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postgresql/src/include/utils
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Tom Lane 82063edd4a Be more wary about NULL values for GUC string variables. 
get_explain_guc_options() crashed if a string GUC marked GUC_EXPLAIN
has a NULL boot_val.  Nosing around found a couple of other places
that seemed insufficiently cautious about NULL string values, although
those are likely unreachable in practice.  Add some commentary
defining the expectations for NULL values of string variables,
in hopes of forestalling future additions of more such bugs.

Xing Guo, Aleksander Alekseev, Tom Lane

Discussion: https://postgr.es/m/CACpMh+AyDx5YUpPaAgzVwC1d8zfOL4JoD-uyFDnNSa1z0EsDQQ@mail.gmail.com
2023-11-02 11:47:33 -04:00
..
.gitignore Revert "Add gitignore entries for jsonpath_gram.h" 2019-03-23 00:19:34 +01:00
acl.h Revert MAINTAIN privilege and pg_maintain predefined role. 2023-07-07 11:25:23 -07:00
aclchk_internal.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
array.h Allow parallel aggregate on string_agg and array_agg 2023-01-23 17:35:01 +13:00
arrayaccess.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
ascii.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
attoptcache.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
backend_progress.h Fix CREATE INDEX progress reporting for multi-level partitioning. 2023-03-25 15:34:03 -04:00
backend_status.h Use actual backend IDs in pg_stat_get_backend_subxact(). 2023-08-30 14:47:20 -07:00
builtins.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
bytea.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
cash.h Convert *GetDatum() and DatumGet*() macros to inline functions 2022-09-27 20:50:21 +02:00
catcache.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
combocid.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
conffiles.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
date.h Add back SQLValueFunction for SQL keywords 2023-05-17 10:19:17 +09:00
datetime.h Refactor datetime functions' timezone lookup code to reduce duplication. 2023-03-17 17:47:19 -04:00
datum.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
dsa.h Avoid type cheats for invalid dsa_handles and dshash_table_handles. 2023-01-25 11:48:38 -05:00
dynahash.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
elog.h Avoid calling proc_exit() in processes forked by system(). 2023-10-17 10:41:58 -05:00
evtcache.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
expandeddatum.h New header varatt.h split off from postgres.h 2023-01-10 05:54:36 +01:00
expandedrecord.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
float.h Doc: improve commentary about providing our own definitions of M_PI. 2023-01-08 16:25:33 -05:00
fmgrtab.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
formatting.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
freepage.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
geo_decls.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
guc.h Revert "Fix search_path to a safe value during maintenance operations." 2023-06-10 08:11:41 -07:00
guc_hooks.h Rename hook functions for debug_io_direct to match variable name. 2023-08-24 22:27:53 +12:00
guc_tables.h Be more wary about NULL values for GUC string variables. 2023-11-02 11:47:33 -04:00
help_config.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
hsearch.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
index_selfuncs.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
inet.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
inval.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
json.h SQL/JSON: support the IS JSON predicate 2023-03-31 22:34:04 +02:00
jsonb.h SQL/JSON: add standard JSON constructor functions 2023-03-29 12:11:36 +02:00
jsonfuncs.h SQL/JSON: support the IS JSON predicate 2023-03-31 22:34:04 +02:00
jsonpath.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
logtape.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
lsyscache.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
memdebug.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
memutils.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
memutils_internal.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
memutils_memorychunk.h Fix various typos 2023-04-18 13:23:23 +12:00
meson.build meson: Add dependencies to perl modules to various script invocations 2023-06-09 20:12:16 -07:00
multirangetypes.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
numeric.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
old_snapshot.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
palloc.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
partcache.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
pg_crc.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
pg_locale.h Pre-beta mechanical code beautification. 2023-05-19 17:24:48 -04:00
pg_lsn.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
pg_rusage.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
pgstat_internal.h Fix various typos and incorrect/outdated name references 2023-04-19 13:50:33 +12:00
pidfile.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
plancache.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
portal.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
ps_status.h Speedup and increase usability of set proc title functions 2023-02-20 16:18:27 +13:00
queryenvironment.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
rangetypes.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
regproc.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
rel.h Pre-beta mechanical code beautification. 2023-05-19 17:24:48 -04:00
relcache.h Document RelationGetIndexAttrBitmap better 2023-08-10 12:04:07 +02:00
relfilenumbermap.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
relmapper.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
relptr.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
reltrigger.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
resowner.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
resowner_private.h bufmgr: Support multiple in-progress IOs by using resowner 2023-04-05 14:17:55 -07:00
rls.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
ruleutils.h pageinspect: Fix gist_page_items() with included columns 2023-05-19 12:37:58 +09:00
sampling.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
selfuncs.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
sharedtuplestore.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
snapmgr.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
snapshot.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
sortsupport.h Fix various typos and incorrect/outdated name references 2023-04-19 13:50:33 +12:00
spccache.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
syscache.h Add SysCacheGetAttrNotNull for guaranteed not-null attrs 2023-03-25 22:49:33 +01:00
timeout.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
timestamp.h Add back SQLValueFunction for SQL keywords 2023-05-17 10:19:17 +09:00
tuplesort.h nbtree: Allocate new pages in separate function. 2023-06-10 14:08:25 -07:00
tuplestore.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
typcache.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
tzparser.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
usercontext.h Perform logical replication actions as the table owner. 2023-04-04 11:25:23 -04:00
uuid.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
varbit.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
varlena.h Pre-beta mechanical code beautification. 2023-05-19 17:24:48 -04:00
wait_event.h Improve the naming of Parallel Hash Join phases. 2023-03-23 13:14:25 +13:00
xid8.h Update copyright for 2023 2023-01-02 15:00:37 -05:00
xml.h Support [NO] INDENT option in XMLSERIALIZE(). 2023-03-15 16:59:09 -04:00