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psql: Add PAGER for \h and \?,\C fix, indices spell fix.

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This commit is contained in:
Bruce Momjian
1997-07-24 20:01:33 +00:00
parent 4d8a5efcef
commit 8447148aad
1 changed files with 77 additions and 48 deletions
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125
src/bin/psql/psql.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/psql/Attic/psql.c,v 1.77 1997/07/14 22:08:56 momjian Exp $ * $Header: /cvsroot/pgsql/src/bin/psql/Attic/psql.c,v 1.78 1997/07/24 20:01:33 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -153,40 +153,52 @@ on(bool f)
static void static void
slashUsage(PsqlSettings * ps) slashUsage(PsqlSettings * ps)
{ {
int ch; int usePipe = 0;
char *pagerenv;
fprintf(stderr, " \\? -- help\n"); FILE *fout;
fprintf(stderr, " \\a -- toggle field-alignment (currenty %s)\n", on(ps->opt.align));
fprintf(stderr, " \\C [<captn>] -- set html3 caption (currently '%s')\n", ps->opt.caption ? ps->opt.caption : "");
fprintf(stderr, " \\connect <dbname|-> <user> -- connect to new database (currently '%s')\n", PQdb(ps->db));
fprintf(stderr, " \\copy table {from | to} <fname>\n");
fprintf(stderr, " \\d [<table>] -- list tables and indicies in database or columns in <table>, * for all\n");
fprintf(stderr, " \\di -- list only indicies in database\n");
fprintf(stderr, " \\ds -- list only sequences in database\n");
fprintf(stderr, " \\dt -- list only tables in database\n");
fprintf(stderr, " \\e [<fname>] -- edit the current query buffer or <fname>, \\E execute too\n");
fprintf(stderr, " \\f [<sep>] -- change field separater (currently '%s')\n", ps->opt.fieldSep);
fprintf(stderr, " \\g [<fname>] [|<cmd>] -- send query to backend [and results in <fname> or pipe]\n");
fprintf(stderr, " \\h [<cmd>] -- help on syntax of sql commands, * for all commands\n");
fprintf(stderr, " \\H -- toggle html3 output (currently %s)\n", on(ps->opt.html3));
fprintf(stderr, " \\i <fname> -- read and execute queries from filename\n");
fprintf(stderr, " \\l -- list all databases\n");
fprintf(stderr, " \\m -- toggle monitor-like table display (currently %s)\n", on(ps->opt.standard));
fprintf(stderr, " \\o [<fname>] [|<cmd>] -- send all query results to stdout, <fname>, or pipe\n");
fprintf(stderr, " \\p -- print the current query buffer\n");
fprintf(stderr, "Press ENTER to continue"); if ((pagerenv = getenv("PAGER")) && (pagerenv[0] != '\0') && \
/* eat up any extra characters typed before ENTER */ (fout = popen(pagerenv, "w")))
while ((ch = fgetc(stdin)) != '\r' && ch != '\n') {
; usePipe = 1;
fprintf(stderr, " \\q -- quit\n"); pqsignal(SIGPIPE, SIG_IGN);
fprintf(stderr, " \\r -- reset(clear) the query buffer\n"); }
fprintf(stderr, " \\s [<fname>] -- print history or save it in <fname>\n"); else
fprintf(stderr, " \\t -- toggle table headings and row count (currently %s)\n", on(ps->opt.header)); fout = stderr;
fprintf(stderr, " \\T [<html>] -- set html3.0 <table ...> options (currently '%s')\n", ps->opt.tableOpt ? ps->opt.tableOpt : "");
fprintf(stderr, " \\x -- toggle expanded output (currently %s)\n", on(ps->opt.expanded)); fprintf(fout, " \\? -- help\n");
fprintf(stderr, " \\z -- list current grant/revoke permissions\n"); fprintf(fout, " \\a -- toggle field-alignment (currenty %s)\n", on(ps->opt.align));
fprintf(stderr, " \\! [<cmd>] -- shell escape or command\n"); fprintf(fout, " \\C [<captn>] -- set html3 caption (currently '%s')\n", ps->opt.caption ? ps->opt.caption : "");
fprintf(fout, " \\connect <dbname|-> <user> -- connect to new database (currently '%s')\n", PQdb(ps->db));
fprintf(fout, " \\copy table {from | to} <fname>\n");
fprintf(fout, " \\d [<table>] -- list tables and indices in database or columns in <table>, * for all\n");
fprintf(fout, " \\di -- list only indices in database\n");
fprintf(fout, " \\ds -- list only sequences in database\n");
fprintf(fout, " \\dt -- list only tables in database\n");
fprintf(fout, " \\e [<fname>] -- edit the current query buffer or <fname>, \\E execute too\n");
fprintf(fout, " \\f [<sep>] -- change field separater (currently '%s')\n", ps->opt.fieldSep);
fprintf(fout, " \\g [<fname>] [|<cmd>] -- send query to backend [and results in <fname> or pipe]\n");
fprintf(fout, " \\h [<cmd>] -- help on syntax of sql commands, * for all commands\n");
fprintf(fout, " \\H -- toggle html3 output (currently %s)\n", on(ps->opt.html3));
fprintf(fout, " \\i <fname> -- read and execute queries from filename\n");
fprintf(fout, " \\l -- list all databases\n");
fprintf(fout, " \\m -- toggle monitor-like table display (currently %s)\n", on(ps->opt.standard));
fprintf(fout, " \\o [<fname>] [|<cmd>] -- send all query results to stdout, <fname>, or pipe\n");
fprintf(fout, " \\p -- print the current query buffer\n");
fprintf(fout, " \\q -- quit\n");
fprintf(fout, " \\r -- reset(clear) the query buffer\n");
fprintf(fout, " \\s [<fname>] -- print history or save it in <fname>\n");
fprintf(fout, " \\t -- toggle table headings and row count (currently %s)\n", on(ps->opt.header));
fprintf(fout, " \\T [<html>] -- set html3.0 <table ...> options (currently '%s')\n", ps->opt.tableOpt ? ps->opt.tableOpt : "");
fprintf(fout, " \\x -- toggle expanded output (currently %s)\n", on(ps->opt.expanded));
fprintf(fout, " \\z -- list current grant/revoke permissions\n");
fprintf(fout, " \\! [<cmd>] -- shell escape or command\n");
if (usePipe)
{
pclose(fout);
pqsignal(SIGPIPE, SIG_DFL);
}
} }
static PGresult * static PGresult *
@ -326,12 +338,12 @@ tableList(PsqlSettings * ps, bool deep_tablelist, char info_type)
switch (info_type) { switch (info_type) {
case 't': fprintf(stderr, "Couldn't find any tables!\n"); case 't': fprintf(stderr, "Couldn't find any tables!\n");
break; break;
case 'i': fprintf(stderr, "Couldn't find any indicies!\n"); case 'i': fprintf(stderr, "Couldn't find any indices!\n");
break; break;
case 'S': fprintf(stderr, "Couldn't find any sequences!\n"); case 'S': fprintf(stderr, "Couldn't find any sequences!\n");
break; break;
case 'b': case 'b':
default: fprintf(stderr, "Couldn't find any tables, sequences or indicies!\n"); default: fprintf(stderr, "Couldn't find any tables, sequences or indices!\n");
break; break;
} }
return (-1); return (-1);
@ -1030,18 +1042,38 @@ do_help(const char *topic)
int i; /* Index into QL_HELP[] */ int i; /* Index into QL_HELP[] */
bool help_found; /* We found the help he asked for */ bool help_found; /* We found the help he asked for */
int usePipe = 0;
char *pagerenv;
FILE *fout;
if ((pagerenv = getenv("PAGER")) && (pagerenv[0] != '\0') && \
(fout = popen(pagerenv, "w")))
{
usePipe = 1;
pqsignal(SIGPIPE, SIG_IGN);
}
else
fout = stderr;
help_found = false; /* Haven't found it yet */ help_found = false; /* Haven't found it yet */
for (i = 0; QL_HELP[i].cmd; i++) { for (i = 0; QL_HELP[i].cmd; i++) {
if (strcmp(QL_HELP[i].cmd, topic) == 0 || if (strcmp(QL_HELP[i].cmd, topic) == 0 ||
strcmp(topic, "*") == 0) { strcmp(topic, "*") == 0) {
help_found = true; help_found = true;
printf("Command: %s\n", QL_HELP[i].cmd); fprintf(fout, "Command: %s\n", QL_HELP[i].cmd);
printf("Description: %s\n", QL_HELP[i].help); fprintf(fout, "Description: %s\n", QL_HELP[i].help);
printf("Syntax:\n"); fprintf(fout, "Syntax:\n");
printf("%s\n", QL_HELP[i].syntax); fprintf(fout, "%s\n", QL_HELP[i].syntax);
printf("\n"); fprintf(fout, "\n");
} }
} }
if (usePipe)
{
pclose(fout);
pqsignal(SIGPIPE, SIG_DFL);
}
if (!help_found) if (!help_found)
printf("command not found, " printf("command not found, "
"try \\h with no arguments to see available help\n"); "try \\h with no arguments to see available help\n");
@ -1145,14 +1177,11 @@ HandleSlashCmds(PsqlSettings * settings,
break; break;
case 'C': /* define new caption */ case 'C': /* define new caption */
if (settings->opt.caption) if (settings->opt.caption)
free(settings->opt.caption);
if (!optarg)
{ {
if (settings->opt.caption) free(settings->opt.caption);
free(settings->opt.caption);
settings->opt.caption = NULL; settings->opt.caption = NULL;
} }
else if (!(settings->opt.caption = strdup(optarg))) { if (optarg && !(settings->opt.caption = strdup(optarg))) {
perror("malloc"); perror("malloc");
exit(1); exit(1);
} }
@ -1198,11 +1227,11 @@ HandleSlashCmds(PsqlSettings * settings,
case 'd': /* \d describe tables or columns in a table */ case 'd': /* \d describe tables or columns in a table */
if (strncmp(cmd, "dt", 2) == 0) { /* only tables */ if (strncmp(cmd, "dt", 2) == 0) { /* only tables */
tableList(settings, 0, 't'); tableList(settings, 0, 't');
} else if (strncmp(cmd, "di", 2) == 0) { /* only indicies */ } else if (strncmp(cmd, "di", 2) == 0) { /* only indices */
tableList(settings, 0, 'i'); tableList(settings, 0, 'i');
} else if (strncmp(cmd, "ds", 2) == 0) { /* only sequences */ } else if (strncmp(cmd, "ds", 2) == 0) { /* only sequences */
tableList(settings, 0, 'S'); tableList(settings, 0, 'S');
} else if (!optarg) { /* show tables, sequences and indicies */ } else if (!optarg) { /* show tables, sequences and indices */
tableList(settings, 0, 'b'); tableList(settings, 0, 'b');
} else if (strcmp(optarg, "*") == 0) { /* show everything */ } else if (strcmp(optarg, "*") == 0) { /* show everything */
tableList(settings, 0, 'b'); tableList(settings, 0, 'b');