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Thomas Munro d2fd7f74ee Fix off-by-one error in txid_status(). 
The transaction ID returned by GetNextXidAndEpoch() is in the future,
so we can't attempt to access its status or we might try to read a
CLOG page that doesn't exist.  The > vs >= confusion probably stemmed
from the choice of a variable name containing the word "last" instead
of "next", so fix that too.

Back-patch to 10 where the function arrived.

Author: Thomas Munro
Discussion: https://postgr.es/m/CA%2BhUKG%2Buua_BV5cyfsioKVN2d61Lukg28ECsWTXKvh%3DBtN2DPA%40mail.gmail.com
 		2019-03-27 21:30:04 +13:00
..
backend Fix off-by-one error in txid_status(). 2019-03-27 21:30:04 +13:00
bin Switch some palloc/memset calls to palloc0 2019-03-27 12:02:50 +09:00
common Refactor more code logic to update the control file 2019-03-18 12:59:35 +09:00
fe_utils pgbench: Remove \cset 2019-03-25 12:16:07 -03:00
include Switch function current_schema[s]() to be parallel-unsafe 2019-03-27 11:35:12 +09:00
interfaces Restructure libpq's handling of send failures. 2019-03-19 16:20:28 -04:00
makefiles Move port-specific parts of with_temp_install to port makefile. 2019-02-04 18:54:56 +00:00
pl Transaction chaining 2019-03-24 11:33:02 +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 Switch function current_schema[s]() to be parallel-unsafe 2019-03-27 11:35:12 +09:00
timezone More unconstify use 2019-02-13 11:50:16 +01:00
tools Compute XID horizon for page level index vacuum on primary. 2019-03-26 16:52:54 -07:00
tutorial SQL comment: remove extra word in heading comment 2019-01-25 18:57:21 -05:00
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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