pgsql: Add hooks for session start and session end - Mailing list pgsql-committers

Add hooks for session start and session end

These hooks can be used in loadable modules. A simple test module is
included.

Discussion:  https://postgr.es/m/20170720204733.40f2b7eb.nagata@sraoss.co.jp

Fabrízio de Royes Mello  and Yugo Nagata
Reviewed by Michael Paquier and Aleksandr Parfenov

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/cd8ce3a22c0b48d32ffe6543837ba3bb647ac2b2

Modified Files
--------------
src/backend/tcop/postgres.c                        |   6 +
src/backend/utils/init/postinit.c                  |   6 +
src/include/tcop/tcopprot.h                        |   7 ++
src/test/modules/Makefile                          |   1 +
src/test/modules/test_session_hooks/.gitignore     |   4 +
src/test/modules/test_session_hooks/Makefile       |  21 ++++
src/test/modules/test_session_hooks/README         |   2 +
.../expected/test_session_hooks.out                |  31 +++++
.../modules/test_session_hooks/session_hooks.conf  |   2 +
.../test_session_hooks/sql/test_session_hooks.sql  |  12 ++
.../test_session_hooks/test_session_hooks--1.0.sql |   4 +
.../test_session_hooks/test_session_hooks.c        | 134 +++++++++++++++++++++
.../test_session_hooks/test_session_hooks.control  |   3 +
13 files changed, 233 insertions(+)