Re: Feature request: Improve allowed values for generate series
От | David G. Johnston |
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Тема | Re: Feature request: Improve allowed values for generate series |
Дата | |
Msg-id | CAKFQuwYS6UZTOBD6mXptTn_8dvpDQ2KpM1s94UcraX6XEtfUxw@mail.gmail.com обсуждение исходный текст |
Ответ на | Feature request: Improve allowed values for generate series (Eugen Konkov <kes-kes@yandex.ru>) |
Список | pgsql-hackers |
On Wed, Nov 11, 2020 at 7:54 PM Eugen Konkov <kes-kes@yandex.ru> wrote:
Hello David,
I have a table with services, each service have a period. After which service is auto renewal
Services also could be one-time. At this case its interval is '00:00:00'
In which case the concept of interval is undefined - there is no meaningful "second date" here, just the one expiration date - yet you are choosing to keep it in order to introduce an artificial similarity between one-time service and auto-renewal service. This use case isn't convincing for me. Writing the one-time service query without generate_series leaves out extraneous stuff that isn't important, which I would recommend even if generate_series were to work as described.
If you are going to introduce code-specific stuff to make this work just write: SELECT * FROM generate_series( '2020-11-09', '2020-11-09', INTERVAL '1000 years' ); It is just as much a construction of code as the other.
David J.
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