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10 commits

Author SHA1 Message Date
Robert Haas
a315b967cc Allow custom and foreign scans to have shutdown callbacks. 
This is expected to be useful mostly when performing such scans in
parallel, because in that case it allows (in combination with commit
acf555bc53) nodes below a Gather to get
control just before the DSM segment goes away.

KaiGai Kohei, except that I rewrote the documentation.  Reviewed by
Claudio Freire.

Discussion: http://postgr.es/m/CADyhKSXJK0jUJ8rWv4AmKDhsUh124_rEn39eqgfC5D8fu6xVuw@mail.gmail.com
 2017-02-26 13:41:12 +05:30
Bruce Momjian
1d25779284 Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
Robert Haas
4bc424b968 pgindent run for 9.6 2016-06-09 18:02:36 -04:00
Robert Haas
69d34408e5 Allow parallel custom and foreign scans. 
This patch doesn't put the new infrastructure to use anywhere, and
indeed it's not clear how it could ever be used for something like
postgres_fdw which has to send an SQL query and wait for a reply,
but there might be FDWs or custom scan providers that are CPU-bound,
so let's give them a way to join club parallel.

KaiGai Kohei, reviewed by me.
 2016-02-03 12:49:46 -05:00
Bruce Momjian
ee94300446 Update copyright for 2016 
Backpatch certain files through 9.1
 2016-01-02 13:33:40 -05:00
Bruce Momjian
4baaf863ec Update copyright for 2015 
Backpatch certain files through 9.0
 2015-01-06 11:43:47 -05:00
Bruce Momjian
7e04792a1c Update copyright for 2014 
Update all files in head, and files COPYRIGHT and legal.sgml in all back
branches.
 2014-01-07 16:05:30 -05:00
Bruce Momjian
bd61a623ac Update copyrights for 2013 
Fully update git head, and update back branches in ./COPYRIGHT and
legal.sgml files.
 2013-01-01 17:15:01 -05:00
Bruce Momjian
e126958c2e Update copyright notices for year 2012. 2012-01-01 18:01:58 -05:00
Tom Lane
bb74240794 Implement an API to let foreign-data wrappers actually be functional. 
This commit provides the core code and documentation needed.  A contrib
module test case will follow shortly.

Shigeru Hanada, Jan Urbanski, Heikki Linnakangas
 2011-02-20 00:18:14 -05:00