Implement pipeline mode in libpq Pipeline mode in libpq lets an application avoid the Sync messages in the FE/BE protocol that are implicit in the old libpq API after each query. The application can then insert Sync at its leisure with a new libpq function PQpipelineSync. This can lead to substantial reductions in query latency.
Co-authored-by: Craig Ringer <craig.rin...@enterprisedb.com> Co-authored-by: Matthieu Garrigues <matthieu.garrig...@gmail.com> Co-authored-by: Álvaro Herrera <alvhe...@alvh.no-ip.org> Reviewed-by: Andres Freund <and...@anarazel.de> Reviewed-by: Aya Iwata <iwata....@jp.fujitsu.com> Reviewed-by: Daniel Vérité <dan...@manitou-mail.org> Reviewed-by: David G. Johnston <david.g.johns...@gmail.com> Reviewed-by: Justin Pryzby <pry...@telsasoft.com> Reviewed-by: Kirk Jamison <k.jami...@fujitsu.com> Reviewed-by: Michael Paquier <michael.paqu...@gmail.com> Reviewed-by: Nikhil Sontakke <nikh...@2ndquadrant.com> Reviewed-by: Vaishnavi Prabakaran <vaishna...@fast.au.fujitsu.com> Reviewed-by: Zhihong Yu <z...@yugabyte.com> Discussion: https://postgr.es/m/CAMsr+YFUjJytRyV4J-16bEoiZyH=4nj+sQ7JP9ajwz=b4dm...@mail.gmail.com Discussion: https://postgr.es/m/cajkzx4t5e-2cqe3dtv2r78dyfvz+in8py7a8marvlhs_pg7...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/acb7e4eb6b1c614c68a62fb3a6a5bba1af0a2659 Modified Files -------------- doc/src/sgml/libpq.sgml | 522 +++++++- doc/src/sgml/lobj.sgml | 4 + .../libpqwalreceiver/libpqwalreceiver.c | 6 + src/bin/pg_amcheck/pg_amcheck.c | 2 + src/interfaces/libpq/exports.txt | 4 + src/interfaces/libpq/fe-connect.c | 37 +- src/interfaces/libpq/fe-exec.c | 717 +++++++++-- src/interfaces/libpq/fe-protocol3.c | 77 +- src/interfaces/libpq/libpq-fe.h | 21 +- src/interfaces/libpq/libpq-int.h | 60 +- src/test/modules/Makefile | 1 + src/test/modules/libpq_pipeline/.gitignore | 5 + src/test/modules/libpq_pipeline/Makefile | 20 + src/test/modules/libpq_pipeline/README | 1 + src/test/modules/libpq_pipeline/libpq_pipeline.c | 1303 ++++++++++++++++++++ .../modules/libpq_pipeline/t/001_libpq_pipeline.pl | 28 + src/tools/msvc/Mkvcbuild.pm | 9 +- src/tools/pgindent/typedefs.list | 2 + 18 files changed, 2706 insertions(+), 113 deletions(-)
