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postgresql/src/include
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Tomas Vondra 86b7cca72d Check parallel safety in generate_useful_gather_paths 
Commit ebb7ae839d ensured we ignore pathkeys with volatile expressions
when considering adding a sort below a Gather Merge. Turns out we need
to care about parallel safety of the pathkeys too, otherwise we might
try sorting e.g. on results of a correlated subquery (as demonstrated
by a report from Luis Roberto).

Initial investigation by Tom Lane, patch by James Coleman. Backpatch
to 13, where the code was instroduced (as part of Incremental Sort).

Reported-by: Luis Roberto
Author: James Coleman
Reviewed-by: Tomas Vondra
Backpatch-through: 13
Discussion: https://postgr.es/m/622580997.37108180.1604080457319.JavaMail.zimbra%40siscobra.com.br
Discussion: https://postgr.es/m/CAAaqYe8cK3g5CfLC4w7bs=hC0mSksZC=H5M8LSchj5e5OxpTAg@mail.gmail.com
2020-12-21 18:29:49 +01:00
..
access Multirange datatypes 2020-12-20 07:20:33 +03:00
bootstrap Update copyrights for 2020 2020-01-01 12:21:45 -05:00
catalog Multirange datatypes 2020-12-20 07:20:33 +03:00
commands Multirange datatypes 2020-12-20 07:20:33 +03:00
common Refactor logic to check for ASCII-only characters in string 2020-12-21 09:37:11 +09:00
datatype Update copyrights for 2020 2020-01-01 12:21:45 -05:00
executor Support subscripting of arbitrary types, not only arrays. 2020-12-09 12:40:37 -05:00
fe_utils Move connect.h from fe_utils to src/include/common. 2020-08-10 09:22:54 -07:00
foreign Update copyrights for 2020 2020-01-01 12:21:45 -05:00
jit jit: Reference function pointer types via llvmjit_types.c. 2020-12-08 16:55:20 -08:00
lib Correct comment in simplehash.h. 2020-08-03 12:23:05 +12:00
libpq Add support for abstract Unix-domain sockets 2020-11-25 08:33:57 +01:00
mb Allow Unicode escapes in any server encoding, not only UTF-8. 2020-03-06 14:17:43 -05:00
nodes Support subscripting of arbitrary types, not only arrays. 2020-12-09 12:40:37 -05:00
optimizer Check parallel safety in generate_useful_gather_paths 2020-12-21 18:29:49 +01:00
parser Support subscripting of arbitrary types, not only arrays. 2020-12-09 12:40:37 -05:00
partitioning Improve error cursor positions for problems with partition bounds. 2020-09-23 18:04:53 -04:00
port Use https for gnu.org links 2020-10-14 08:24:54 +02:00
portability Update copyrights for 2020 2020-01-01 12:21:45 -05:00
postmaster Trigger autovacuum based on number of INSERTs 2020-03-28 19:20:12 +13:00
regex Assume that we have <wchar.h>. 2020-02-21 14:30:47 -05:00
replication Move SHA2 routines to a new generic API layer for crypto hashes 2020-12-02 10:37:20 +09:00
rewrite Calculate extraUpdatedCols in query rewriter, not parser. 2020-10-28 13:47:02 -04:00
snowball Update snowball 2020-06-08 08:07:15 +02:00
statistics Improve estimation of OR clauses using extended statistics. 2020-12-03 10:03:49 +00:00
storage Use truncate(2) where appropriate. 2020-12-01 15:42:22 +13:00
tcop Fix bogus completion tag usage in walsender 2020-09-16 21:16:25 -03:00
tsearch Improve behavior of tsearch_readline(), and remove t_readline(). 2020-09-23 20:26:58 -04:00
utils Multirange datatypes 2020-12-20 07:20:33 +03:00
.gitignore Refactor dlopen() support 2018-09-06 11:33:04 +02:00
c.h Support subscripting of arbitrary types, not only arrays. 2020-12-09 12:40:37 -05:00
fmgr.h Use PG_GETARG_TRANSACTIONID where appropriate 2020-11-02 16:48:22 +01:00
funcapi.h Support for OUT parameters in procedures 2020-10-05 09:21:43 +02:00
getaddrinfo.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
getopt_long.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
Makefile Get rid of jsonpath_gram.h and jsonpath_scanner.h 2019-03-20 11:13:34 +03:00
miscadmin.h Add hash_mem_multiplier GUC. 2020-07-29 14:14:58 -07:00
pg_config.h.in Remove ability to independently select random number generator 2020-11-20 13:57:33 +01:00
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_manual.h Add nbtree Valgrind buffer lock checks. 2020-07-21 15:50:58 -07:00
pg_getopt.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
pg_trace.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
pgstat.h Track total number of WAL records, FPIs and bytes generated in the cluster. 2020-12-02 13:00:15 +09:00
pgtar.h Assorted cleanup of tar-related code. 2020-06-15 15:28:49 -04:00
pgtime.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
port.h Add pg_strong_random_init function to initialize random number generator 2020-11-06 13:21:28 +01:00
postgres.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
postgres_ext.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
postgres_fe.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
rusagestub.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
windowapi.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00