Re: Since '2001-09-09 01:46:40'::timestamp microseconds are lost when extracting epoch

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Thomas Munro <thomas.munro@gmail.com>

Cc: Peter Eisentraut <peter.eisentraut@enterprisedb.com>, David Steele <david@pgmasters.net>, Pavel Stehule <pavel.stehule@gmail.com>, Petr Fedorov <petr.fedorov@phystech.edu>, pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2021-04-28T13:43:58Z

Lists: pgsql-bugs, pgsql-hackers

Thomas Munro <thomas.munro@gmail.com> writes:
> On Wed, Apr 28, 2021 at 3:56 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Of course Wikipedia has been known to contain errors, but now
>> I'm inclined to think I blew this.  Anyone want to check my work?

> I tried a couple of examples not from Wikipedia.  ...

Thanks for checking!  I'll go adjust the documentation.

			regards, tom lane

Commits

Fix inconsistent equalfuncs.c behavior for FuncCall.funcformat.
- a65e9f3f1405 14.0 landed
Doc: fix discussion of how to get real Julian Dates.
- f6171e6843f0 9.6.22 landed
- c93f8f3b8d3b 14.0 landed
- 824df1cccb74 12.7 landed
- 7cd542023056 11.12 landed
- 7bbcfb4d584d 13.3 landed
- 56e234b6aff9 10.17 landed
Doc: document EXTRACT(JULIAN ...), improve Julian Date explanation.
- ec5bab9217cd 13.3 landed
- b391db4943dc 9.6.22 landed
- b230618ce875 12.7 landed
- 79a5928ebcb7 14.0 landed
- 64d617de3c59 10.17 landed
- 4b610547c27a 11.12 landed
Change return type of EXTRACT to numeric
- a2da77cdb466 14.0 landed
Improve our ability to regurgitate SQL-syntax function calls.
- 40c24bfef925 14.0 landed
Add more tests for EXTRACT of date type
- 540612fa469e 14.0 landed
Expose internal function for converting int64 to numeric
- 0aa8f764088e 14.0 landed
Change floating-point output format for improved performance.
- 02ddd499322a 12.0 cited