Hello
2014-06-21 15:51 GMT+02:00 MauMau <maumau...@gmail.com>: > eFrom: "Pavel Stehule" <pavel.steh...@gmail.com> > >> here is a prototype: >> > > The patch applied and built with success. There are a few minor things: > > > (1) > help_variables() lacks description of some variables such as SINGLELINE > and SINGLESTEP. I think this help should list all available variables, > because users may want to know the existence of those missing variables. > Based on this, modify these lines: remove "some" from the first line and > the entire second line. > > + printf(_("List of some variables (options) for use from command > line.\n")); > + printf(_("Complete list you find in psql section in the PostgreSQL > documentation.\n\n")); > > I fixed it > > (2) > The indent is different from other lines. Leave just two spaces at the > beginning of the line. > > + printf(_(" --help-variables list of available configuration > variables (options), then exit\n")); > I am not sure in this point. It is aligned left with all long options: -?, --help show this help, then exit --help-variables list of available configuration variables (options), then exit Input and output options: -a, --echo-all echo all input from script -e, --echo-queries echo commands sent to server -E, --echo-hidden display queries that internal commands generate I am thinking so current implementation has sense. > > > (3) > This change is unnecessary. See src/bin/pg_dumpall.c for similar switches. > > - while ((c = getopt_long(argc, argv, "aAc:d:eEf:F:h:HlL:no:p:P:qR: > sStT:U:v:VwWxXz?01", > or+ while ((c = getopt_long(argc, argv, "aAc:d:eEf:F:h:HlL:no:p:P:qR: > sStT:U:v:VwWxXz?001", > fixed > > Regards > MauMau > > updated patch is in attachment Regards Pavel
commit 826bd11fb4e9ac4b26cfe2e3702535f6b9527c12 Author: Pavel Stehule <pavel.steh...@gmail.com> Date: Sun Jun 22 00:08:24 2014 +0200 initial diff --git a/src/bin/psql/help.c b/src/bin/psql/help.c index 3aa3c16..aa11808 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 list of available configuration variables (options), then exit\n")); printf(_("\nInput and output options:\n")); printf(_(" -a, --echo-all echo all input from script\n")); @@ -279,6 +280,80 @@ slashUsage(unsigned short int pager) } +/* + * show list of available variables (options) from command line + */ +void +help_variables(void) +{ + printf(_("List of variables (options) for use from command line.\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 when is on, successful SQL command is automatically commited\n")); + printf(_(" COMP_KEYWORD_CASE determines which letter case to use when completing an SQL key word\n")); + printf(_(" DBNAME the name of currently connected database\n")); + printf(_(" ECHO all lines from input can be written to standard output\n")); + printf(_(" ECHO_HIDDEN display queries for internal commands (same as -E option)\n")); + printf(_(" ENCODING the current client character set encoding\n")); + printf(_(" FETCH_COUNT how many rows should be for one page (default 0 unlimited)\n")); + printf(_(" HISTCONTROL when is set, control history list [ignorespace, ignoredups, ignoreboth]\n")); + printf(_(" HISTFILE file name that be used for store 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 is on, raise ROLLBACK on error automatically\n")); + printf(_(" ON_ERROR_STOP when is set, then batch execution stop immediately after error\n")); + printf(_(" PORT the database server port to which is currently used\n")); + printf(_(" PROPMPT1, PROPMT2, PROPMPT3 specify a look of psql prompt\n")); + printf(_(" QUIET when is set, run quietly (same as -q option)\n")); + printf(_(" SIGLELINE end of line terminates SQL command mode (same as -S option)\n")); + printf(_(" SINGLESTEP confirm each query mode (same as -s option)\n")); + printf(_(" USER the database user that are currently connected\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 number of border style\n")); + printf(_(" fieldsep specify field separator for unaligned output\n")); + printf(_(" fieldsep_zero field separator in unaligned mode will be zero\n")); + printf(_(" format set output format [unaligned, aligned, wrapped, html, latex, ..]\n")); + printf(_(" linestyle sets the border line drawing style [ascii, old-ascii, unicode]\n")); + printf(_(" null sets the string to be printed in place of a null value\n")); + printf(_(" pager when the pager option is off, the pager program is not used\n")); + printf(_(" recordsep specifies the record (line) separator to use in unaligned output format\n")); + printf(_(" recordsep_zero record separator be in unaligned output format a zero byte\n")); + printf(_(" title sets the table title for any subsequently printed tables\n")); + printf(_(" tuples_only in tuples-only mode, only actual table data is shown\n")); + + printf(_("\nEnvironment options:\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 possibility to set password\n")); + printf(_(" PSQL_EDITOR, EDITOR, VISUAL editor used by \\e \\ef commands\n")); + printf(_(" PSQL_EDITOR_LINE_NUMBER_ARG style how to line number is used in editor\n")); + printf(_(" PSQL_HISTORY alternative location for the command history file\n")); + printf(_(" PSQL_RC 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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