Add assert checking to GUC ("debug_assertions")
Rename settings net_server to tcpip_socket, max_backends to max_connections Add --help and --version to postmaster, reformat help output
This commit is contained in:
parent
cbdaa27f97
commit
648677c3a2
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.12 2000/06/22 22:31:15 petere Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.13 2000/07/12 17:38:41 petere Exp $
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-->
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<Chapter Id="runtime">
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@ -671,6 +671,19 @@ env PGOPTIONS='--geqo=off' psql
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<para>
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<variablelist>
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<varlistentry>
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<term>DEBUG_ASSERTIONS (<type>boolean</type>)</term>
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<listitem>
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<para>
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Turns on various assertion checks. This is a debugging aid. If
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you are experiencing strange problems or crashes you might
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want to turn this on, as it might expose programming mistakes.
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To use this option, the macro <literal>USE_ASSERT_CHECKING</>
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must be defined when Postgres is built.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>DEBUG_LEVEL (<type>integer</type>)</term>
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<listitem>
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@ -843,13 +856,13 @@ env PGOPTIONS='--geqo=off' psql
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</varlistentry>
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<varlistentry>
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<term>MAX_BACKENDS (<type>integer</type>)</term>
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<term>MAX_CONNECTIONS (<type>integer</type>)</term>
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<listitem>
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<para>
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Determines how many concurrent connections the database server
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will allow. The default is 32. Note that there is also a
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compiled-in hard limit on this option, which is currently
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1024. This parameter can only be set at server start.
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will allow. The default is 32. There is also a compiled-in
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hard upper limit on this option, which is currently 1024. This
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parameter can only be set at server start.
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</para>
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</listitem>
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</varlistentry>
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@ -868,7 +881,7 @@ env PGOPTIONS='--geqo=off' psql
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</varlistentry>
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<varlistentry>
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<term>NET_SERVER (<type>boolean</type>)</term>
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<term>TCPIP_SOCKET (<type>boolean</type>)</term>
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<listitem>
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<para>
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If this is true, then the server will accept TCP/IP
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@ -922,12 +935,12 @@ env PGOPTIONS='--geqo=off' psql
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This controls the inheritance semantics, in particular whether
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subtables are included into the consideration of various
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commands by default. This was not the case in versions prior
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to 7.1. If you need this behaviour you can set this variable
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to off, but in the long run you are encouraged to change your
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applications to use the <literal>ONLY</literal> keyword to
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exclude subtables. See the SQL language reference and the
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<citetitle>User's Guide</citetitle> for more information about
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inheritance.
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to 7.1. If you need the old behaviour you can set this
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variable to off, but in the long run you are encouraged to
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change your applications to use the <literal>ONLY</literal>
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keyword to exclude subtables. See the SQL language reference
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and the <citetitle>User's Guide</citetitle> for more
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information about inheritance.
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</para>
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</listitem>
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</varlistentry>
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@ -971,12 +984,12 @@ env PGOPTIONS='--geqo=off' psql
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</row>
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<row>
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<entry>-i</entry>
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<entry>net_server = on</entry>
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<entry>tcpip_socket = on</entry>
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<entry></entry>
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</row>
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<row>
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<entry>-N <replaceable>x</replaceable></entry>
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<entry>max_backends = <replaceable>x</replaceable></entry>
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<entry>max_connections = <replaceable>x</replaceable></entry>
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<entry></entry>
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</row>
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<row>
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@ -11,7 +11,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.154 2000/07/09 13:14:05 petere Exp $
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* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.155 2000/07/12 17:38:42 petere Exp $
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*
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* NOTES
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*
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@ -280,11 +280,6 @@ void GetCharSetByHost(char *, int, char *);
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#endif
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#ifdef USE_ASSERT_CHECKING
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int assert_enabled = 1;
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#endif
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static void
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checkDataDir(const char *DataDir)
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* will occur.
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*/
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opterr = 1;
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while ((opt = getopt(argc, argv, "A:a:B:b:D:d:Film:MN:no:p:Ss-:")) != EOF)
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while ((opt = getopt(argc, argv, "A:a:B:b:D:d:Film:MN:no:p:Ss-:?")) != EOF)
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{
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if (opt == 'D')
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switch(opt)
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{
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if (DataDir)
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free(DataDir);
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DataDir = strdup(optarg);
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case 'D':
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if (DataDir)
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free(DataDir);
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DataDir = strdup(optarg);
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break;
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case '-':
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{
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char *name, *value;
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ParseLongOption(optarg, &name, &value);
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if (strcmp(name, "help")==0)
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{
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usage(progname);
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exit(0);
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}
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else if (strcmp(name, "version")==0)
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{
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puts("postmaster (PostgreSQL) " PG_VERSION);
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exit(0);
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}
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break;
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}
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case '?':
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if (strcmp(argv[optind - 1], "-?") == 0)
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{
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usage(progname);
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exit(0);
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}
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else
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{
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fprintf(stderr, "Try -? for help.\n");
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exit(1);
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}
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break;
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}
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}
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ProcessConfigFile(PGC_POSTMASTER);
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IgnoreSystemIndexes(false);
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while ((opt = getopt(argc, argv, "A:a:B:b:D:d:Film:MN:no:p:Ss-:")) != EOF)
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while ((opt = getopt(argc, argv, "A:a:B:b:D:d:Film:MN:no:p:Ss-:?")) != EOF)
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{
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switch (opt)
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{
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case 'A':
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#ifndef USE_ASSERT_CHECKING
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fprintf(stderr, "Assert checking is not enabled\n");
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fprintf(stderr, "Assert checking is not compiled in\n");
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#else
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/*
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* Pass this option also to each backend.
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*/
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assert_enabled = atoi(optarg);
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strcat(ExtraOptions, " -A ");
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strcat(ExtraOptions, optarg);
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#endif
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break;
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case 'a':
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free(value);
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break;
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}
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default:
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/* usage() never returns */
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usage(progname);
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break;
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/* shouldn't get here */
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fprintf(stderr, "Try -? for help.\n");
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exit(1);
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}
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}
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/*
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* Non-option switch arguments don't exist.
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*/
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if (optind < argc)
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{
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fprintf(stderr, "%s: invalid argument -- %s\n", progname, argv[optind]);
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exit(1);
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}
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/*
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* Check for invalid combinations of switches
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*/
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* for lack of buffers. The specific choices here are somewhat
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* arbitrary.
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*/
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fprintf(stderr, "%s: -B must be at least twice -N and at least 16.\n",
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fprintf(stderr, "%s: The number of buffers (-B) must be at least twice the number of allowed connections (-N) and at least 16.\n",
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progname);
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exit(1);
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}
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on_proc_exit(UnlinkPidFile, NULL);
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}
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/*
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* Print out help message
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*/
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static void
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usage(const char *progname)
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{
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fprintf(stderr, "usage: %s [options]\n", progname);
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printf("%s is the PostgreSQL server.\n\n", progname);
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printf("Usage:\n %s [options]\n\n", progname);
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printf("Options:\n");
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#ifdef USE_ASSERT_CHECKING
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fprintf(stderr, "\t-A [1|0]\tenable/disable runtime assert checking\n");
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printf(" -A 1|0 enable/disable runtime assert checking\n");
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#endif
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fprintf(stderr, "\t-B nbufs\tset number of shared buffers\n");
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fprintf(stderr, "\t-D datadir\tset data directory\n");
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fprintf(stderr, "\t-S \t\tsilent mode (disassociate from tty)\n");
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fprintf(stderr, "\t-a system\tuse this authentication system\n");
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fprintf(stderr, "\t-b backend\tuse a specific backend server executable\n");
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fprintf(stderr, "\t-d [1-5]\tset debugging level\n");
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fprintf(stderr, "\t-i \t\tlisten on TCP/IP sockets as well as Unix domain socket\n");
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printf(" -B <buffers> number of shared buffers\n");
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printf(" -d 1-5 debugging level\n");
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printf(" -D <directory> database directory\n");
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printf(" -F turn fsync off\n");
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printf(" -i listen on TCP/IP sockets\n");
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#ifdef USE_SSL
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fprintf(stderr, " \t-l \t\tfor TCP/IP sockets, listen only on SSL connections\n");
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printf(" -l listen only on SSL connections (EXPERIMENTAL)\n");
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#endif
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fprintf(stderr, "\t-N nprocs\tset max number of backends (1..%d, default %d)\n",
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printf(" -N <number> maximum number of allowed connections (1..%d, default %d)\n",
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MAXBACKENDS, DEF_MAXBACKENDS);
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fprintf(stderr, "\t-n \t\tdon't reinitialize shared memory after abnormal exit\n");
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fprintf(stderr, "\t-o option\tpass 'option' to each backend servers\n");
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fprintf(stderr, "\t-p port\tspecify port for postmaster to listen on\n");
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fprintf(stderr, "\t-s \t\tsend SIGSTOP to all backend servers if one dies\n");
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exit(1);
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printf(" -o <option> pass `option' to each backend server\n");
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printf(" -p <port> port number to listen on\n");
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printf(" -S silent mode (dissociate from tty)\n");
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printf("\nDeveloper options:\n");
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printf(" -n don't reinitialize shared memory after abnormal exit\n");
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printf(" -s send SIGSTOP to all backend servers if one dies\n");
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printf("\nPlease read the documentation for the complete list of runtime\n"
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"configuration settings and how to set them on the command line or in\n"
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"the configuration file.\n\n");
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printf("Report bugs to <pgsql-bugs@postgresql.org>.\n");
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}
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static int
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/*
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* set flag is SIGHUP was detected so config file can be reread in
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* Set flag if SIGHUP was detected so config file can be reread in
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* main loop
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*/
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static void
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.168 2000/07/11 14:30:27 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.169 2000/07/12 17:38:45 petere Exp $
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*
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* NOTES
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* this is the "main" module of the postgres backend and
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@ -907,14 +907,10 @@ PostgresMain(int argc, char *argv[], int real_argc, char *real_argv[])
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switch (flag)
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{
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case 'A':
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/* ----------------
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* enable/disable assert checking.
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* ----------------
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*/
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#ifdef USE_ASSERT_CHECKING
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assert_enabled = atoi(optarg);
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#else
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fprintf(stderr, "Assert checking is not enabled\n");
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fprintf(stderr, "Assert checking is not compiled in\n");
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#endif
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break;
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if (!IsUnderPostmaster)
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{
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puts("\nPOSTGRES backend interactive interface ");
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puts("$Revision: 1.168 $ $Date: 2000/07/11 14:30:27 $\n");
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puts("$Revision: 1.169 $ $Date: 2000/07/12 17:38:45 $\n");
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}
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/*
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@ -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 1.5 2000/07/03 20:46:05 petere Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.6 2000/07/12 17:38:48 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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/*
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* Debugging options
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*/
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#ifdef USE_ASSERT_CHECKING
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bool assert_enabled;
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#endif
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bool Debug_print_query = false;
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bool Debug_print_plan = false;
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bool Debug_print_parse = false;
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{"ksqo", PGC_USERSET, &_use_keyset_query_optimizer, false},
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{"geqo", PGC_USERSET, &enable_geqo, true},
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{"net_server", PGC_POSTMASTER, &NetServer, false},
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{"tcpip_socket", PGC_POSTMASTER, &NetServer, false},
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{"fsync", PGC_USERSET, &enableFsync, true},
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{"log_connections", PGC_SIGHUP, &Log_connections, false},
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{"log_timestamp", PGC_SIGHUP, &Log_timestamp, false},
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{"log_pid", PGC_SIGHUP, &Log_pid, false},
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#ifdef USE_ASSERT_CHECKING
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{"debug_assertions", PGC_USERSET, &assert_enabled, false},
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#endif
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{"debug_print_query", PGC_USERSET, &Debug_print_query, false},
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{"debug_print_parse", PGC_USERSET, &Debug_print_parse, false},
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{"debug_print_rewritten", PGC_USERSET, &Debug_print_rewritten, false},
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@ -216,7 +223,7 @@ ConfigureNamesInt[] =
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* make sure the buffers are at least twice the number of
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* backends, so the constraints here are partially unused.
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*/
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{"max_backends", PGC_POSTMASTER, &MaxBackends,
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{"max_connections", PGC_POSTMASTER, &MaxBackends,
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DEF_MAXBACKENDS, 1, MAXBACKENDS},
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{"shmem_buffers", PGC_POSTMASTER, &NBuffers,
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DEF_NBUFFERS, 16, INT_MAX},
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@ -8,7 +8,7 @@
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: c.h,v 1.76 2000/07/07 21:12:47 tgl Exp $
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* $Id: c.h,v 1.77 2000/07/12 17:38:53 petere Exp $
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*
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*-------------------------------------------------------------------------
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*/
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|
@ -706,7 +706,7 @@ typedef struct Exception
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#define AssertState(condition) \
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Trap(!(condition), BadState)
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extern int assert_enabled;
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extern bool assert_enabled;
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#endif /* USE_ASSERT_CHECKING */
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