postgres/contrib
Tom Lane 0e5c823806 Make postgres_fdw's query_cancel test less flaky.
This test occasionally shows

+WARNING:  could not get result of cancel request due to timeout

which appears to be because the cancel request is sometimes unluckily
sent to the remote session between queries, and then it's ignored.

This patch tries to make that less probable in three ways:

1. Use a test query that does not involve remote estimates, so that
no EXPLAINs are sent.
2. Make sure that the remote session is ready-to-go (transaction
started, SET commands sent) before we start the timer.
3. Increase the statement_timeout to 100ms, to give the local
session enough time to plan and issue the query.

We might have to go higher than 100ms to make this adequately
stable in the buildfarm, but let's see how it goes.

Back-patch to v17 where this test was introduced.

Jelte Fennema-Nio and Tom Lane

Discussion: https://postgr.es/m/578934.1725045685@sss.pgh.pa.us
2024-08-30 16:47:39 -04:00
..
amcheck amcheck: Optimize speed of checking for unique constraint violation 2024-07-28 13:50:57 +03:00
auth_delay Update copyright for 2024 2024-01-03 20:49:05 -05:00
auto_explain Add EXPLAIN (MEMORY) to report planner memory consumption 2024-01-29 17:53:03 +01:00
basebackup_to_shell Update copyright for 2024 2024-01-03 20:49:05 -05:00
basic_archive Add built-in ERROR handling for archive callbacks. 2024-04-02 22:28:11 -05:00
bloom Update copyright for 2024 2024-01-03 20:49:05 -05:00
bool_plperl Update copyright for 2024 2024-01-03 20:49:05 -05:00
btree_gin Update copyright for 2024 2024-01-03 20:49:05 -05:00
btree_gist Mark misc static global variables as const 2024-08-06 23:04:48 +03:00
citext Add argument names to the regexp_XXX functions. 2024-07-25 14:51:46 -04:00
cube Include bison header files into implementation files 2024-08-02 10:25:11 +02:00
dblink Make libpqsrv_cancel's return const char *, not char * 2024-04-05 18:23:10 +02:00
dict_int Update copyright for 2024 2024-01-03 20:49:05 -05:00
dict_xsyn Update copyright for 2024 2024-01-03 20:49:05 -05:00
earthdistance Update copyright for 2024 2024-01-03 20:49:05 -05:00
file_fdw Treat number of disabled nodes in a path as a separate cost metric. 2024-08-21 10:12:30 -04:00
fuzzystrmatch Update copyright for 2024 2024-01-03 20:49:05 -05:00
hstore Optimize escaping of JSON strings 2024-07-27 23:46:07 +12:00
hstore_plperl Update copyright for 2024 2024-01-03 20:49:05 -05:00
hstore_plpython Update copyright for 2024 2024-01-03 20:49:05 -05:00
intagg Update copyright for 2024 2024-01-03 20:49:05 -05:00
intarray Use new overflow-safe integer comparison functions. 2024-02-16 14:05:36 -06:00
isn Convert some extern variables to static 2024-07-02 07:26:22 +02:00
jsonb_plperl Update copyright for 2024 2024-01-03 20:49:05 -05:00
jsonb_plpython Update copyright for 2024 2024-01-03 20:49:05 -05:00
lo Update copyright for 2024 2024-01-03 20:49:05 -05:00
ltree Add hash support functions and hash opclass for contrib/ltree. 2024-03-21 18:27:49 -04:00
ltree_plpython Update copyright for 2024 2024-01-03 20:49:05 -05:00
oid2name Mark misc static global variables as const 2024-08-06 23:04:48 +03:00
pageinspect Remove incidental md5() function use from test 2024-08-16 17:14:32 +02:00
passwordcheck Update copyright for 2024 2024-01-03 20:49:05 -05:00
pg_buffercache Add pg_buffercache_evict() function for testing. 2024-04-08 16:23:40 +12:00
pg_freespacemap Update copyright for 2024 2024-01-03 20:49:05 -05:00
pg_prewarm Unify some error messages 2024-06-20 11:10:26 +02:00
pg_stat_statements Remove volatile qualifiers from pg_stat_statements.c. 2024-08-06 10:56:37 -05:00
pg_surgery Error message capitalisation 2024-01-18 09:35:12 +01:00
pg_trgm Use new overflow-safe integer comparison functions. 2024-02-16 14:05:36 -06:00
pg_visibility Add missing wait_for_catchup() to pg_visibility tap test 2024-08-16 00:58:32 +03:00
pg_walinspect Assign error codes where missing for user-facing failures 2024-07-04 09:48:40 +09:00
pgcrypto pgcrypto: Remove unused binary from clean target 2024-07-25 14:27:01 +02:00
pgrowlocks Update copyright for 2024 2024-01-03 20:49:05 -05:00
pgstattuple Update copyright for 2024 2024-01-03 20:49:05 -05:00
postgres_fdw Make postgres_fdw's query_cancel test less flaky. 2024-08-30 16:47:39 -04:00
seg Include bison header files into implementation files 2024-08-02 10:25:11 +02:00
sepgsql Revise GUC names quoting in messages again 2024-05-17 11:44:26 +02:00
spi Update copyright for 2024 2024-01-03 20:49:05 -05:00
sslinfo Revert "Add notBefore and notAfter to SSL cert info display" 2024-03-22 22:58:41 +01:00
start-scripts Remove gratuitous references to postmaster program 2023-01-26 10:48:32 +01:00
tablefunc Make contrib/tablefunc crosstab() also check typmod 2024-03-09 17:32:32 -05:00
tcn Update copyright for 2024 2024-01-03 20:49:05 -05:00
test_decoding Fix memory counter update in ReorderBuffer. 2024-08-26 11:00:07 -07:00
tsm_system_rows Update copyright for 2024 2024-01-03 20:49:05 -05:00
tsm_system_time Update copyright for 2024 2024-01-03 20:49:05 -05:00
unaccent Add simple codepoint redirections to unaccent.rules. 2024-07-05 15:25:31 +12:00
uuid-ossp Make the order of the header file includes consistent 2024-03-13 15:07:00 +01:00
vacuumlo Update copyright for 2024 2024-01-03 20:49:05 -05:00
xml2 Fix incompatibilities with libxml2 >= 2.12.0. 2024-01-29 12:06:13 -05:00
Makefile Remove the adminpack contrib extension 2024-03-04 12:39:22 +01:00
README
contrib-global.mk
meson.build Remove the adminpack contrib extension 2024-03-04 12:39:22 +01:00

README

The PostgreSQL contrib tree
---------------------------

This subtree contains porting tools, analysis utilities, and plug-in
features that are not part of the core PostgreSQL system, mainly
because they address a limited audience or are too experimental to be
part of the main source tree.  This does not preclude their
usefulness.

User documentation for each module appears in the main SGML
documentation.

When building from the source distribution, these modules are not
built automatically, unless you build the "world" target.  You can
also build and install them all by running "make all" and "make
install" in this directory; or to build and install just one selected
module, do the same in that module's subdirectory.

Some directories supply new user-defined functions, operators, or
types.  To make use of one of these modules, after you have installed
the code you need to register the new SQL objects in the database
system by executing a CREATE EXTENSION command.  In a fresh database,
you can simply do

    CREATE EXTENSION module_name;

See the PostgreSQL documentation for more information about this
procedure.