Hello,
I went through the patch, seems mostly fine, I adjusted some wording,
removed the default .pgpass file info since it's not accurate, and
replaced couple of phrases with (hopefully) more informative ones.
--
Petr Jelinek http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
commit 4d77ccf19ac77dc0f43a58f4d2b74d4aebed871d
Author: Pavel Stehule <pavel.steh...@gooddata.com>
Date: Mon Jun 23 19:38:41 2014 +0200
without comments
diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index ee6ec3a..6a172dc 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -556,6 +556,15 @@ EOF
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--help-variables</></term>
+ <listitem>
+ <para>
+ Show help about <application>psql</application> variables,
+ and exit.
+ </para>
+ </listitem>
+ </varlistentry>
</variablelist>
</refsect1>
diff --git a/src/bin/psql/help.c b/src/bin/psql/help.c
index 3aa3c16..1304e1a 100644
--- a/src/bin/psql/help.c
+++ b/src/bin/psql/help.c
@@ -78,12 +78,13 @@ usage(void)
printf(_(" -f, --file=FILENAME execute commands from file, then exit\n"));
printf(_(" -l, --list list available databases, then exit\n"));
printf(_(" -v, --set=, --variable=NAME=VALUE\n"
- " set psql variable NAME to VALUE\n"));
+ " set psql variable NAME to VALUE e.g.: -v ON_ERROR_STOP=1\n"));
printf(_(" -V, --version output version information, then exit\n"));
printf(_(" -X, --no-psqlrc do not read startup file (~/.psqlrc)\n"));
printf(_(" -1 (\"one\"), --single-transaction\n"
" execute as a single transaction (if non-interactive)\n"));
printf(_(" -?, --help show this help, then exit\n"));
+ printf(_(" --help-variables show a list of all specially treated variables, then exit\n"));
printf(_("\nInput and output options:\n"));
printf(_(" -a, --echo-all echo all input from script\n"));
@@ -279,6 +280,92 @@ slashUsage(unsigned short int pager)
}
+/*
+ * show list of available variables (options) from command line
+ */
+void
+help_variables(void)
+{
+ printf(_("List of specially treated variables.\n"));
+
+ printf(_("psql variables:\n"));
+ printf(_("Usage:\n"));
+ printf(_(" psql --set=NAME=VALUE\n or \\set NAME VALUE in interactive mode\n\n"));
+
+ printf(_(" AUTOCOMMIT successful SQL commands are automatically committed\n"));
+ printf(_(" COMP_KEYWORD_CASE determines which letter case to use when completing an SQL key word\n"));
+ printf(_(" DBNAME name of currently connected database\n"));
+ printf(_(" ECHO control what input can be written to standard output [all, queries]\n"));
+ printf(_(" ECHO_HIDDEN display internal queries executed by backslash commands\n"));
+ printf(_(" ENCODING current client character set encoding\n"));
+ printf(_(" FETCH_COUNT the number of result rows to fetch and display at a time\n"
+ " (default: 0=unlimited)\n"));
+ printf(_(" HISTCONTROL control history list [ignorespace, ignoredups, ignoreboth]\n"));
+ printf(_(" HISTFILE file name used to store the history list\n"));
+ printf(_(" HISTSIZE the number of commands to store in the command history\n"));
+ printf(_(" HOST the currently connected database server\n"));
+ printf(_(" IGNOREEOF if unset, sending an EOF to interactive session terminates application\n"));
+ printf(_(" LASTOID the value of last affected OID\n"));
+ printf(_(" ON_ERROR_ROLLBACK when on, the error doesn't stop transaction (uses implicit SAVEPOINTs)\n"));
+ printf(_(" ON_ERROR_STOP stop batch execution after error\n"));
+ printf(_(" PORT server port of the current connection\n"));
+ printf(_(" PROMPT1, PROMPT2, PROMPT3\n"
+ " specify the psql prompt\n"));
+ printf(_(" QUIET run quietly (same as -q option)\n"));
+ printf(_(" SINGLELINE end of line terminates SQL command mode (same as -S option)\n"));
+ printf(_(" SINGLESTEP single-step mode (same as -s option)\n"));
+ printf(_(" USER the database user currently connected as\n"));
+ printf(_(" VERBOSITY control verbosity of error reports [default, verbose, terse]\n"));
+
+ printf(_("\nPrinting options:\n"));
+ printf(_("Usage:\n"));
+ printf(_(" psql --pset=NAME[=VALUE]\n or \\pset NAME [VALUE] in interactive mode\n\n"));
+
+ printf(_(" border border style (number)\n"));
+ printf(_(" columns set the target width for the wrapped format\n"));
+ printf(_(" expanded (or x) toggle expanded output\n"));
+ printf(_(" fieldsep field separator for unaligned output (default '|')\n"));
+ printf(_(" fieldsep_zero set field separator in unaligned mode to zero\n"));
+ printf(_(" format set output format [unaligned, aligned, wrapped, html, latex, ..]\n"));
+ printf(_(" footer enable or disable display of the table foote [on, off]\n"));
+ printf(_(" linestyle set the border line drawing style [ascii, old-ascii, unicode]\n"));
+ printf(_(" null set the string to be printed in place of a null value\n"));
+ printf(_(" numericlocale enable or disable display of a locale-specific character to separate\n"
+ " groups digits [on, off]\n"));
+ printf(_(" pager control the use of pager program of query and help output\n"));
+ printf(_(" recordsep specify the record (line) separator to use in unaligned output format\n"));
+ printf(_(" recordsep_zero set the record separator to use in unaligned output format to a zero byte.\n"));
+ printf(_(" tableattr (or T) specify attributies for table tag in html format or proportional\n"
+ " column width of left aligned data type in latex format\n"));
+ printf(_(" title set the table title for any subsequently printed tables\n"));
+ printf(_(" tuples_only when on, only actual table data is shown\n"));
+
+ printf(_("\nEnvironment variables:\n"));
+ printf(_("Usage:\n"));
+ printf(_(" NAME=VALUE [NAME=VALUE] psql ...\n or \\setenv NAME [VALUE] in interactive mode\n\n"));
+
+ printf(_(" COLUMNS number of columns for wrapped format\n"));
+ printf(_(" PAGER used pager\n"));
+ printf(_(" PGDATABASE same as the dbname connection parameter\n"));
+ printf(_(" PGHOST same as the host connection parameter\n"));
+ printf(_(" PGPORT same as the port connection parameter\n"));
+ printf(_(" PGUSER same as the user connection parameter\n"));
+ printf(_(" PGPASSWORD connection password (not recommended)\n"));
+ printf(_(" PGPASSFILE password file name\n"));
+ printf(_(" PSQL_EDITOR, EDITOR, VISUAL\n"
+ " editor used by \\e \\ef commands\n"));
+ printf(_(" PSQL_EDITOR_LINE_NUMBER_ARG\n"
+ " style how line number is used in editor\n"));
+ printf(_(" PSQL_HISTORY alternative location for the command history file\n"));
+ printf(_(" PSQLRC alternative location of the user's .psqlrc file\n"));
+ printf(_(" SHELL command executed by the \\! command\n"));
+ printf(_(" TMPDIR directory for storing temporary files\n"));
+
+ printf(_("\nFor more information consult the psql section in the PostgreSQL\n"
+ "documentation.\n\n"));
+ printf(_("Report bugs to <pgsql-b...@postgresql.org>.\n"));
+}
+
/*
* helpSQL -- help with SQL commands
diff --git a/src/bin/psql/help.h b/src/bin/psql/help.h
index 054d5a4..e7affff 100644
--- a/src/bin/psql/help.h
+++ b/src/bin/psql/help.h
@@ -12,6 +12,8 @@ void usage(void);
void slashUsage(unsigned short int pager);
+void help_variables(void);
+
void helpSQL(const char *topic, unsigned short int pager);
void print_copyright(void);
diff --git a/src/bin/psql/startup.c b/src/bin/psql/startup.c
index 45653a1..d911159 100644
--- a/src/bin/psql/startup.c
+++ b/src/bin/psql/startup.c
@@ -383,6 +383,7 @@ parse_psql_options(int argc, char *argv[], struct adhoc_opts * options)
{"expanded", no_argument, NULL, 'x'},
{"no-psqlrc", no_argument, NULL, 'X'},
{"help", no_argument, NULL, '?'},
+ {"help-variables", no_argument, NULL, 1},
{NULL, 0, NULL, 0}
};
@@ -566,6 +567,9 @@ parse_psql_options(int argc, char *argv[], struct adhoc_opts * options)
exit(EXIT_FAILURE);
}
break;
+ case 1:
+ help_variables();
+ exit(EXIT_SUCCESS);
default:
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
pset.progname);
--
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