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Peter Geoghegan d088ba5a5a nbtree: Allocate new pages in separate function. ... Split nbtree's _bt_getbuf function is two: code that read locks or write locks existing pages remains in _bt_getbuf, while code that deals with allocating new pages is moved to a new, dedicated function called _bt_allocbuf. This simplifies most _bt_getbuf callers, since it is no longer necessary for them to pass a heaprel argument. Many of the changes to nbtree from commit 61b313e4 can be reverted. This minimizes the divergence between HEAD/PostgreSQL 16 and earlier release branches. _bt_allocbuf replaces the previous nbtree idiom of passing P_NEW to _bt_getbuf. There are only 3 affected call sites, all of which continue to pass a heaprel for recovery conflict purposes. Note that nbtree's use of P_NEW was superficial; nbtree never actually relied on the P_NEW code paths in bufmgr.c, so this change is strictly mechanical. GiST already took the same approach; it has a dedicated function for allocating new pages called gistNewBuffer(). That factor allowed commit 61b313e4 to make much more targeted changes to GiST. Author: Peter Geoghegan <pg@bowt.ie> Reviewed-By: Heikki Linnakangas <hlinnaka@iki.fi> Discussion: https://postgr.es/m/CAH2-Wz=8Z9qY58bjm_7TAHgtW6RzZ5Ke62q5emdCEy9BAzwhmg@mail.gmail.com		2 years ago
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expected	Remove io prefix from pg_stat_io columns	2 years ago
sql	Remove io prefix from pg_stat_io columns	2 years ago
t	Pre-beta mechanical code beautification.	2 years ago
.gitignore	Add .gitignore to contrib/amcheck.	9 years ago
Makefile	Extend amcheck to check heap pages.	5 years ago
amcheck--1.0--1.1.sql	Add amcheck verification of heap relations belonging to btree indexes.	8 years ago
amcheck--1.0.sql	…
amcheck--1.1--1.2.sql	Allow amcheck to re-find tuples using new search.	7 years ago
amcheck--1.2--1.3.sql	Extend amcheck to check heap pages.	5 years ago
amcheck.control	Extend amcheck to check heap pages.	5 years ago
meson.build	Update copyright for 2023	3 years ago
verify_heapam.c	Pre-beta mechanical code beautification.	2 years ago
verify_nbtree.c	nbtree: Allocate new pages in separate function.	2 years ago