mirror of
https://git.postgresql.org/git/postgresql.git
synced 2025-01-30 19:00:29 +08:00
Fix \? and \pset pager handling. \? wasn't honoring pager before.
This commit is contained in:
Bruce Momjian
parent
d5fa19c6ee
commit
91dfa1af97
@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.67 2002/06/20 16:00:43 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.68 2002/07/15 01:56:25 momjian Exp $
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PostgreSQL documentation
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-->
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@ -1036,7 +1036,7 @@ lo_import 152801
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<term><literal>pager</literal></term>
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<listitem>
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<para>
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Toggles the list of a pager to do table output. If the
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Toggles the use of a pager for query and psql help output. If the
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environment variable <envar>PAGER</envar> is set, the output
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is piped to the specified program. Otherwise
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<filename>more</filename> is used.
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@ -1050,7 +1050,7 @@ lo_import 152801
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of the printing routines it is not always possible to predict
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the number of lines that will actually be printed. For that
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reason <application>psql</application> might not appear very
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discriminating about when to use the pager and when not to.
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discriminating about when to use the pager.
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</para>
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</listitem>
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</varlistentry>
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@ -3,7 +3,7 @@
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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*
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* $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.72 2002/04/24 05:24:00 petere Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.73 2002/07/15 01:56:25 momjian Exp $
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*/
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#include "postgres_fe.h"
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#include "command.h"
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@ -846,7 +846,7 @@ exec_command(const char *cmd,
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/* \? -- slash command help */
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else if (strcmp(cmd, "?") == 0)
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slashUsage();
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slashUsage(pset.popt.topt.pager);
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#if 0
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@ -3,9 +3,10 @@
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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*
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* $Header: /cvsroot/pgsql/src/bin/psql/help.c,v 1.51 2002/06/20 20:29:42 momjian Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/help.c,v 1.52 2002/07/15 01:56:25 momjian Exp $
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*/
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#include "postgres_fe.h"
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#include "print.h"
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#include "help.h"
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#include <signal.h>
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@ -138,7 +139,6 @@ usage(void)
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}
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/*
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* slashUsage
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*
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@ -154,98 +154,106 @@ struct winsize
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#endif
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void
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slashUsage(void)
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slashUsage(bool pager)
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{
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bool usePipe = false;
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const char *pagerenv;
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FILE *fout;
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struct winsize screen_size;
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FILE *output, *pagerfd = NULL;
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/* check whether we need / can / are supposed to use pager */
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if (pager
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#ifndef WIN32
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&&
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isatty(fileno(stdin)) &&
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isatty(fileno(stdout))
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#endif
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)
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{
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const char *pagerprog;
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#ifdef TIOCGWINSZ
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if (pset.notty == 0 &&
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(ioctl(fileno(stdout), TIOCGWINSZ, &screen_size) == -1 ||
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screen_size.ws_col == 0 ||
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screen_size.ws_row == 0))
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{
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int result;
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struct winsize screen_size;
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result = ioctl(fileno(stdout), TIOCGWINSZ, &screen_size);
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if (result == -1 || 50 > screen_size.ws_row)
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{
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#endif
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screen_size.ws_row = 24;
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screen_size.ws_col = 80;
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pagerprog = getenv("PAGER");
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if (!pagerprog)
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pagerprog = DEFAULT_PAGER;
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pagerfd = popen(pagerprog, "w");
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#ifdef TIOCGWINSZ
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}
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#endif
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}
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#endif
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if (pset.notty == 0 &&
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(pagerenv = getenv("PAGER")) &&
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(pagerenv[0] != '\0') &&
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screen_size.ws_row <= 46 &&
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(fout = popen(pagerenv, "w")))
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if (pagerfd)
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{
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usePipe = true;
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output = pagerfd;
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#ifndef WIN32
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pqsignal(SIGPIPE, SIG_IGN);
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#endif
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}
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else
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fout = stdout;
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output = stdout;
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/* if you add/remove a line here, change the row test above */
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/* if this " is the start of the string then it ought to end there to fit in 80 columns >> " */
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fprintf(fout, _(" \\a toggle between unaligned and aligned output mode\n"));
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fprintf(fout, _(" \\c[onnect] [DBNAME|- [USER]]\n"
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fprintf(output, _(" \\a toggle between unaligned and aligned output mode\n"));
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fprintf(output, _(" \\c[onnect] [DBNAME|- [USER]]\n"
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" connect to new database (currently \"%s\")\n"),
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PQdb(pset.db));
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fprintf(fout, _(" \\C [STRING] set table title, or unset if none\n"));
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fprintf(fout, _(" \\cd [DIR] change the current working directory\n"));
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fprintf(fout, _(" \\copy ... perform SQL COPY with data stream to the client host\n"));
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fprintf(fout, _(" \\copyright show PostgreSQL usage and distribution terms\n"));
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fprintf(fout, _(" \\d [NAME] describe table (or view, index, sequence)\n"));
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fprintf(fout, _(" \\d{t|i|s|v|S} [PATTERN]\n"));
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fprintf(fout, _(" list tables/indexes/sequences/views/system tables\n"));
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fprintf(fout, _(" \\da [PATTERN] list aggregate functions\n"));
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fprintf(fout, _(" \\dd [PATTERN] show comment for object\n"));
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fprintf(fout, _(" \\dD [PATTERN] list domains\n"));
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fprintf(fout, _(" \\df [PATTERN] list functions\n"));
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fprintf(fout, _(" \\do [NAME] list operators\n"));
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fprintf(fout, _(" \\dl list large objects, same as lo_list\n"));
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fprintf(fout, _(" \\dp [PATTERN] list table access privileges\n"));
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fprintf(fout, _(" \\dT [PATTERN] list data types\n"));
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fprintf(fout, _(" \\du [PATTERN] list users\n"));
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fprintf(fout, _(" \\e [FILE] edit the query buffer (or file) with external editor\n"));
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fprintf(fout, _(" \\echo [STRING] write string to standard output\n"));
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fprintf(fout, _(" \\encoding [ENCODING] show or set client encoding\n"));
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fprintf(fout, _(" \\f [STRING] show or set field separator for unaligned query output\n"));
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fprintf(fout, _(" \\g [FILE] send query buffer to server (and results to file or |pipe)\n"));
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fprintf(fout, _(" \\h [NAME] help on syntax of SQL commands, * for all commands\n"));
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fprintf(fout, _(" \\H toggle HTML output mode (currently %s)\n"),
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fprintf(output, _(" \\C [STRING] set table title, or unset if none\n"));
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fprintf(output, _(" \\cd [DIR] change the current working directory\n"));
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fprintf(output, _(" \\copy ... perform SQL COPY with data stream to the client host\n"));
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fprintf(output, _(" \\copyright show PostgreSQL usage and distribution terms\n"));
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fprintf(output, _(" \\d [NAME] describe table (or view, index, sequence)\n"));
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fprintf(output, _(" \\d{t|i|s|v|S} [PATTERN]\n"));
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fprintf(output, _(" list tables/indexes/sequences/views/system tables\n"));
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fprintf(output, _(" \\da [PATTERN] list aggregate functions\n"));
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fprintf(output, _(" \\dd [PATTERN] show comment for object\n"));
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fprintf(output, _(" \\dD [PATTERN] list domains\n"));
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fprintf(output, _(" \\df [PATTERN] list functions\n"));
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fprintf(output, _(" \\do [NAME] list operators\n"));
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fprintf(output, _(" \\dl list large objects, same as lo_list\n"));
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fprintf(output, _(" \\dp [PATTERN] list table access privileges\n"));
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fprintf(output, _(" \\dT [PATTERN] list data types\n"));
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fprintf(output, _(" \\du [PATTERN] list users\n"));
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fprintf(output, _(" \\e [FILE] edit the query buffer (or file) with external editor\n"));
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fprintf(output, _(" \\echo [STRING] write string to standard output\n"));
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fprintf(output, _(" \\encoding [ENCODING] show or set client encoding\n"));
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fprintf(output, _(" \\f [STRING] show or set field separator for unaligned query output\n"));
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fprintf(output, _(" \\g [FILE] send query buffer to server (and results to file or |pipe)\n"));
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fprintf(output, _(" \\h [NAME] help on syntax of SQL commands, * for all commands\n"));
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fprintf(output, _(" \\H toggle HTML output mode (currently %s)\n"),
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ON(pset.popt.topt.format == PRINT_HTML));
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fprintf(fout, _(" \\i FILE execute commands from file\n"));
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fprintf(fout, _(" \\l list all databases\n"));
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fprintf(fout, _(" \\lo_export, \\lo_import, \\lo_list, \\lo_unlink\n"
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fprintf(output, _(" \\i FILE execute commands from file\n"));
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fprintf(output, _(" \\l list all databases\n"));
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fprintf(output, _(" \\lo_export, \\lo_import, \\lo_list, \\lo_unlink\n"
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" large object operations\n"));
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fprintf(fout, _(" \\o FILE send all query results to file or |pipe\n"));
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fprintf(fout, _(" \\p show the contents of the query buffer\n"));
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fprintf(fout, _(" \\pset NAME [VALUE] set table output option (NAME := {format|border|expanded|\n"
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fprintf(output, _(" \\o FILE send all query results to file or |pipe\n"));
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fprintf(output, _(" \\p show the contents of the query buffer\n"));
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fprintf(output, _(" \\pset NAME [VALUE] set table output option (NAME := {format|border|expanded|\n"
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" fieldsep|null|recordsep|tuples_only|title|tableattr|pager})\n"));
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fprintf(fout, _(" \\q quit psql\n"));
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fprintf(fout, _(" \\qecho [STRING] write string to query output stream (see \\o)\n"));
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fprintf(fout, _(" \\r reset (clear) the query buffer\n"));
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fprintf(fout, _(" \\s [FILE] display history or save it to file\n"));
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fprintf(fout, _(" \\set [NAME [VALUE]] set internal variable, or list all if no parameters\n"));
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fprintf(fout, _(" \\t show only rows (currently %s)\n"),
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fprintf(output, _(" \\q quit psql\n"));
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fprintf(output, _(" \\qecho [STRING] write string to query output stream (see \\o)\n"));
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fprintf(output, _(" \\r reset (clear) the query buffer\n"));
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fprintf(output, _(" \\s [FILE] display history or save it to file\n"));
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fprintf(output, _(" \\set [NAME [VALUE]] set internal variable, or list all if no parameters\n"));
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fprintf(output, _(" \\t show only rows (currently %s)\n"),
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ON(pset.popt.topt.tuples_only));
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fprintf(fout, _(" \\T [STRING] set HTML <table>-tag attributes, or unset if none\n"));
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fprintf(fout, _(" \\timing toggle timing of queries (currently %s)\n"),
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fprintf(output, _(" \\T [STRING] set HTML <table>-tag attributes, or unset if none\n"));
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fprintf(output, _(" \\timing toggle timing of queries (currently %s)\n"),
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ON(pset.timing));
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fprintf(fout, _(" \\unset NAME unset (delete) internal variable\n"));
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fprintf(fout, _(" \\w [FILE] write query buffer to file\n"));
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fprintf(fout, _(" \\x toggle expanded output (currently %s)\n"),
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fprintf(output, _(" \\unset NAME unset (delete) internal variable\n"));
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fprintf(output, _(" \\w [FILE] write query buffer to file\n"));
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fprintf(output, _(" \\x toggle expanded output (currently %s)\n"),
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ON(pset.popt.topt.expanded));
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fprintf(fout, _(" \\z [PATTERN] list table access privileges (same as \\dp)\n"));
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fprintf(fout, _(" \\! [COMMAND] execute command in shell or start interactive shell\n"));
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fprintf(output, _(" \\z [PATTERN] list table access privileges (same as \\dp)\n"));
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fprintf(output, _(" \\! [COMMAND] execute command in shell or start interactive shell\n"));
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if (usePipe)
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if (pagerfd)
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{
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pclose(fout);
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pclose(pagerfd);
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#ifndef WIN32
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pqsignal(SIGPIPE, SIG_DFL);
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#endif
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@ -3,14 +3,14 @@
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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*
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* $Header: /cvsroot/pgsql/src/bin/psql/help.h,v 1.8 2001/10/28 06:25:58 momjian Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/help.h,v 1.9 2002/07/15 01:56:25 momjian Exp $
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*/
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#ifndef HELP_H
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#define HELP_H
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void usage(void);
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void slashUsage(void);
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void slashUsage(bool pager);
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void helpSQL(const char *topic);
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@ -3,7 +3,7 @@
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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*
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* $Header: /cvsroot/pgsql/src/bin/psql/print.c,v 1.26 2002/04/24 15:56:38 tgl Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/print.c,v 1.27 2002/07/15 01:56:25 momjian Exp $
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*/
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#include "postgres_fe.h"
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#include "print.h"
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@ -23,12 +23,6 @@
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#include "settings.h"
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#ifndef __CYGWIN__
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#define DEFAULT_PAGER "more"
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#else
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#define DEFAULT_PAGER "less"
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#endif
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#ifdef HAVE_TERMIOS_H
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#include <termios.h>
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#endif
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@ -1033,7 +1027,7 @@ printTable(const char *title,
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{
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const char *default_footer[] = {NULL};
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unsigned short int border = opt->border;
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FILE *pager = NULL,
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FILE *pagerfd = NULL,
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*output;
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@ -1090,15 +1084,15 @@ printTable(const char *title,
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pagerprog = getenv("PAGER");
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if (!pagerprog)
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pagerprog = DEFAULT_PAGER;
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pager = popen(pagerprog, "w");
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pagerfd = popen(pagerprog, "w");
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#ifdef TIOCGWINSZ
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}
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#endif
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}
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if (pager)
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if (pagerfd)
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{
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output = pager;
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output = pagerfd;
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#ifndef WIN32
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pqsignal(SIGPIPE, SIG_IGN);
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#endif
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@ -1139,13 +1133,12 @@ printTable(const char *title,
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fprintf(stderr, "+ Oops, you shouldn't see this!\n");
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}
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if (pager)
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if (pagerfd)
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{
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pclose(pager);
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pclose(pagerfd);
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#ifndef WIN32
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pqsignal(SIGPIPE, SIG_DFL);
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#endif
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}
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}
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@ -3,7 +3,7 @@
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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*
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* $Header: /cvsroot/pgsql/src/bin/psql/print.h,v 1.12 2001/11/05 17:46:31 momjian Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/print.h,v 1.13 2002/07/15 01:56:25 momjian Exp $
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*/
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#ifndef PRINT_H
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#define PRINT_H
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@ -72,7 +72,12 @@ typedef struct _printQueryOpt
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*
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* It calls the printTable above with all the things set straight.
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*/
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void
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printQuery(const PGresult *result, const printQueryOpt *opt, FILE *fout);
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void printQuery(const PGresult *result, const printQueryOpt *opt, FILE *fout);
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#ifndef __CYGWIN__
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#define DEFAULT_PAGER "more"
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#else
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#define DEFAULT_PAGER "less"
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#endif
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#endif /* PRINT_H */
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