Re: Does postgres have Equivalent range C range Type for Built-in SQL range Types
ne 28. 8. 2022 v 18:36 odesílatel jian he napsal: > > > On Sun, Aug 28, 2022 at 4:07 PM Pavel Stehule > wrote: > >> >> >> ne 28. 8. 2022 v 12:36 odesílatel Pavel Stehule >> napsal: >> >>> Hi >>> >>> >>> ne 28. 8. 2022 v 10:10 odesílatel jian he >>> 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 <> 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) ? > Surely, you can. everything you can do in SQL you can do in C. It needs much more very precious work, but the result can be significantly faster (depends on context). Regards Pavel
Re: Does postgres have Equivalent range C range Type for Built-in SQL range Types
On Sun, Aug 28, 2022 at 4:07 PM Pavel Stehule wrote: > > > ne 28. 8. 2022 v 12:36 odesílatel Pavel Stehule > napsal: > >> Hi >> >> >> ne 28. 8. 2022 v 10:10 odesílatel jian he >> 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 <> >>> >>> 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) ?
Re: Does postgres have Equivalent range C range Type for Built-in SQL range Types
ne 28. 8. 2022 v 12:36 odesílatel Pavel Stehule napsal: > Hi > > > ne 28. 8. 2022 v 10:10 odesílatel jian he > 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 <> >> >> Jian >> >> >>
Re: Does postgres have Equivalent range C range Type for Built-in SQL range Types
Hi ne 28. 8. 2022 v 10:10 odesílatel jian he 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 Regards Pavel > I recommend David Deutsch's <> > > Jian > > >
Does postgres have Equivalent range C range Type for Built-in SQL range Types
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? -- I recommend David Deutsch's <> Jian
