mirror of
https://github.com/postgres/postgres.git
synced 2025-06-30 21:42:05 +03:00
Save source of GUC settings, allowing different sources to be processed in
any order without affecting results.
This commit is contained in:
Peter Eisentraut
@ -4,7 +4,7 @@
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* Support for grand unified configuration scheme, including SET
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* command, configuration file, and command line options.
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*
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* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.58 2001/10/30 05:38:56 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.59 2002/02/23 01:31:36 petere Exp $
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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* Written by Peter Eisentraut <peter_e@gmx.net>.
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@ -107,6 +107,7 @@ struct config_generic
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{
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const char *name;
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GucContext context;
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GucSource source;
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void *variable;
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};
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@ -115,6 +116,7 @@ struct config_bool
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{
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const char *name;
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GucContext context;
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GucSource source;
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bool *variable;
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bool default_val;
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/* No need for parse_hook ... presumably both values are legal */
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@ -126,6 +128,7 @@ struct config_int
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{
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const char *name;
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GucContext context;
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GucSource source;
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int *variable;
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int default_val;
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int min;
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@ -139,6 +142,7 @@ struct config_real
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{
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const char *name;
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GucContext context;
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GucSource source;
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double *variable;
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double default_val;
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double min;
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@ -157,6 +161,7 @@ struct config_string
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{
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const char *name;
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GucContext context;
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GucSource source;
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char **variable;
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const char *boot_default_val;
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bool (*parse_hook) (const char *proposed);
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@ -193,157 +198,157 @@ static struct config_bool
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ConfigureNamesBool[] =
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{
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{
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"enable_seqscan", PGC_USERSET, &enable_seqscan, true, NULL
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"enable_seqscan", PGC_USERSET, PGC_S_DEFAULT, &enable_seqscan, true, NULL
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},
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{
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"enable_indexscan", PGC_USERSET, &enable_indexscan, true, NULL
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"enable_indexscan", PGC_USERSET, PGC_S_DEFAULT, &enable_indexscan, true, NULL
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},
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{
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"enable_tidscan", PGC_USERSET, &enable_tidscan, true, NULL
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"enable_tidscan", PGC_USERSET, PGC_S_DEFAULT, &enable_tidscan, true, NULL
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},
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{
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"enable_sort", PGC_USERSET, &enable_sort, true, NULL
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"enable_sort", PGC_USERSET, PGC_S_DEFAULT, &enable_sort, true, NULL
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},
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{
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"enable_nestloop", PGC_USERSET, &enable_nestloop, true, NULL
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"enable_nestloop", PGC_USERSET, PGC_S_DEFAULT, &enable_nestloop, true, NULL
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},
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{
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"enable_mergejoin", PGC_USERSET, &enable_mergejoin, true, NULL
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"enable_mergejoin", PGC_USERSET, PGC_S_DEFAULT, &enable_mergejoin, true, NULL
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},
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{
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"enable_hashjoin", PGC_USERSET, &enable_hashjoin, true, NULL
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"enable_hashjoin", PGC_USERSET, PGC_S_DEFAULT, &enable_hashjoin, true, NULL
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},
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{
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"ksqo", PGC_USERSET, &_use_keyset_query_optimizer, false, NULL
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"ksqo", PGC_USERSET, PGC_S_DEFAULT, &_use_keyset_query_optimizer, false, NULL
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},
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{
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"geqo", PGC_USERSET, &enable_geqo, true, NULL
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"geqo", PGC_USERSET, PGC_S_DEFAULT, &enable_geqo, true, NULL
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},
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{
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"tcpip_socket", PGC_POSTMASTER, &NetServer, false, NULL
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"tcpip_socket", PGC_POSTMASTER, PGC_S_DEFAULT, &NetServer, false, NULL
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},
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{
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"ssl", PGC_POSTMASTER, &EnableSSL, false, NULL
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"ssl", PGC_POSTMASTER, PGC_S_DEFAULT, &EnableSSL, false, NULL
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},
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{
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"fsync", PGC_SIGHUP, &enableFsync, true, NULL
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"fsync", PGC_SIGHUP, PGC_S_DEFAULT, &enableFsync, true, NULL
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},
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{
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"silent_mode", PGC_POSTMASTER, &SilentMode, false, NULL
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"silent_mode", PGC_POSTMASTER, PGC_S_DEFAULT, &SilentMode, false, NULL
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},
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{
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"log_connections", PGC_BACKEND, &Log_connections, false, NULL
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"log_connections", PGC_BACKEND, PGC_S_DEFAULT, &Log_connections, false, NULL
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},
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{
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"log_timestamp", PGC_SIGHUP, &Log_timestamp, false, NULL
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"log_timestamp", PGC_SIGHUP, PGC_S_DEFAULT, &Log_timestamp, false, NULL
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},
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{
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"log_pid", PGC_SIGHUP, &Log_pid, false, NULL
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"log_pid", PGC_SIGHUP, PGC_S_DEFAULT, &Log_pid, false, NULL
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},
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#ifdef USE_ASSERT_CHECKING
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{
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"debug_assertions", PGC_USERSET, &assert_enabled, true, NULL
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"debug_assertions", PGC_USERSET, PGC_S_DEFAULT, &assert_enabled, true, NULL
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},
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#endif
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{
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"debug_print_query", PGC_USERSET, &Debug_print_query, false, NULL
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"debug_print_query", PGC_USERSET, PGC_S_DEFAULT, &Debug_print_query, false, NULL
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},
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{
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"debug_print_parse", PGC_USERSET, &Debug_print_parse, false, NULL
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"debug_print_parse", PGC_USERSET, PGC_S_DEFAULT, &Debug_print_parse, false, NULL
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},
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{
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"debug_print_rewritten", PGC_USERSET, &Debug_print_rewritten, false, NULL
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"debug_print_rewritten", PGC_USERSET, PGC_S_DEFAULT, &Debug_print_rewritten, false, NULL
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},
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{
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"debug_print_plan", PGC_USERSET, &Debug_print_plan, false, NULL
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"debug_print_plan", PGC_USERSET, PGC_S_DEFAULT, &Debug_print_plan, false, NULL
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},
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{
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"debug_pretty_print", PGC_USERSET, &Debug_pretty_print, false, NULL
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"debug_pretty_print", PGC_USERSET, PGC_S_DEFAULT, &Debug_pretty_print, false, NULL
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},
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{
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"show_parser_stats", PGC_USERSET, &Show_parser_stats, false, NULL
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"show_parser_stats", PGC_USERSET, PGC_S_DEFAULT, &Show_parser_stats, false, NULL
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},
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{
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"show_planner_stats", PGC_USERSET, &Show_planner_stats, false, NULL
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"show_planner_stats", PGC_USERSET, PGC_S_DEFAULT, &Show_planner_stats, false, NULL
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},
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{
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"show_executor_stats", PGC_USERSET, &Show_executor_stats, false, NULL
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"show_executor_stats", PGC_USERSET, PGC_S_DEFAULT, &Show_executor_stats, false, NULL
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},
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{
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"show_query_stats", PGC_USERSET, &Show_query_stats, false, NULL
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"show_query_stats", PGC_USERSET, PGC_S_DEFAULT, &Show_query_stats, false, NULL
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},
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#ifdef BTREE_BUILD_STATS
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{
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"show_btree_build_stats", PGC_SUSET, &Show_btree_build_stats, false, NULL
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"show_btree_build_stats", PGC_SUSET, PGC_S_DEFAULT, &Show_btree_build_stats, false, NULL
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},
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#endif
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{
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"stats_start_collector", PGC_POSTMASTER, &pgstat_collect_startcollector, true, NULL
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"stats_start_collector", PGC_POSTMASTER, PGC_S_DEFAULT, &pgstat_collect_startcollector, true, NULL
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},
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{
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"stats_reset_on_server_start", PGC_POSTMASTER, &pgstat_collect_resetonpmstart, true, NULL
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"stats_reset_on_server_start", PGC_POSTMASTER, PGC_S_DEFAULT, &pgstat_collect_resetonpmstart, true, NULL
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},
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{
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"stats_command_string", PGC_SUSET, &pgstat_collect_querystring, false, NULL
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"stats_command_string", PGC_SUSET, PGC_S_DEFAULT, &pgstat_collect_querystring, false, NULL
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},
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{
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"stats_row_level", PGC_SUSET, &pgstat_collect_tuplelevel, false, NULL
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"stats_row_level", PGC_SUSET, PGC_S_DEFAULT, &pgstat_collect_tuplelevel, false, NULL
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},
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{
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"stats_block_level", PGC_SUSET, &pgstat_collect_blocklevel, false, NULL
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"stats_block_level", PGC_SUSET, PGC_S_DEFAULT, &pgstat_collect_blocklevel, false, NULL
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},
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{
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"trace_notify", PGC_USERSET, &Trace_notify, false, NULL
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"trace_notify", PGC_USERSET, PGC_S_DEFAULT, &Trace_notify, false, NULL
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},
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#ifdef LOCK_DEBUG
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{
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"trace_locks", PGC_SUSET, &Trace_locks, false, NULL
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"trace_locks", PGC_SUSET, PGC_S_DEFAULT, &Trace_locks, false, NULL
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},
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{
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"trace_userlocks", PGC_SUSET, &Trace_userlocks, false, NULL
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"trace_userlocks", PGC_SUSET, PGC_S_DEFAULT, &Trace_userlocks, false, NULL
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},
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{
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"trace_lwlocks", PGC_SUSET, &Trace_lwlocks, false, NULL
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"trace_lwlocks", PGC_SUSET, PGC_S_DEFAULT, &Trace_lwlocks, false, NULL
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},
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{
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"debug_deadlocks", PGC_SUSET, &Debug_deadlocks, false, NULL
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"debug_deadlocks", PGC_SUSET, PGC_S_DEFAULT, &Debug_deadlocks, false, NULL
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},
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#endif
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{
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"hostname_lookup", PGC_SIGHUP, &HostnameLookup, false, NULL
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"hostname_lookup", PGC_SIGHUP, PGC_S_DEFAULT, &HostnameLookup, false, NULL
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},
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{
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"show_source_port", PGC_SIGHUP, &ShowPortNumber, false, NULL
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"show_source_port", PGC_SIGHUP, PGC_S_DEFAULT, &ShowPortNumber, false, NULL
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},
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{
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"sql_inheritance", PGC_USERSET, &SQL_inheritance, true, NULL
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"sql_inheritance", PGC_USERSET, PGC_S_DEFAULT, &SQL_inheritance, true, NULL
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},
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{
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"australian_timezones", PGC_USERSET, &Australian_timezones, false, ClearDateCache
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"australian_timezones", PGC_USERSET, PGC_S_DEFAULT, &Australian_timezones, false, ClearDateCache
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},
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{
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"fixbtree", PGC_POSTMASTER, &FixBTree, true, NULL
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"fixbtree", PGC_POSTMASTER, PGC_S_DEFAULT, &FixBTree, true, NULL
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},
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{
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"password_encryption", PGC_USERSET, &Password_encryption, false, NULL
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"password_encryption", PGC_USERSET, PGC_S_DEFAULT, &Password_encryption, false, NULL
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},
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{
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"transform_null_equals", PGC_USERSET, &Transform_null_equals, false, NULL
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"transform_null_equals", PGC_USERSET, PGC_S_DEFAULT, &Transform_null_equals, false, NULL
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},
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{
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NULL, 0, NULL, false, NULL
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NULL, 0, 0, NULL, false, NULL
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}
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};
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@ -352,34 +357,34 @@ static struct config_int
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ConfigureNamesInt[] =
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{
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{
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"geqo_threshold", PGC_USERSET, &geqo_rels,
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"geqo_threshold", PGC_USERSET, PGC_S_DEFAULT, &geqo_rels,
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DEFAULT_GEQO_RELS, 2, INT_MAX, NULL, NULL
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},
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{
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"geqo_pool_size", PGC_USERSET, &Geqo_pool_size,
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"geqo_pool_size", PGC_USERSET, PGC_S_DEFAULT, &Geqo_pool_size,
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||||
DEFAULT_GEQO_POOL_SIZE, 0, MAX_GEQO_POOL_SIZE, NULL, NULL
|
||||
},
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||||
{
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"geqo_effort", PGC_USERSET, &Geqo_effort,
|
||||
"geqo_effort", PGC_USERSET, PGC_S_DEFAULT, &Geqo_effort,
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||||
1, 1, INT_MAX, NULL, NULL
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||||
},
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||||
{
|
||||
"geqo_generations", PGC_USERSET, &Geqo_generations,
|
||||
"geqo_generations", PGC_USERSET, PGC_S_DEFAULT, &Geqo_generations,
|
||||
0, 0, INT_MAX, NULL, NULL
|
||||
},
|
||||
{
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||||
"geqo_random_seed", PGC_USERSET, &Geqo_random_seed,
|
||||
"geqo_random_seed", PGC_USERSET, PGC_S_DEFAULT, &Geqo_random_seed,
|
||||
-1, INT_MIN, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"deadlock_timeout", PGC_POSTMASTER, &DeadlockTimeout,
|
||||
"deadlock_timeout", PGC_POSTMASTER, PGC_S_DEFAULT, &DeadlockTimeout,
|
||||
1000, 0, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
#ifdef ENABLE_SYSLOG
|
||||
{
|
||||
"syslog", PGC_SIGHUP, &Use_syslog,
|
||||
"syslog", PGC_SIGHUP, PGC_S_DEFAULT, &Use_syslog,
|
||||
0, 0, 2, NULL, NULL
|
||||
},
|
||||
#endif
|
||||
@ -390,121 +395,121 @@ static struct config_int
|
||||
* constraints here are partially unused.
|
||||
*/
|
||||
{
|
||||
"max_connections", PGC_POSTMASTER, &MaxBackends,
|
||||
"max_connections", PGC_POSTMASTER, PGC_S_DEFAULT, &MaxBackends,
|
||||
DEF_MAXBACKENDS, 1, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"shared_buffers", PGC_POSTMASTER, &NBuffers,
|
||||
"shared_buffers", PGC_POSTMASTER, PGC_S_DEFAULT, &NBuffers,
|
||||
DEF_NBUFFERS, 16, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"port", PGC_POSTMASTER, &PostPortNumber,
|
||||
"port", PGC_POSTMASTER, PGC_S_DEFAULT, &PostPortNumber,
|
||||
DEF_PGPORT, 1, 65535, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"unix_socket_permissions", PGC_POSTMASTER, &Unix_socket_permissions,
|
||||
"unix_socket_permissions", PGC_POSTMASTER, PGC_S_DEFAULT, &Unix_socket_permissions,
|
||||
0777, 0000, 0777, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"sort_mem", PGC_USERSET, &SortMem,
|
||||
"sort_mem", PGC_USERSET, PGC_S_DEFAULT, &SortMem,
|
||||
512, 4 * BLCKSZ / 1024, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"vacuum_mem", PGC_USERSET, &VacuumMem,
|
||||
"vacuum_mem", PGC_USERSET, PGC_S_DEFAULT, &VacuumMem,
|
||||
8192, 1024, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"max_files_per_process", PGC_BACKEND, &max_files_per_process,
|
||||
"max_files_per_process", PGC_BACKEND, PGC_S_DEFAULT, &max_files_per_process,
|
||||
1000, 25, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"debug_level", PGC_USERSET, &DebugLvl,
|
||||
"debug_level", PGC_USERSET, PGC_S_DEFAULT, &DebugLvl,
|
||||
0, 0, 16, NULL, NULL
|
||||
},
|
||||
|
||||
#ifdef LOCK_DEBUG
|
||||
{
|
||||
"trace_lock_oidmin", PGC_SUSET, &Trace_lock_oidmin,
|
||||
"trace_lock_oidmin", PGC_SUSET, PGC_S_DEFAULT, &Trace_lock_oidmin,
|
||||
BootstrapObjectIdData, 1, INT_MAX, NULL, NULL
|
||||
},
|
||||
{
|
||||
"trace_lock_table", PGC_SUSET, &Trace_lock_table,
|
||||
"trace_lock_table", PGC_SUSET, PGC_S_DEFAULT, &Trace_lock_table,
|
||||
0, 0, INT_MAX, NULL, NULL
|
||||
},
|
||||
#endif
|
||||
{
|
||||
"max_expr_depth", PGC_USERSET, &max_expr_depth,
|
||||
"max_expr_depth", PGC_USERSET, PGC_S_DEFAULT, &max_expr_depth,
|
||||
DEFAULT_MAX_EXPR_DEPTH, 10, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"max_fsm_relations", PGC_POSTMASTER, &MaxFSMRelations,
|
||||
"max_fsm_relations", PGC_POSTMASTER, PGC_S_DEFAULT, &MaxFSMRelations,
|
||||
100, 10, INT_MAX, NULL, NULL
|
||||
},
|
||||
{
|
||||
"max_fsm_pages", PGC_POSTMASTER, &MaxFSMPages,
|
||||
"max_fsm_pages", PGC_POSTMASTER, PGC_S_DEFAULT, &MaxFSMPages,
|
||||
10000, 1000, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"max_locks_per_transaction", PGC_POSTMASTER, &max_locks_per_xact,
|
||||
"max_locks_per_transaction", PGC_POSTMASTER, PGC_S_DEFAULT, &max_locks_per_xact,
|
||||
64, 10, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"authentication_timeout", PGC_SIGHUP, &AuthenticationTimeout,
|
||||
"authentication_timeout", PGC_SIGHUP, PGC_S_DEFAULT, &AuthenticationTimeout,
|
||||
60, 1, 600, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"pre_auth_delay", PGC_SIGHUP, &PreAuthDelay,
|
||||
"pre_auth_delay", PGC_SIGHUP, PGC_S_DEFAULT, &PreAuthDelay,
|
||||
0, 0, 60, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"checkpoint_segments", PGC_SIGHUP, &CheckPointSegments,
|
||||
"checkpoint_segments", PGC_SIGHUP, PGC_S_DEFAULT, &CheckPointSegments,
|
||||
3, 1, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"checkpoint_timeout", PGC_SIGHUP, &CheckPointTimeout,
|
||||
"checkpoint_timeout", PGC_SIGHUP, PGC_S_DEFAULT, &CheckPointTimeout,
|
||||
300, 30, 3600, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"wal_buffers", PGC_POSTMASTER, &XLOGbuffers,
|
||||
"wal_buffers", PGC_POSTMASTER, PGC_S_DEFAULT, &XLOGbuffers,
|
||||
8, 4, INT_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"wal_files", PGC_SIGHUP, &XLOGfiles,
|
||||
"wal_files", PGC_SIGHUP, PGC_S_DEFAULT, &XLOGfiles,
|
||||
0, 0, 64, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"wal_debug", PGC_SUSET, &XLOG_DEBUG,
|
||||
"wal_debug", PGC_SUSET, PGC_S_DEFAULT, &XLOG_DEBUG,
|
||||
0, 0, 16, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"commit_delay", PGC_USERSET, &CommitDelay,
|
||||
"commit_delay", PGC_USERSET, PGC_S_DEFAULT, &CommitDelay,
|
||||
0, 0, 100000, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"commit_siblings", PGC_USERSET, &CommitSiblings,
|
||||
"commit_siblings", PGC_USERSET, PGC_S_DEFAULT, &CommitSiblings,
|
||||
5, 1, 1000, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
NULL, 0, NULL, 0, 0, 0, NULL, NULL
|
||||
NULL, 0, 0, NULL, 0, 0, 0, NULL, NULL
|
||||
}
|
||||
};
|
||||
|
||||
@ -513,34 +518,34 @@ static struct config_real
|
||||
ConfigureNamesReal[] =
|
||||
{
|
||||
{
|
||||
"effective_cache_size", PGC_USERSET, &effective_cache_size,
|
||||
"effective_cache_size", PGC_USERSET, PGC_S_DEFAULT, &effective_cache_size,
|
||||
DEFAULT_EFFECTIVE_CACHE_SIZE, 0, DBL_MAX, NULL, NULL
|
||||
},
|
||||
{
|
||||
"random_page_cost", PGC_USERSET, &random_page_cost,
|
||||
"random_page_cost", PGC_USERSET, PGC_S_DEFAULT, &random_page_cost,
|
||||
DEFAULT_RANDOM_PAGE_COST, 0, DBL_MAX, NULL, NULL
|
||||
},
|
||||
{
|
||||
"cpu_tuple_cost", PGC_USERSET, &cpu_tuple_cost,
|
||||
"cpu_tuple_cost", PGC_USERSET, PGC_S_DEFAULT, &cpu_tuple_cost,
|
||||
DEFAULT_CPU_TUPLE_COST, 0, DBL_MAX, NULL, NULL
|
||||
},
|
||||
{
|
||||
"cpu_index_tuple_cost", PGC_USERSET, &cpu_index_tuple_cost,
|
||||
"cpu_index_tuple_cost", PGC_USERSET, PGC_S_DEFAULT, &cpu_index_tuple_cost,
|
||||
DEFAULT_CPU_INDEX_TUPLE_COST, 0, DBL_MAX, NULL, NULL
|
||||
},
|
||||
{
|
||||
"cpu_operator_cost", PGC_USERSET, &cpu_operator_cost,
|
||||
"cpu_operator_cost", PGC_USERSET, PGC_S_DEFAULT, &cpu_operator_cost,
|
||||
DEFAULT_CPU_OPERATOR_COST, 0, DBL_MAX, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"geqo_selection_bias", PGC_USERSET, &Geqo_selection_bias,
|
||||
"geqo_selection_bias", PGC_USERSET, PGC_S_DEFAULT, &Geqo_selection_bias,
|
||||
DEFAULT_GEQO_SELECTION_BIAS, MIN_GEQO_SELECTION_BIAS,
|
||||
MAX_GEQO_SELECTION_BIAS, NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
NULL, 0, NULL, 0.0, 0.0, 0.0, NULL, NULL
|
||||
NULL, 0, 0, NULL, 0.0, 0.0, 0.0, NULL, NULL
|
||||
}
|
||||
};
|
||||
|
||||
@ -549,54 +554,54 @@ static struct config_string
|
||||
ConfigureNamesString[] =
|
||||
{
|
||||
{
|
||||
"default_transaction_isolation", PGC_USERSET, &default_iso_level_string,
|
||||
"default_transaction_isolation", PGC_USERSET, PGC_S_DEFAULT, &default_iso_level_string,
|
||||
"read committed", check_defaultxactisolevel, assign_defaultxactisolevel
|
||||
},
|
||||
|
||||
{
|
||||
"dynamic_library_path", PGC_SUSET, &Dynamic_library_path,
|
||||
"dynamic_library_path", PGC_SUSET, PGC_S_DEFAULT, &Dynamic_library_path,
|
||||
"$libdir", NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"krb_server_keyfile", PGC_POSTMASTER, &pg_krb_server_keyfile,
|
||||
"krb_server_keyfile", PGC_POSTMASTER, PGC_S_DEFAULT, &pg_krb_server_keyfile,
|
||||
PG_KRB_SRVTAB, NULL, NULL
|
||||
},
|
||||
|
||||
#ifdef ENABLE_SYSLOG
|
||||
{
|
||||
"syslog_facility", PGC_POSTMASTER, &Syslog_facility,
|
||||
"syslog_facility", PGC_POSTMASTER, PGC_S_DEFAULT, &Syslog_facility,
|
||||
"LOCAL0", check_facility, NULL
|
||||
},
|
||||
{
|
||||
"syslog_ident", PGC_POSTMASTER, &Syslog_ident,
|
||||
"syslog_ident", PGC_POSTMASTER, PGC_S_DEFAULT, &Syslog_ident,
|
||||
"postgres", NULL, NULL
|
||||
},
|
||||
#endif
|
||||
|
||||
{
|
||||
"unix_socket_group", PGC_POSTMASTER, &Unix_socket_group,
|
||||
"unix_socket_group", PGC_POSTMASTER, PGC_S_DEFAULT, &Unix_socket_group,
|
||||
"", NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"unix_socket_directory", PGC_POSTMASTER, &UnixSocketDir,
|
||||
"unix_socket_directory", PGC_POSTMASTER, PGC_S_DEFAULT, &UnixSocketDir,
|
||||
"", NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"virtual_host", PGC_POSTMASTER, &VirtualHost,
|
||||
"virtual_host", PGC_POSTMASTER, PGC_S_DEFAULT, &VirtualHost,
|
||||
"", NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
"wal_sync_method", PGC_SIGHUP, &XLOG_sync_method,
|
||||
"wal_sync_method", PGC_SIGHUP, PGC_S_DEFAULT, &XLOG_sync_method,
|
||||
XLOG_sync_method_default, check_xlog_sync_method,
|
||||
assign_xlog_sync_method
|
||||
},
|
||||
|
||||
{
|
||||
NULL, 0, NULL, NULL, NULL, NULL
|
||||
NULL, 0, 0, NULL, NULL, NULL, NULL
|
||||
}
|
||||
};
|
||||
|
||||
@ -870,11 +875,12 @@ parse_real(const char *value, double *result)
|
||||
*/
|
||||
bool
|
||||
set_config_option(const char *name, const char *value,
|
||||
GucContext context, bool DoIt, bool makeDefault)
|
||||
GucContext context, bool DoIt, GucSource source)
|
||||
{
|
||||
struct config_generic *record;
|
||||
enum config_type type;
|
||||
int elevel;
|
||||
bool makeDefault;
|
||||
|
||||
elevel = (context == PGC_SIGHUP) ? DEBUG : ERROR;
|
||||
|
||||
@ -885,6 +891,15 @@ set_config_option(const char *name, const char *value,
|
||||
return false;
|
||||
}
|
||||
|
||||
if (record->source > source)
|
||||
{
|
||||
if (DebugLvl > 1)
|
||||
elog(DEBUG, "setting %s refused because previous source is higher",
|
||||
name);
|
||||
return false;
|
||||
}
|
||||
makeDefault = source < PGC_S_SESSION;
|
||||
|
||||
/*
|
||||
* Check if the option can be set at this time. See guc.h for the
|
||||
* precise rules. Note that we don't want to throw errors if we're in
|
||||
@ -961,6 +976,7 @@ set_config_option(const char *name, const char *value,
|
||||
*conf->variable = boolval;
|
||||
if (makeDefault)
|
||||
conf->default_val = boolval;
|
||||
conf->source = source;
|
||||
}
|
||||
}
|
||||
else if (DoIt)
|
||||
@ -1005,6 +1021,7 @@ set_config_option(const char *name, const char *value,
|
||||
*conf->variable = intval;
|
||||
if (makeDefault)
|
||||
conf->default_val = intval;
|
||||
conf->source = source;
|
||||
}
|
||||
}
|
||||
else if (DoIt)
|
||||
@ -1049,6 +1066,7 @@ set_config_option(const char *name, const char *value,
|
||||
*conf->variable = dval;
|
||||
if (makeDefault)
|
||||
conf->default_val = dval;
|
||||
conf->source = source;
|
||||
}
|
||||
}
|
||||
else if (DoIt)
|
||||
@ -1099,6 +1117,7 @@ set_config_option(const char *name, const char *value,
|
||||
free(conf->default_val);
|
||||
conf->default_val = str;
|
||||
}
|
||||
conf->source = source;
|
||||
}
|
||||
}
|
||||
else if (DoIt)
|
||||
@ -1143,9 +1162,9 @@ set_config_option(const char *name, const char *value,
|
||||
*/
|
||||
void
|
||||
SetConfigOption(const char *name, const char *value,
|
||||
GucContext context, bool makeDefault)
|
||||
GucContext context, GucSource source)
|
||||
{
|
||||
(void) set_config_option(name, value, context, true, makeDefault);
|
||||
(void) set_config_option(name, value, context, true, source);
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user