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87bff68840
postgresql/src
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Andres Freund 87bff68840 pgbench: When using pipelining only do PQconsumeInput() when necessary. 
Up to now we did a PQconsumeInput() for each pipelined query, asking the OS
for more input - which it often won't have, as all results might already have
been sent. That turns out to have a noticeable performance impact.

Alvaro Herrera reviewed the idea to add the PQisBusy() check, but not this
concrete patch.

Author: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/20210720180039.23rivhdft3l4mayn@alap3.anarazel.de
Backpatch: 14, where libpq/pgbench pipelining was introduced.
2021-08-04 19:19:44 -07:00
..
backend pgstat: split reporting/fetching of bgwriter and checkpointer stats. 2021-08-04 19:16:04 -07:00
bin pgbench: When using pipelining only do PQconsumeInput() when necessary. 2021-08-04 19:19:44 -07:00
common Simplify error handing of jsonapi.c for the frontend 2021-07-02 09:35:12 +09:00
fe_utils Skip trailing whitespaces when parsing integer options 2021-07-27 10:39:05 +09:00
include pgstat: split reporting/fetching of bgwriter and checkpointer stats. 2021-08-04 19:16:04 -07:00
interfaces interval: round values when spilling to months 2021-08-03 12:10:29 -04:00
makefiles Add NO_INSTALL option to pgxs 2021-05-27 13:58:29 +02:00
pl Fix corner-case uninitialized-variable issues in plpgsql. 2021-07-20 13:01:48 -04:00
port Make printf("%s", NULL) print "(null)" instead of crashing. 2021-07-24 13:41:17 -04:00
template Further tweaking of PG_SYSROOT heuristics for macOS. 2021-01-20 12:07:23 -05:00
test Add prepare API support for streaming transactions in logical replication. 2021-08-04 07:47:06 +05:30
timezone Update time zone data files to tzdata release 2021a. 2021-01-24 16:29:47 -05:00
tools Adjust MSVC build scripts to parse Makefiles for defines 2021-07-29 12:01:23 +12:00
tutorial doc: Prefer explicit JOIN syntax over old implicit syntax in tutorial 2021-04-08 10:51:26 +02:00
.gitignore
DEVELOPERS
Makefile Remove the option to build thread_test.c outside configure. 2020-10-21 12:08:48 -04:00
Makefile.global.in Fix prove_installcheck to use correct paths when used with PGXS 2021-07-01 09:02:46 -04:00
Makefile.shlib Add PostgreSQL home page to --help output 2020-02-28 13:12:21 +01:00
nls-global.mk Add errhint_plural() function and make use of it 2021-03-31 09:16:25 +02:00