Can someone on the interfaces list assist this person? Thanks.
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H Hale wrote:
> Hello,
>
> I have a table column TIMESTAMP (6) WITHOUT TIME ZONE
> that I am trying to read and write as binary. Postgres
> is configured to use int64 for timestamps (not
> double).
>
> I found tm2timestamp() in libpgtypes.so that seems to
> convert struct tm to a Postgres timestamp correctly
> (at least for the dates I have tried). However the
> corresponding function timestamp2tm() is static and
> therefore not exported from the lib. I tried exporting
> and using it but the results are incorrect.
> Minutes,seconds and sec fractions are always
> incorrect.
>
> For example..
> in: 1805-Jun-21 11:21:47.999000
> out: 1805-Jun-21 11:40:02
>
> The backend has similiar functions that take struct
> pg_tm instead of struct tm as in libpgtypes.so but
> these functions but are not accessible. These
> functions appear to be different from the ones with
> the same names in libpgtypes.so.
>
> Other than that I can't find anything else. What do I
> used to convert Postgres binary timestamps to
> something usable out side of Postgres?
>
> When doing queries either all data returned is binary
> or text, can't request indivdual columns to be binary
> or text (or can you?). So I need a way of converting
> timestamps to an external binary format like struct tm
> + seconds fractions.
>
>
> Thanks
>
> PS. This is with v8.0.3 on Linux (intel)
> BTW. Using text in/out is not a option in this case.
>
>
>
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