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Andrew Gierth 321c87e5ca Properly check index mark/restore in ExecSupportsMarkRestore. 
Previously this code assumed that all IndexScan nodes supported
mark/restore, which is not true since it depends on optional index AM
support functions. This could lead to errors about missing support
functions in rare edge cases of mergejoins with no sort keys, where an
unordered non-btree index scan was placed on the inner path without a
protecting Materialize node. (Normally, the fact that merge join
requires ordered input would avoid this error.)

Backpatch all the way since this bug is ancient.

Per report from Eugen Konkov on irc.

Discussion: https://postgr.es/m/87o8jn50be.fsf@news-spur.riddles.org.uk
2020-11-24 21:18:59 +00:00
..
access doc: improve description of synchronous_commit modes 2020-10-15 15:15:28 -04:00
bootstrap Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
catalog Avoid direct C access to possibly-null pg_subscription_rel.srsublsn. 2020-07-21 11:40:47 -04:00
commands Mark assorted variables PGDLLIMPORT. 2017-12-05 09:24:05 -05:00
common Move connect.h from fe_utils to src/include/common. 2020-08-10 09:22:59 -07:00
datatype Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
executor Fix failure with initplans used conditionally during EvalPlanQual rechecks. 2018-09-15 13:42:34 -04:00
fe_utils Empty search_path in Autovacuum and non-psql/pgbench clients. 2018-02-26 07:39:47 -08:00
foreign Separate reinitialization of shared parallel-scan state from ExecReScan. 2017-08-30 13:18:16 -04:00
lib Rename rbtree.c functions to use "rbt" prefix not "rb" prefix. 2018-11-06 13:25:24 -05:00
libpq Fix unportable use of getnameinfo() in pg_hba_file_rules view. 2020-11-02 21:11:50 -05:00
mb Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
nodes Properly check index mark/restore in ExecSupportsMarkRestore. 2020-11-24 21:18:59 +00:00
optimizer Be more careful about the shape of hashable subplan clauses. 2020-08-14 22:14:03 -04:00
parser Fix handling of CREATE TABLE LIKE with inheritance. 2020-08-21 15:00:43 -04:00
port Avoid need for valgrind suppressions for pg_atomic_init_u64 on some platforms. 2020-06-08 20:03:09 -07:00
portability Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
postmaster Log when a BRIN autosummarization request fails 2018-03-14 12:00:53 -03:00
regex Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
replication Fix bogus cache-invalidation logic in logical replication worker. 2020-09-16 12:07:31 -04:00
rewrite Defend against self-referential views in relation_is_updatable(). 2019-11-21 16:21:44 -05:00
snowball Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
statistics Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
storage C comment: correct use of 64-"byte" cache line size 2020-09-04 13:27:52 -04:00
tcop Fix event triggers for partitioned tables 2018-10-06 19:17:46 -03:00
tsearch Fix serious performance problems in json(b) to_tsvector(). 2017-07-18 12:45:51 -04:00
utils Fix and simplify some usages of TimestampDifference(). 2020-11-10 22:51:57 -05:00
.gitignore Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
c.h Fix integer-overflow edge case detection in interval_mul and pgbench. 2019-11-07 11:23:02 -05:00
fmgr.h Fix minor violations of FunctionCallInvoke usage protocol. 2020-04-21 14:23:42 -04:00
funcapi.h Avoid holding a directory FD open across assorted SRF calls. 2020-03-16 21:05:55 -04:00
getaddrinfo.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
getopt_long.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
Makefile Add statistics subdirectory to Makefile. 2017-06-08 11:29:50 -04:00
miscadmin.h Add unlikely() to CHECK_FOR_INTERRUPTS() 2020-06-05 16:49:35 -04:00
pg_config.h.in Replace use of sys_siglist[] with strsignal(). 2020-07-15 22:05:12 -04:00
pg_config.h.win32 Stamp 10.15. 2020-11-09 17:29:52 -05:00
pg_config_ext.h.in Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_ext.h.win32 Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_manual.h Fix default minimum value for descending sequences 2017-01-23 14:00:58 -05:00
pg_getopt.h Use our own getopt() on OpenBSD. 2019-01-18 15:06:26 -05:00
pg_trace.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
pgstat.h Add GUC variables for stat tracking and timeout as PGDLLIMPORT 2020-01-21 13:47:05 +09:00
pgtar.h Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
pgtime.h Mark assorted variables PGDLLIMPORT. 2017-12-05 09:24:05 -05:00
port.h In the postmaster, rely on the signal infrastructure to block signals. 2020-10-15 12:50:57 -04:00
postgres.h Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
postgres_ext.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
postgres_fe.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
rusagestub.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
windowapi.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00