diff options
Diffstat (limited to 'src/backend/utils/misc/guc_tables.c')
| -rw-r--r-- | src/backend/utils/misc/guc_tables.c | 139 |
1 files changed, 69 insertions, 70 deletions
diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c index 226af43fe23..42728189322 100644 --- a/src/backend/utils/misc/guc_tables.c +++ b/src/backend/utils/misc/guc_tables.c @@ -2119,7 +2119,7 @@ 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, @@ -2196,7 +2196,7 @@ 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 use a suitable default value."), GUC_EXPLAIN }, &Geqo_pool_size, @@ -2206,7 +2206,7 @@ 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 use a suitable default value."), GUC_EXPLAIN }, &Geqo_generations, @@ -2229,7 +2229,7 @@ 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 wait forever."), GUC_UNIT_MS }, &max_standby_archive_delay, @@ -2240,7 +2240,7 @@ 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 wait forever."), GUC_UNIT_MS }, &max_standby_streaming_delay, @@ -2273,7 +2273,7 @@ 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, @@ -2364,7 +2364,7 @@ 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 huge pages are not supported."), GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE | GUC_RUNTIME_COMPUTED }, &shared_memory_size_in_huge_pages, @@ -2386,7 +2386,7 @@ 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 use a fraction of \"shared_buffers\"."), GUC_UNIT_BLOCKS }, &commit_timestamp_buffers, @@ -2441,7 +2441,7 @@ 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 use a fraction of \"shared_buffers\"."), GUC_UNIT_BLOCKS }, &subtransaction_buffers, @@ -2452,7 +2452,7 @@ 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 use a fraction of \"shared_buffers\"."), GUC_UNIT_BLOCKS }, &transaction_buffers, @@ -2636,7 +2636,7 @@ 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 use \"vacuum_cost_limit\".") }, &autovacuum_vac_cost_limit, -1, -1, 10000, @@ -2692,7 +2692,7 @@ 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, @@ -2703,7 +2703,7 @@ 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, @@ -2714,7 +2714,7 @@ 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, @@ -2725,7 +2725,7 @@ 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, @@ -2736,7 +2736,7 @@ 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, @@ -2950,7 +2950,7 @@ 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, @@ -2961,7 +2961,7 @@ 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, @@ -2972,7 +2972,7 @@ 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 use a fraction of \"shared_buffers\"."), GUC_UNIT_XBLOCKS }, &XLOGbuffers, @@ -3038,8 +3038,8 @@ struct config_int ConfigureNamesInt[] = {"max_slot_wal_keep_size", PGC_SIGHUP, REPLICATION_SENDING, 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."), + "for deletion or recycling, if this much space is occupied by WAL on disk. " + "-1 means no maximum."), GUC_UNIT_MB }, &max_slot_wal_keep_size_mb, @@ -3099,7 +3099,7 @@ 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("-1 disables sampling. 0 means sample all statements."), GUC_UNIT_MS }, &log_min_duration_sample, @@ -3111,7 +3111,7 @@ 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("-1 disables logging statement durations. 0 means log all statement durations."), GUC_UNIT_MS }, &log_min_duration_statement, @@ -3123,7 +3123,7 @@ 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("-1 disables logging autovacuum actions. 0 means log all autovacuum actions."), GUC_UNIT_MS }, &Log_autovacuum_min_duration, @@ -3135,7 +3135,7 @@ 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 log values in full."), GUC_UNIT_BYTE }, &log_parameter_max_length, @@ -3147,7 +3147,7 @@ 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 log values in full."), GUC_UNIT_BYTE }, &log_parameter_max_length_on_error, @@ -3169,7 +3169,7 @@ 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 */ @@ -3179,7 +3179,7 @@ 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, @@ -3192,7 +3192,7 @@ struct config_int ConfigureNamesInt[] = PGC_USERSET, RESOURCES_IO, 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, @@ -3206,7 +3206,7 @@ struct config_int ConfigureNamesInt[] = PGC_USERSET, RESOURCES_IO, 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, @@ -3233,7 +3233,7 @@ struct config_int ConfigureNamesInt[] = { {"backend_flush_after", PGC_USERSET, RESOURCES_IO, 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, @@ -3293,7 +3293,7 @@ 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, @@ -3305,7 +3305,7 @@ 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, @@ -3407,7 +3407,7 @@ 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, @@ -3438,8 +3438,8 @@ 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, @@ -3447,8 +3447,8 @@ 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, @@ -3540,7 +3540,7 @@ 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 use \"maintenance_work_mem\"."), GUC_UNIT_KB }, &autovacuum_work_mem, @@ -3551,7 +3551,7 @@ 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 use the system default."), GUC_UNIT_S }, &tcp_keepalives_idle, @@ -3562,7 +3562,7 @@ 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 use the system default."), GUC_UNIT_S }, &tcp_keepalives_interval, @@ -3585,8 +3585,8 @@ 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 use the system default."), }, &tcp_keepalives_count, 0, 0, INT_MAX, @@ -3596,8 +3596,7 @@ 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, @@ -3653,7 +3652,7 @@ 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("-1 disables logging temporary files. 0 means log all temporary files."), GUC_UNIT_KB }, &log_temp_files, @@ -3686,7 +3685,7 @@ 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 use the system default."), GUC_UNIT_MS }, &tcp_user_timeout, @@ -3697,7 +3696,7 @@ 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 use the system default."), GUC_UNIT_KB }, &huge_page_size, @@ -3708,7 +3707,7 @@ 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 use normal caching behavior."), GUC_NOT_IN_SAMPLE }, &debug_discard_caches, @@ -3731,7 +3730,7 @@ 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, @@ -3743,7 +3742,7 @@ 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, @@ -3974,7 +3973,7 @@ 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 use \"vacuum_cost_delay\"."), GUC_UNIT_MS }, &autovacuum_vac_cost_delay, @@ -4065,7 +4064,7 @@ struct config_string ConfigureNamesString[] = { {"archive_command", PGC_SIGHUP, WAL_ARCHIVING, gettext_noop("Sets the shell command that will be called to archive a WAL file."), - gettext_noop("This is used only if \"archive_library\" is not set.") + gettext_noop("An empty string means use \"archive_library\".") }, &XLogArchiveCommand, "", @@ -4075,7 +4074,7 @@ 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 use \"archive_command\".") }, &XLogArchiveLibrary, "", @@ -4203,7 +4202,7 @@ 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 no prefix.") }, &Log_line_prefix, "%m [%p] ", @@ -4246,7 +4245,7 @@ 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 use the database's default tablespace."), GUC_IS_NAME }, &default_tablespace, @@ -4257,7 +4256,7 @@ 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 use the database's default tablespace."), GUC_LIST_INPUT | GUC_LIST_QUOTE }, &temp_tablespaces, @@ -4269,7 +4268,7 @@ 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, @@ -4305,7 +4304,7 @@ 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 use the computer name.") }, &bonjour_name, "", @@ -4315,7 +4314,7 @@ 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 use the operating system setting.") }, &locale_messages, "", @@ -4325,7 +4324,7 @@ 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 use the operating system setting.") }, &locale_monetary, "C", @@ -4335,7 +4334,7 @@ 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 use the operating system setting.") }, &locale_numeric, "C", @@ -4345,7 +4344,7 @@ 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 use the operating system setting.") }, &locale_time, "C", @@ -4523,8 +4522,8 @@ 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.") + gettext_noop("The owning user of the socket is always the user that starts the server. " + "An empty string means use the user's default group.") }, &Unix_socket_group, "", @@ -4700,8 +4699,8 @@ 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("Sets the list of allowed TLSv1.3 cipher suites."), + gettext_noop("An empty string means use the default cipher suites."), GUC_SUPERUSER_ONLY }, &SSLCipherSuites, @@ -4742,7 +4741,7 @@ 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 use compiled-in default parameters."), GUC_SUPERUSER_ONLY }, &ssl_dh_params_file, @@ -4753,7 +4752,7 @@ 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 use the built-in prompting mechanism."), GUC_SUPERUSER_ONLY }, &ssl_passphrase_command, @@ -4819,7 +4818,7 @@ 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, |