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Amit Kapila 13e8643bfc During pg_upgrade, conditionally skip transfer of FSMs. 
If a heap on the old cluster has 4 pages or fewer, and the old cluster
was PG v11 or earlier, don't copy or link the FSM. This will shrink
space usage for installations with large numbers of small tables.

This will allow pg_upgrade to take advantage of commit b0eaa4c51b where
we have avoided creation of the free space map for small heap relations.

Author: John Naylor
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/CACPNZCu4cOdm3uGnNEGXivy7Gz8UWyQjynDpdkPGabQ18_zK6g%40mail.gmail.com
 		2019-03-15 08:25:57 +05:30
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backend Fix some oversights in commit 2455ab488. 2019-03-14 18:36:33 -04:00
bin During pg_upgrade, conditionally skip transfer of FSMs. 2019-03-15 08:25:57 +05:30
common Add routine able to update the control file to src/common/ 2019-03-12 10:03:33 +09:00
fe_utils More unconstify use 2019-02-13 11:50:16 +01:00
include Add BKI_DEFAULT to pg_class.relrewrite 2019-03-14 21:25:39 +01:00
interfaces Fix potential memory access violation in ecpg if filename of include file is 2019-03-11 16:11:16 +01:00
makefiles Move port-specific parts of with_temp_install to port makefile. 2019-02-04 18:54:56 +00:00
pl Refactor ParamListInfo initialization 2019-03-14 13:30:09 +01:00
port Fix error handling of readdir() port implementation on first file lookup 2019-03-04 09:49:06 +09:00
template Yet further rethinking of build changes for macOS Mojave. 2018-11-02 18:54:00 -04:00
test Reorder identity regression test 2019-03-15 00:21:30 +01:00
timezone More unconstify use 2019-02-13 11:50:16 +01:00
tools Create a script that can renumber manually-assigned OIDs. 2019-03-12 10:50:48 -04:00
tutorial SQL comment: remove extra word in heading comment 2019-01-25 18:57:21 -05:00
.gitignore
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DEVELOPERS
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Makefile Fix partial-build problems introduced by having more generated headers. 2018-04-09 16:42:10 -04:00
Makefile.global.in Revert attempts to use POPCNT etc instructions 2019-02-15 16:32:30 -03:00
Makefile.shlib Ensure static libraries have correct mod time even if ranlib messes it up. 2018-11-29 15:53:44 -05:00
nls-global.mk Replace @postgresql.org with @lists.postgresql.org for mailinglists 2019-01-19 19:06:35 +01:00