Alexander Korotkov d589f94460 Support for FF1-FF6 datetime format patterns ... SQL Standard 2016 defines FF1-FF9 format patters for fractions of seconds in jsonpath .datetime() method and CAST (... FORMAT ...) SQL clause. Parsing engine of upcoming .datetime() method will be shared with to_date()/ to_timestamp(). This patch implements FF1-FF6 format patterns for upcoming jsonpath .datetime() method. to_date()/to_timestamp() functions will also get support of this format patterns as positive side effect. FF7-FF9 are not supported due to lack of precision in our internal timestamp representation. Extracted from original patch by Nikita Glukhov, Teodor Sigaev, Oleg Bartunov. Heavily revised by me. Discussion: https://postgr.es/m/fcc6fc6a-b497-f39a-923d-aa34d0c588e8%402ndQuadrant.com Discussion: https://postgr.es/m/CAPpHfdsZgYEra_PeCLGNoXOWYx6iU-S3wF8aX0ObQUcZU%2B4XTw%40mail.gmail.com Author: Nikita Glukhov, Teodor Sigaev, Oleg Bartunov, Alexander Korotkov Reviewed-by: Anastasia Lubennikova, Peter Eisentraut		2019-09-16 21:14:32 +03:00
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src	Support for FF1-FF6 datetime format patterns	2019-09-16 21:14:32 +03:00
KNOWN_BUGS	Remove extra newlines at end and beginning of files, add missing newlines	2010-08-19 05:57:36 +00:00
Makefile	Remove maintainer-check target, fold into normal build	2013-10-10 20:11:56 -04:00
MISSING_FEATURES	Remove extra newlines at end and beginning of files, add missing newlines	2010-08-19 05:57:36 +00:00
TODO	Change documentation references to PG website to use https: not http:	2017-05-20 21:50:47 -04:00