Doc: improve explanation of EXTRACT(EPOCH) for timestamp without tz.
authorTom Lane <tgl@sss.pgh.pa.us>
Fri, 1 Jan 2021 20:51:09 +0000 (15:51 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Fri, 1 Jan 2021 20:51:09 +0000 (15:51 -0500)
commit4750d92ce82fa70dfee890161576743c151c422a
tree4b2c7da19d2da5afb8cd796b73a72c2a6507f696
parent55e5352266b1edc943a2a57a5d349aac73bac1a2
Doc: improve explanation of EXTRACT(EPOCH) for timestamp without tz.

Try to be clearer about what computation is actually happening here.

Per bug #16797 from Dana Burd.

Discussion: https://postgr.es/m/16797-f264b0b980b53b8b@postgresql.org
doc/src/sgml/func.sgml