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Nathan Bossart 0164a0f9ee Add vacuum_truncate configuration parameter. ... This new parameter works just like the storage parameter of the same name: if set to true (which is the default), autovacuum and VACUUM attempt to truncate any empty pages at the end of the table. It is primarily intended to help users avoid locking issues on hot standbys. The setting can be overridden with the storage parameter or VACUUM's TRUNCATE option. Since there's presently no way to determine whether a Boolean storage parameter is explicitly set or has just picked up the default value, this commit also introduces an isset_offset member to relopt_parse_elt. Suggested-by: Will Storey <will@summercat.com> Author: Nathan Bossart <nathandbossart@gmail.com> Co-authored-by: Gurjeet Singh <gurjeet@singh.im> Reviewed-by: Laurenz Albe <laurenz.albe@cybertec.at> Reviewed-by: Fujii Masao <masao.fujii@oss.nttdata.com> Reviewed-by: Robert Treat <rob@xzilla.net> Discussion: https://postgr.es/m/Z2DE4lDX4tHqNGZt%40dev.null		9 months ago
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activity	Fix copy-paste error related to the autovacuum launcher in pgstat_io.c	9 months ago
adt	Fix ARRAY_SUBLINK and ARRAY[] for int2vector and oidvector input.	10 months ago
cache	Add some opfamily support functions to lsyscache.c	9 months ago
error	Remove various unnecessary (char *) casts	10 months ago
fmgr	extension_control_path	9 months ago
hash	pg_noreturn to replace pg_attribute_noreturn()	10 months ago
init	aio: Infrastructure for io_method=worker	9 months ago
mb	Update copyright for 2025	12 months ago
misc	Add vacuum_truncate configuration parameter.	9 months ago
mmgr	pg_noreturn to replace pg_attribute_noreturn()	10 months ago
resowner	aio: Basic subsystem initialization	9 months ago
sort	Simplify and generalize PrepareSortSupportFromIndexRel()	9 months ago
time	Improve snapmgr.c comment	10 months ago
.gitignore	…
Gen_dummy_probes.pl	Update copyright for 2025	12 months ago
Gen_fmgrtab.pl	Update copyright for 2025	12 months ago
Makefile	Update copyright for 2025	12 months ago
errcodes.txt	Update copyright for 2025	12 months ago
generate-errcodes.pl	Update copyright for 2025	12 months ago
meson.build	Update copyright for 2025	12 months ago
postprocess_dtrace.sed	Update copyright for 2025	12 months ago
probes.d	Update copyright for 2025	12 months ago