psql: add an optional execution-count limit to \watch. \watch can now be told to stop after N executions of the query.
With the idea that we might want to add more options to \watch in future, this patch generalizes the command's syntax to a list of name=value options, with the interval allowed to omit the name for backwards compatibility. Andrey Borodin, reviewed by Kyotaro Horiguchi, Nathan Bossart, Michael Paquier, Yugo Nagata, and myself Discussion: https://postgr.es/m/CAAhFRxiZ2-n_L1ErMm9AZjgmUK=qs6vhb+0samn8sqqbhf7...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/00beecfe839c878abb366b68272426ed5296bc2b Modified Files -------------- doc/src/sgml/ref/psql-ref.sgml | 10 +++- src/bin/psql/command.c | 118 +++++++++++++++++++++++++++++++------ src/bin/psql/help.c | 2 +- src/bin/psql/t/001_basic.pl | 33 ++++++++--- src/test/regress/expected/psql.out | 2 +- src/test/regress/sql/psql.sql | 2 +- 6 files changed, 135 insertions(+), 32 deletions(-)
