For many GUCs, special values like -1, "", etc. have some sort of special
meaning, such as disabling the feature. While the documentation seems to
be reasonably good about listing special values, the GUC descriptions are
less consistent. Many GUC descriptions don't state the special values at
all, and the ones that do are inconsistent in phrasing and placement (e.g.,
a couple list them in the short description, but most list them in the long
description). I figured I'd try to add some consistency here.
In the attached patch, I've attempted to apply the following proposed rules
to the descriptions of GUCs that accept special values:
* The special values should be listed at the end of the long description.
* Descriptions should use numerals (0) instead of words (zero).
* The special value notes should be consistently worded and as direct as
possible (e.g., "0 disables the timeout.", "An empty string means to use
the system setting.").
There are a few exceptions, such as max_pred_locks_per_relation and
search_path, where the special values are too complicated to include. And
there are cases like unix_socket_directories, listen_addresses,
application_name, and cluster_name, where the meaning of "" is arguably too
obvious to bother including. There's a good chance that I've missed a
couple, too.
Thoughts?
--
nathan
>From 71674cb8a267d8d6d0a68e273b7411254377b3e7 Mon Sep 17 00:00:00 2001
From: Nathan Bossart <nat...@postgresql.org>
Date: Fri, 7 Feb 2025 16:06:18 -0600
Subject: [PATCH v1 1/1] Describe special values in GUC descriptions more
consistently.
---
src/backend/utils/misc/guc_tables.c | 139 ++++++++++++++--------------
1 file changed, 70 insertions(+), 69 deletions(-)
diff --git a/src/backend/utils/misc/guc_tables.c
b/src/backend/utils/misc/guc_tables.c
index ce7534d4d23..c3e52f371e4 100644
--- a/src/backend/utils/misc/guc_tables.c
+++ b/src/backend/utils/misc/guc_tables.c
@@ -2109,7 +2109,7 @@ struct config_int ConfigureNamesInt[] =
{"archive_timeout", PGC_SIGHUP, WAL_ARCHIVING,
gettext_noop("Sets the amount of time to wait before
forcing a "
"switch to the next WAL
file."),
- NULL,
+ gettext_noop("0 disables the timeout."),
GUC_UNIT_S
},
&XLogArchiveTimeout,
@@ -2186,7 +2186,7 @@ struct config_int ConfigureNamesInt[] =
{
{"geqo_pool_size", PGC_USERSET, QUERY_TUNING_GEQO,
gettext_noop("GEQO: number of individuals in the
population."),
- gettext_noop("Zero selects a suitable default value."),
+ gettext_noop("0 means to use a suitable default
value."),
GUC_EXPLAIN
},
&Geqo_pool_size,
@@ -2196,7 +2196,7 @@ struct config_int ConfigureNamesInt[] =
{
{"geqo_generations", PGC_USERSET, QUERY_TUNING_GEQO,
gettext_noop("GEQO: number of iterations of the
algorithm."),
- gettext_noop("Zero selects a suitable default value."),
+ gettext_noop("0 means to use a suitable default
value."),
GUC_EXPLAIN
},
&Geqo_generations,
@@ -2219,7 +2219,7 @@ struct config_int ConfigureNamesInt[] =
{
{"max_standby_archive_delay", PGC_SIGHUP, REPLICATION_STANDBY,
gettext_noop("Sets the maximum delay before canceling
queries when a hot standby server is processing archived WAL data."),
- NULL,
+ gettext_noop("-1 means to wait forever."),
GUC_UNIT_MS
},
&max_standby_archive_delay,
@@ -2230,7 +2230,7 @@ struct config_int ConfigureNamesInt[] =
{
{"max_standby_streaming_delay", PGC_SIGHUP, REPLICATION_STANDBY,
gettext_noop("Sets the maximum delay before canceling
queries when a hot standby server is processing streamed WAL data."),
- NULL,
+ gettext_noop("-1 means to wait forever."),
GUC_UNIT_MS
},
&max_standby_streaming_delay,
@@ -2263,7 +2263,7 @@ struct config_int ConfigureNamesInt[] =
{
{"wal_receiver_timeout", PGC_SIGHUP, REPLICATION_STANDBY,
gettext_noop("Sets the maximum wait time to receive
data from the sending server."),
- NULL,
+ gettext_noop("0 disables the timeout."),
GUC_UNIT_MS
},
&wal_receiver_timeout,
@@ -2354,7 +2354,7 @@ struct config_int ConfigureNamesInt[] =
{
{"shared_memory_size_in_huge_pages", PGC_INTERNAL,
PRESET_OPTIONS,
gettext_noop("Shows the number of huge pages needed for
the main shared memory area."),
- gettext_noop("-1 indicates that the value could not be
determined."),
+ gettext_noop("-1 means the value could not be
determined."),
GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE |
GUC_RUNTIME_COMPUTED
},
&shared_memory_size_in_huge_pages,
@@ -2376,7 +2376,7 @@ struct config_int ConfigureNamesInt[] =
{
{"commit_timestamp_buffers", PGC_POSTMASTER, RESOURCES_MEM,
gettext_noop("Sets the size of the dedicated buffer
pool used for the commit timestamp cache."),
- gettext_noop("Specify 0 to have this value determined
as a fraction of \"shared_buffers\"."),
+ gettext_noop("0 means to use a fraction of
\"shared_buffers\"."),
GUC_UNIT_BLOCKS
},
&commit_timestamp_buffers,
@@ -2431,7 +2431,7 @@ struct config_int ConfigureNamesInt[] =
{
{"subtransaction_buffers", PGC_POSTMASTER, RESOURCES_MEM,
gettext_noop("Sets the size of the dedicated buffer
pool used for the subtransaction cache."),
- gettext_noop("Specify 0 to have this value determined
as a fraction of \"shared_buffers\"."),
+ gettext_noop("0 means to use a fraction of
\"shared_buffers\"."),
GUC_UNIT_BLOCKS
},
&subtransaction_buffers,
@@ -2442,7 +2442,7 @@ struct config_int ConfigureNamesInt[] =
{
{"transaction_buffers", PGC_POSTMASTER, RESOURCES_MEM,
gettext_noop("Sets the size of the dedicated buffer
pool used for the transaction status cache."),
- gettext_noop("Specify 0 to have this value determined
as a fraction of \"shared_buffers\"."),
+ gettext_noop("0 means to use a fraction of
\"shared_buffers\"."),
GUC_UNIT_BLOCKS
},
&transaction_buffers,
@@ -2626,7 +2626,7 @@ struct config_int ConfigureNamesInt[] =
{
{"autovacuum_vacuum_cost_limit", PGC_SIGHUP, VACUUM_AUTOVACUUM,
gettext_noop("Vacuum cost amount available before
napping, for autovacuum."),
- NULL
+ gettext_noop("-1 means to use vacuum_cost_limit")
},
&autovacuum_vac_cost_limit,
-1, -1, 10000,
@@ -2682,7 +2682,7 @@ struct config_int ConfigureNamesInt[] =
{
{"statement_timeout", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Sets the maximum allowed duration of any
statement."),
- gettext_noop("A value of 0 turns off the timeout."),
+ gettext_noop("0 disables the timeout."),
GUC_UNIT_MS
},
&StatementTimeout,
@@ -2693,7 +2693,7 @@ struct config_int ConfigureNamesInt[] =
{
{"lock_timeout", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Sets the maximum allowed duration of any
wait for a lock."),
- gettext_noop("A value of 0 turns off the timeout."),
+ gettext_noop("0 disables the timeout."),
GUC_UNIT_MS
},
&LockTimeout,
@@ -2704,7 +2704,7 @@ struct config_int ConfigureNamesInt[] =
{
{"idle_in_transaction_session_timeout", PGC_USERSET,
CLIENT_CONN_STATEMENT,
gettext_noop("Sets the maximum allowed idle time
between queries, when in a transaction."),
- gettext_noop("A value of 0 turns off the timeout."),
+ gettext_noop("0 disables the timeout."),
GUC_UNIT_MS
},
&IdleInTransactionSessionTimeout,
@@ -2715,7 +2715,7 @@ struct config_int ConfigureNamesInt[] =
{
{"transaction_timeout", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Sets the maximum allowed duration of any
transaction within a session (not a prepared transaction)."),
- gettext_noop("A value of 0 turns off the timeout."),
+ gettext_noop("0 disables the timeout."),
GUC_UNIT_MS
},
&TransactionTimeout,
@@ -2726,7 +2726,7 @@ struct config_int ConfigureNamesInt[] =
{
{"idle_session_timeout", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Sets the maximum allowed idle time
between queries, when not in a transaction."),
- gettext_noop("A value of 0 turns off the timeout."),
+ gettext_noop("0 disables the timeout."),
GUC_UNIT_MS
},
&IdleSessionTimeout,
@@ -2940,7 +2940,7 @@ struct config_int ConfigureNamesInt[] =
gettext_noop("Write a message to the server log if
checkpoints "
"caused by the filling of WAL
segment files happen more "
"frequently than this amount
of time. "
- "Zero turns off the warning."),
+ "0 disables the warning."),
GUC_UNIT_S
},
&CheckPointWarning,
@@ -2951,7 +2951,7 @@ struct config_int ConfigureNamesInt[] =
{
{"checkpoint_flush_after", PGC_SIGHUP, WAL_CHECKPOINTS,
gettext_noop("Number of pages after which previously
performed writes are flushed to disk."),
- NULL,
+ gettext_noop("0 disables forced writeback."),
GUC_UNIT_BLOCKS
},
&checkpoint_flush_after,
@@ -2962,7 +2962,7 @@ struct config_int ConfigureNamesInt[] =
{
{"wal_buffers", PGC_POSTMASTER, WAL_SETTINGS,
gettext_noop("Sets the number of disk-page buffers in
shared memory for WAL."),
- gettext_noop("Specify -1 to have this value determined
as a fraction of \"shared_buffers\"."),
+ gettext_noop("-1 means to use a fraction of
\"shared_buffers\"."),
GUC_UNIT_XBLOCKS
},
&XLOGbuffers,
@@ -3029,7 +3029,8 @@ struct config_int ConfigureNamesInt[] =
gettext_noop("Sets the maximum WAL size that can be
reserved by replication slots."),
gettext_noop("Replication slots will be marked as
failed, and segments released "
"for deletion or recycling, if
this much space is occupied by WAL "
- "on disk."),
+ "on disk. "
+ "-1 means no maximum."),
GUC_UNIT_MB
},
&max_slot_wal_keep_size_mb,
@@ -3089,7 +3090,7 @@ struct config_int ConfigureNamesInt[] =
gettext_noop("Sets the minimum execution time above
which "
"a sample of statements will
be logged."
" Sampling is determined by
\"log_statement_sample_rate\"."),
- gettext_noop("Zero logs a sample of all queries. -1
turns this feature off."),
+ gettext_noop("0 means to sample all statements. -1
disables sampling."),
GUC_UNIT_MS
},
&log_min_duration_sample,
@@ -3101,7 +3102,7 @@ struct config_int ConfigureNamesInt[] =
{"log_min_duration_statement", PGC_SUSET, LOGGING_WHEN,
gettext_noop("Sets the minimum execution time above
which "
"all statements will be
logged."),
- gettext_noop("Zero prints all queries. -1 turns this
feature off."),
+ gettext_noop("0 means to log all statement durations.
-1 disables logging statement durations."),
GUC_UNIT_MS
},
&log_min_duration_statement,
@@ -3113,7 +3114,7 @@ struct config_int ConfigureNamesInt[] =
{"log_autovacuum_min_duration", PGC_SIGHUP, LOGGING_WHAT,
gettext_noop("Sets the minimum execution time above
which "
"autovacuum actions will be
logged."),
- gettext_noop("Zero prints all actions. -1 turns
autovacuum logging off."),
+ gettext_noop("0 means to log all autovacuum actions. -1
disables logging autovacuum actions."),
GUC_UNIT_MS
},
&Log_autovacuum_min_duration,
@@ -3125,7 +3126,7 @@ struct config_int ConfigureNamesInt[] =
{"log_parameter_max_length", PGC_SUSET, LOGGING_WHAT,
gettext_noop("Sets the maximum length in bytes of data
logged for bind "
"parameter values when logging
statements."),
- gettext_noop("-1 to print values in full."),
+ gettext_noop("-1 means to log values in full."),
GUC_UNIT_BYTE
},
&log_parameter_max_length,
@@ -3137,7 +3138,7 @@ struct config_int ConfigureNamesInt[] =
{"log_parameter_max_length_on_error", PGC_USERSET, LOGGING_WHAT,
gettext_noop("Sets the maximum length in bytes of data
logged for bind "
"parameter values when logging
statements, on error."),
- gettext_noop("-1 to print values in full."),
+ gettext_noop("-1 means to log values in full."),
GUC_UNIT_BYTE
},
&log_parameter_max_length_on_error,
@@ -3159,7 +3160,7 @@ struct config_int ConfigureNamesInt[] =
{
{"bgwriter_lru_maxpages", PGC_SIGHUP, RESOURCES_BGWRITER,
gettext_noop("Background writer maximum number of LRU
pages to flush per round."),
- NULL
+ gettext_noop("0 disables background writing.")
},
&bgwriter_lru_maxpages,
100, 0, INT_MAX / 2, /* Same upper limit as shared_buffers */
@@ -3169,7 +3170,7 @@ struct config_int ConfigureNamesInt[] =
{
{"bgwriter_flush_after", PGC_SIGHUP, RESOURCES_BGWRITER,
gettext_noop("Number of pages after which previously
performed writes are flushed to disk."),
- NULL,
+ gettext_noop("0 disables forced writeback."),
GUC_UNIT_BLOCKS
},
&bgwriter_flush_after,
@@ -3182,7 +3183,7 @@ struct config_int ConfigureNamesInt[] =
PGC_USERSET,
RESOURCES_ASYNCHRONOUS,
gettext_noop("Number of simultaneous requests that can
be handled efficiently by the disk subsystem."),
- NULL,
+ gettext_noop("0 disables simultaneous requests."),
GUC_EXPLAIN
},
&effective_io_concurrency,
@@ -3196,7 +3197,7 @@ struct config_int ConfigureNamesInt[] =
PGC_USERSET,
RESOURCES_ASYNCHRONOUS,
gettext_noop("A variant of \"effective_io_concurrency\"
that is used for maintenance work."),
- NULL,
+ gettext_noop("0 disables simultaneous requests."),
GUC_EXPLAIN
},
&maintenance_io_concurrency,
@@ -3223,7 +3224,7 @@ struct config_int ConfigureNamesInt[] =
{
{"backend_flush_after", PGC_USERSET, RESOURCES_ASYNCHRONOUS,
gettext_noop("Number of pages after which previously
performed writes are flushed to disk."),
- NULL,
+ gettext_noop("0 disables forced writeback."),
GUC_UNIT_BLOCKS
},
&backend_flush_after,
@@ -3283,7 +3284,7 @@ struct config_int ConfigureNamesInt[] =
{"log_rotation_age", PGC_SIGHUP, LOGGING_WHERE,
gettext_noop("Sets the amount of time to wait before
forcing "
"log file rotation."),
- NULL,
+ gettext_noop("0 disables time-based creation of new log
files."),
GUC_UNIT_MIN
},
&Log_RotationAge,
@@ -3295,7 +3296,7 @@ struct config_int ConfigureNamesInt[] =
{"log_rotation_size", PGC_SIGHUP, LOGGING_WHERE,
gettext_noop("Sets the maximum size a log file can
reach before "
"being rotated."),
- NULL,
+ gettext_noop("0 disables size-based creation of new log
files."),
GUC_UNIT_KB
},
&Log_RotationSize,
@@ -3397,7 +3398,7 @@ struct config_int ConfigureNamesInt[] =
{
{"wal_summary_keep_time", PGC_SIGHUP, WAL_SUMMARIZATION,
gettext_noop("Time for which WAL summary files should
be kept."),
- NULL,
+ gettext_noop("0 disables automatic summary file
deletion."),
GUC_UNIT_MIN,
},
&wal_summary_keep_time,
@@ -3428,8 +3429,8 @@ struct config_int ConfigureNamesInt[] =
},
{
{"autovacuum_vacuum_max_threshold", PGC_SIGHUP,
VACUUM_AUTOVACUUM,
- gettext_noop("Maximum number of tuple updates or
deletes prior to vacuum, or -1 to disable maximum threshold."),
- NULL
+ gettext_noop("Maximum number of tuple updates or
deletes prior to vacuum."),
+ gettext_noop("-1 disables the maximum threshold.")
},
&autovacuum_vac_max_thresh,
100000000, -1, INT_MAX,
@@ -3437,8 +3438,8 @@ struct config_int ConfigureNamesInt[] =
},
{
{"autovacuum_vacuum_insert_threshold", PGC_SIGHUP,
VACUUM_AUTOVACUUM,
- gettext_noop("Minimum number of tuple inserts prior to
vacuum, or -1 to disable insert vacuums."),
- NULL
+ gettext_noop("Minimum number of tuple inserts prior to
vacuum."),
+ gettext_noop("-1 disables insert vacuums.")
},
&autovacuum_vac_ins_thresh,
1000, -1, INT_MAX,
@@ -3530,7 +3531,7 @@ struct config_int ConfigureNamesInt[] =
{
{"autovacuum_work_mem", PGC_SIGHUP, RESOURCES_MEM,
gettext_noop("Sets the maximum memory to be used by
each autovacuum worker process."),
- NULL,
+ gettext_noop("-1 means to use maintenance_work_mem."),
GUC_UNIT_KB
},
&autovacuum_work_mem,
@@ -3541,7 +3542,7 @@ struct config_int ConfigureNamesInt[] =
{
{"tcp_keepalives_idle", PGC_USERSET, CONN_AUTH_TCP,
gettext_noop("Time between issuing TCP keepalives."),
- gettext_noop("A value of 0 uses the system default."),
+ gettext_noop("0 means to use the system default."),
GUC_UNIT_S
},
&tcp_keepalives_idle,
@@ -3552,7 +3553,7 @@ struct config_int ConfigureNamesInt[] =
{
{"tcp_keepalives_interval", PGC_USERSET, CONN_AUTH_TCP,
gettext_noop("Time between TCP keepalive retransmits."),
- gettext_noop("A value of 0 uses the system default."),
+ gettext_noop("0 means to use the system default."),
GUC_UNIT_S
},
&tcp_keepalives_interval,
@@ -3575,8 +3576,8 @@ struct config_int ConfigureNamesInt[] =
{"tcp_keepalives_count", PGC_USERSET, CONN_AUTH_TCP,
gettext_noop("Maximum number of TCP keepalive
retransmits."),
gettext_noop("Number of consecutive keepalive
retransmits that can be "
- "lost before a connection is
considered dead. A value of 0 uses the "
- "system default."),
+ "lost before a connection is
considered dead. "
+ "0 means to use the system
default."),
},
&tcp_keepalives_count,
0, 0, INT_MAX,
@@ -3586,8 +3587,7 @@ struct config_int ConfigureNamesInt[] =
{
{"gin_fuzzy_search_limit", PGC_USERSET, CLIENT_CONN_OTHER,
gettext_noop("Sets the maximum allowed result for exact
search by GIN."),
- NULL,
- 0
+ gettext_noop("0 means no limit."),
},
&GinFuzzySearchLimit,
0, 0, INT_MAX,
@@ -3643,7 +3643,7 @@ struct config_int ConfigureNamesInt[] =
{
{"log_temp_files", PGC_SUSET, LOGGING_WHAT,
gettext_noop("Log the use of temporary files larger
than this number of kilobytes."),
- gettext_noop("Zero logs all files. The default is -1
(turning this feature off)."),
+ gettext_noop("0 means to log all files. -1 disables
temporary file logs."),
GUC_UNIT_KB
},
&log_temp_files,
@@ -3676,7 +3676,7 @@ struct config_int ConfigureNamesInt[] =
{
{"tcp_user_timeout", PGC_USERSET, CONN_AUTH_TCP,
gettext_noop("TCP user timeout."),
- gettext_noop("A value of 0 uses the system default."),
+ gettext_noop("0 means to use the system default."),
GUC_UNIT_MS
},
&tcp_user_timeout,
@@ -3687,7 +3687,7 @@ struct config_int ConfigureNamesInt[] =
{
{"huge_page_size", PGC_POSTMASTER, RESOURCES_MEM,
gettext_noop("The size of huge page that should be
requested."),
- NULL,
+ gettext_noop("0 means to use the system default."),
GUC_UNIT_KB
},
&huge_page_size,
@@ -3698,7 +3698,7 @@ struct config_int ConfigureNamesInt[] =
{
{"debug_discard_caches", PGC_SUSET, DEVELOPER_OPTIONS,
gettext_noop("Aggressively flush system caches for
debugging purposes."),
- NULL,
+ gettext_noop("0 means to use normal caching behavior."),
GUC_NOT_IN_SAMPLE
},
&debug_discard_caches,
@@ -3721,7 +3721,7 @@ struct config_int ConfigureNamesInt[] =
{
{"client_connection_check_interval", PGC_USERSET, CONN_AUTH_TCP,
gettext_noop("Sets the time interval between checks for
disconnection while running queries."),
- NULL,
+ gettext_noop("0 disables connection checks."),
GUC_UNIT_MS
},
&client_connection_check_interval,
@@ -3733,7 +3733,7 @@ struct config_int ConfigureNamesInt[] =
{"log_startup_progress_interval", PGC_SIGHUP, LOGGING_WHEN,
gettext_noop("Time between progress updates for "
"long-running startup
operations."),
- gettext_noop("0 turns this feature off."),
+ gettext_noop("0 disables progress updates."),
GUC_UNIT_MS,
},
&log_startup_progress_interval,
@@ -3964,7 +3964,7 @@ struct config_real ConfigureNamesReal[] =
{
{"autovacuum_vacuum_cost_delay", PGC_SIGHUP, VACUUM_AUTOVACUUM,
gettext_noop("Vacuum cost delay in milliseconds, for
autovacuum."),
- NULL,
+ gettext_noop("-1 means to use vacuum_cost_delay."),
GUC_UNIT_MS
},
&autovacuum_vac_cost_delay,
@@ -4055,7 +4055,7 @@ struct config_string ConfigureNamesString[] =
{
{"archive_library", PGC_SIGHUP, WAL_ARCHIVING,
gettext_noop("Sets the library that will be called to
archive a WAL file."),
- gettext_noop("An empty string indicates that
\"archive_command\" should be used.")
+ gettext_noop("An empty string means that
\"archive_command\" should be used.")
},
&XLogArchiveLibrary,
"",
@@ -4183,7 +4183,7 @@ struct config_string ConfigureNamesString[] =
{
{"log_line_prefix", PGC_SIGHUP, LOGGING_WHAT,
gettext_noop("Controls information prefixed to each log
line."),
- gettext_noop("If blank, no prefix is used.")
+ gettext_noop("An empty string means to use no prefix.")
},
&Log_line_prefix,
"%m [%p] ",
@@ -4226,7 +4226,7 @@ struct config_string ConfigureNamesString[] =
{
{"default_tablespace", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Sets the default tablespace to create
tables and indexes in."),
- gettext_noop("An empty string selects the database's
default tablespace."),
+ gettext_noop("An empty string means to use the
database's default tablespace."),
GUC_IS_NAME
},
&default_tablespace,
@@ -4237,7 +4237,7 @@ struct config_string ConfigureNamesString[] =
{
{"temp_tablespaces", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Sets the tablespace(s) to use for
temporary tables and sort files."),
- NULL,
+ gettext_noop("An empty string means to use the
database's default tablespace."),
GUC_LIST_INPUT | GUC_LIST_QUOTE
},
&temp_tablespaces,
@@ -4249,7 +4249,7 @@ struct config_string ConfigureNamesString[] =
{"createrole_self_grant", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Sets whether a CREATEROLE user
automatically grants "
"the role to themselves, and
with which options."),
- NULL,
+ gettext_noop("An empty string disables automatic self
grants."),
GUC_LIST_INPUT
},
&createrole_self_grant,
@@ -4285,7 +4285,7 @@ struct config_string ConfigureNamesString[] =
{
{"bonjour_name", PGC_POSTMASTER, CONN_AUTH_SETTINGS,
gettext_noop("Sets the Bonjour service name."),
- NULL
+ gettext_noop("An empty string means to use the computer
name.")
},
&bonjour_name,
"",
@@ -4295,7 +4295,7 @@ struct config_string ConfigureNamesString[] =
{
{"lc_messages", PGC_SUSET, CLIENT_CONN_LOCALE,
gettext_noop("Sets the language in which messages are
displayed."),
- NULL
+ gettext_noop("An empty string means to use the system
setting.")
},
&locale_messages,
"",
@@ -4305,7 +4305,7 @@ struct config_string ConfigureNamesString[] =
{
{"lc_monetary", PGC_USERSET, CLIENT_CONN_LOCALE,
gettext_noop("Sets the locale for formatting monetary
amounts."),
- NULL
+ gettext_noop("An empty string means to use the system
setting.")
},
&locale_monetary,
"C",
@@ -4315,7 +4315,7 @@ struct config_string ConfigureNamesString[] =
{
{"lc_numeric", PGC_USERSET, CLIENT_CONN_LOCALE,
gettext_noop("Sets the locale for formatting numbers."),
- NULL
+ gettext_noop("An empty string means to use the system
setting.")
},
&locale_numeric,
"C",
@@ -4325,7 +4325,7 @@ struct config_string ConfigureNamesString[] =
{
{"lc_time", PGC_USERSET, CLIENT_CONN_LOCALE,
gettext_noop("Sets the locale for formatting date and
time values."),
- NULL
+ gettext_noop("An empty string means to use the system
setting.")
},
&locale_time,
"C",
@@ -4504,7 +4504,8 @@ struct config_string ConfigureNamesString[] =
{"unix_socket_group", PGC_POSTMASTER, CONN_AUTH_SETTINGS,
gettext_noop("Sets the owning group of the Unix-domain
socket."),
gettext_noop("The owning user of the socket is always
the user "
- "that starts the server.")
+ "that starts the server. "
+ "An empty string means to use
the user's default group.")
},
&Unix_socket_group,
"",
@@ -4630,7 +4631,7 @@ struct config_string ConfigureNamesString[] =
{
{"ssl_ca_file", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Location of the SSL certificate authority
file."),
- NULL
+ gettext_noop("An empty string disables client
certificate validation.")
},
&ssl_ca_file,
"",
@@ -4640,7 +4641,7 @@ struct config_string ConfigureNamesString[] =
{
{"ssl_crl_file", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Location of the SSL certificate
revocation list file."),
- NULL
+ gettext_noop("An empty string means no CRL file is
loaded unless ssl_crl_dir is set.")
},
&ssl_crl_file,
"",
@@ -4650,7 +4651,7 @@ struct config_string ConfigureNamesString[] =
{
{"ssl_crl_dir", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Location of the SSL certificate
revocation list directory."),
- NULL
+ gettext_noop("An empty string means no CRLs are used
unless ssl_crl_file is set.")
},
&ssl_crl_dir,
"",
@@ -4681,7 +4682,7 @@ struct config_string ConfigureNamesString[] =
{
{"ssl_tls13_ciphers", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Sets the list of allowed TLSv1.3 cipher
suites (leave blank for default)."),
- NULL,
+ gettext_noop("An empty string means to use the default
cipher suites."),
GUC_SUPERUSER_ONLY
},
&SSLCipherSuites,
@@ -4722,7 +4723,7 @@ struct config_string ConfigureNamesString[] =
{
{"ssl_dh_params_file", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Location of the SSL DH parameters file."),
- NULL,
+ gettext_noop("An empty string means to use compiled-in
default parameters."),
GUC_SUPERUSER_ONLY
},
&ssl_dh_params_file,
@@ -4733,7 +4734,7 @@ struct config_string ConfigureNamesString[] =
{
{"ssl_passphrase_command", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Command to obtain passphrases for SSL."),
- NULL,
+ gettext_noop("An empty string means to use the built-in
prompting mechanism."),
GUC_SUPERUSER_ONLY
},
&ssl_passphrase_command,
@@ -4799,7 +4800,7 @@ struct config_string ConfigureNamesString[] =
{
{"debug_io_direct", PGC_POSTMASTER, DEVELOPER_OPTIONS,
gettext_noop("Use direct I/O for file access."),
- NULL,
+ gettext_noop("An empty string disables direct I/O."),
GUC_LIST_INPUT | GUC_NOT_IN_SAMPLE
},
&debug_io_direct_string,
--
2.39.5 (Apple Git-154)
