| From: | jian he <jian(dot)universality(at)gmail(dot)com> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | pgsql-docs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Does postgres have Equivalent range C range Type for Built-in SQL range Types |
| Date: | 2022-08-28 16:36:32 |
| Message-ID: | CACJufxF_aOH8V3CzBV1c2eOuJgMO9EQ5tNxu_MZkZMFZC18EQw@mail.gmail.com |
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| Lists: | pgsql-docs |
On Sun, Aug 28, 2022 at 4:07 PM Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
wrote:
>
>
> ne 28. 8. 2022 v 12:36 odesílatel Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
> napsal:
>
>> Hi
>>
>>
>> ne 28. 8. 2022 v 10:10 odesílatel jian he <jian(dot)universality(at)gmail(dot)com>
>> napsal:
>>
>>>
>>> Equivalent C Types for Built-in SQL Types
>>> https://www.postgresql.org/docs/15/xfunc-c.html#XFUNC-C-TYPE-TABLE
>>> Does postgres have Equivalent C range Type for Built-in SQL range Types?
>>>
>>>
>> No, there is only common ancestor - RangeType
>>
>> Ranges are containers like arrays or records - so has not own type
>> specific type
>>
>
> look
> https://github.com/postgres/postgres/blob/master/src/backend/utils/adt/rangetypes.c
>
>>
>> Regards
>>
>> Pavel
>>
>>
>>> I recommend David Deutsch's <<The Beginning of Infinity>>
>>>
>>> Jian
>>>
>>>
>>>
technically, Can i use jsonbor range or array in C-language function?
If that's possible, for range type I need #include rangetypes.h in the c
file(used to create c function) ?
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