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Allow 'help' in psql to show \? help, for novice assistance.

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Greg Sabino Mullane
This commit is contained in:
Bruce Momjian 2008-04-04 17:42:43 +00:00
parent a051ab0a80
commit dc565af454
2 changed files with 14 additions and 2 deletions
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3
src/bin/psql/help.c
View File

@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/help.c,v 1.124 2008/03/29 19:40:12 tgl Exp $
* $PostgreSQL: pgsql/src/bin/psql/help.c,v 1.125 2008/04/04 17:42:43 momjian Exp $
*/
#include "postgres_fe.h"
@ -188,6 +188,7 @@ slashUsage(unsigned short int pager)
ON(pset.timing));
fprintf(output, _(" \\unset NAME unset (delete) internal variable\n"));
fprintf(output, _(" \\! [COMMAND] execute command in shell or start interactive shell\n"));
fprintf(output, _(" \\? display this help output\n"));
fprintf(output, "\n");
fprintf(output, _("Query Buffer\n"));

13
src/bin/psql/mainloop.c
View File

@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/mainloop.c,v 1.87 2008/01/01 19:45:56 momjian Exp $
* $PostgreSQL: pgsql/src/bin/psql/mainloop.c,v 1.88 2008/04/04 17:42:43 momjian Exp $
*/
#include "postgres_fe.h"
#include "mainloop.h"
@ -11,6 +11,7 @@
#include "command.h"
#include "common.h"
#include "help.h"
#include "input.h"
#include "settings.h"
@ -171,6 +172,16 @@ MainLoop(FILE *source)
continue;
}
/* A request for help? Be friendly and show them the slash way of doing things */
if (pset.cur_cmd_interactive && query_buf->len == 0 &&
pg_strncasecmp(line, "help", 4) == 0 &&
(line[4] == '\0' || line[4] == ';' || isspace(line[4])))
{
free(line);
slashUsage(pset.popt.topt.pager);
continue;
}
/* echo back if flag is set */
if (pset.echo == PSQL_ECHO_ALL && !pset.cur_cmd_interactive)
puts(line);