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3499df0dee
postgresql/src/test/regress
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Peter Geoghegan 3499df0dee Support disabling index bypassing by VACUUM. 
Generalize the INDEX_CLEANUP VACUUM parameter (and the corresponding
reloption): make it into a ternary style boolean parameter.  It now
exposes a third option, "auto".  The "auto" option (which is now the
default) enables the "bypass index vacuuming" optimization added by
commit 1e55e7d1.

"VACUUM (INDEX_CLEANUP TRUE)" is redefined to once again make VACUUM
simply do any required index vacuuming, regardless of how few dead
tuples are encountered during the first scan of the target heap relation
(unless there are exactly zero).  This gives users a way of opting out
of the "bypass index vacuuming" optimization, if for whatever reason
that proves necessary.  It is also expected to be used by PostgreSQL
developers as a testing option from time to time.

"VACUUM (INDEX_CLEANUP FALSE)" does the same thing as it always has: it
forcibly disables both index vacuuming and index cleanup.  It's not
expected to be used much in PostgreSQL 14.  The failsafe mechanism added
by commit 1e55e7d1 addresses the same problem in a simpler way.
INDEX_CLEANUP can now be thought of as a testing and compatibility
option.

Author: Peter Geoghegan <pg@bowt.ie>
Reviewed-By: Masahiko Sawada <sawada.mshk@gmail.com>
Reviewed-By: Justin Pryzby <pryzby@telsasoft.com>
Discussion: https://postgr.es/m/CAH2-WznrBoCST4_Gxh_G9hA8NzGUbeBGnOUC8FcXcrhqsv6OHQ@mail.gmail.com
2021-06-18 20:04:07 -07:00
..
data Fix full text search to handle NOT above a phrase search correctly. 2020-04-27 12:21:04 -04:00
expected Support disabling index bypassing by VACUUM. 2021-06-18 20:04:07 -07:00
input Replace opr_sanity test's binary_coercible() function with C code. 2021-05-11 14:28:11 -04:00
output Replace opr_sanity test's binary_coercible() function with C code. 2021-05-11 14:28:11 -04:00
sql Support disabling index bypassing by VACUUM. 2021-06-18 20:04:07 -07:00
.gitignore Fix inconsistencies and typos in the tree, take 10 2019-08-13 13:53:41 +09:00
GNUmakefile Avoid creating testtablespace directories where not wanted. 2021-05-19 14:04:01 -04:00
Makefile Fix non-GNU makefiles for AIX make. 2017-11-30 00:57:22 -08:00
parallel_schedule Replace opr_sanity test's binary_coercible() function with C code. 2021-05-11 14:28:11 -04:00
pg_regress_main.c Allow configurable LZ4 TOAST compression. 2021-03-19 15:10:38 -04:00
pg_regress.c Ignore more environment variables in pg_regress.c 2021-06-13 20:07:39 +09:00
pg_regress.h Allow pg_regress.c wrappers to postprocess test result files. 2021-01-11 13:43:19 -05:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00
regress.c Initial pgindent and pgperltidy run for v14. 2021-05-12 13:14:10 -04:00
regressplans.sh Fix inconsistencies in the code 2019-07-08 13:15:09 +09:00
resultmap Cygwin and Mingw floating-point fixes. 2019-02-16 01:50:16 +00:00
standby_schedule

README 

Documentation concerning how to run these regression tests and interpret
the results can be found in the PostgreSQL manual, in the chapter
"Regression Tests".