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Alexander Korotkov 8c8a267201 Fix freeing old values in index_store_float8_orderby_distances() 
6cae9d2c10 has added an error in freeing old values in
index_store_float8_orderby_distances() function.  It looks for old value in
scan->xs_orderbynulls[i] after setting a new value there.
This commit fixes that.  Also it removes short-circuit in handling
distances == NULL situation.  Now distances == NULL will be treated the same
way as array with all null distances.  That is, previous values will be freed
if any.

Reported-by: Tom Lane, Nikita Glukhov
Discussion: https://postgr.es/m/CAPpHfdu2wcoAVAm3Ek66rP%3Duo_C-D84%2B%2Buf1VEcbyi_caBXWCA%40mail.gmail.com
Discussion: https://postgr.es/m/426580d3-a668-b9d1-7b8e-f74d1a6524e0%40postgrespro.ru
Backpatch-through: 12
2019-09-20 01:19:08 +03:00
..
backend Fix freeing old values in index_store_float8_orderby_distances() 2019-09-20 01:19:08 +03:00
bin pg_upgrade/test.sh: Quote sed(1) argument 2019-09-18 11:27:11 -03:00
common Refactor logic to remove trailing CR/LF characters from strings 2019-08-09 11:05:14 +09:00
fe_utils Fix memory leak coming from simple lists built in reindexdb 2019-07-30 10:54:48 +09:00
include Improve handling of NULLs in KNN-GiST and KNN-SP-GiST 2019-09-19 21:48:39 +03:00
interfaces GSSAPI error message improvements 2019-09-19 15:09:49 +02:00
makefiles Remove support for non-ELF BSD systems 2019-07-01 23:56:20 +01:00
pl Split tuptoaster.c into three separate files. 2019-09-05 13:15:10 -04:00
port Use explicit_bzero 2019-09-05 08:30:42 +02:00
template Yet further rethinking of build changes for macOS Mojave. 2018-11-02 18:54:00 -04:00
test Improve handling of NULLs in KNN-GiST and KNN-SP-GiST 2019-09-19 21:48:39 +03:00
timezone Use zic's new "-b slim" option to generate smaller timezone files. 2019-08-19 13:17:02 -04:00
tools Improve handling of NULLs in KNN-GiST and KNN-SP-GiST 2019-09-19 21:48:39 +03:00
tutorial Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
.gitignore Convert cvsignore to gitignore, and add .gitignore for build targets. 2010-09-22 12:57:04 +02:00
DEVELOPERS Replace a couple of references to files that no longer exist in the source 2009-05-04 08:08:47 +00:00
Makefile Fix partial-build problems introduced by having more generated headers. 2018-04-09 16:42:10 -04:00
Makefile.global.in Fix inconsistencies and typos in the tree 2019-07-29 12:28:30 +09:00
Makefile.shlib Remove support for non-ELF BSD systems 2019-07-01 23:56:20 +01:00
nls-global.mk Move logging.h and logging.c from src/fe_utils/ to src/common/. 2019-05-14 14:20:10 -04:00