request in mysql. He did it well and explained how and why.
I recommend, and I will contact myself, thank you!
Freelancer's review of cooperation with Vladislavs Sipov
SQL requests with group by and order byI have provided full TZ, always in contact, I recommend!
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Winning proposal1 day7 USD
2071 226 0 1 Winning proposal1 day7 USD
Hello to you. I will help with your request. The group does not work as you described.
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1 day4 USD
38 1 day4 USD
Good day .
I will send you a request quickly.
Go to turn.
_________________________________________________________
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1 day4 USD
5817 264 0 1 day4 USD
Good night, ready to write a request.
Good night, ready to write a request.
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1 day4 USD
2641 427 9 1 1 day4 USD
Готов составить запрос
=- = -= -=- =- =- =- = -= -= -= -= -= - =- = -= -= -= - =- =- = -= -= -= - =- =- = -= =-
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Есть какие-то строгие варианты что может быть в столбце update_at? Или там может быть всё что угодно?
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там unix_timestamp, без group by сортировка работает
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двумя order by разрешается?
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если в поле дата там штам то только приводить его к одному виду (дата) и делать группировку по этому полю тоже, ну или формировать вьюшку, а потом выборки
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