mirror of https://github.com/postgres/postgres
Add psql \dD listing of domains, from Jonathan Eisler.
This commit is contained in:
Bruce Momjian
parent
d3788c3305
commit
a7ade2bb6b
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.63 2002/03/11 05:03:52 petere Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.64 2002/03/19 02:32:19 momjian Exp $
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PostgreSQL documentation
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-->
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@ -415,6 +415,29 @@ testdb=>
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</varlistentry>
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<varlistentry>
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<term><literal>\dD</literal> [ <replaceable class="parameter">pattern</replaceable> ]</term>
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<listitem>
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<para>
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Lists all database domains.
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</para>
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<para>
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Descriptions for objects can be generated with the <command>COMMENT ON</command>
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<acronym>SQL</acronym> command.
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</para>
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<note>
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<para>
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<productname>PostgreSQL</productname> stores the object descriptions in the
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pg_description system table.
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</para>
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</note>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>\df [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
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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 1.69 2002/03/07 17:54:39 momjian Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.70 2002/03/19 02:32:21 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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@ -380,6 +380,10 @@ exec_command(const char *cmd,
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case 'u':
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success = describeUsers(name);
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break;
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case 'D':
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success = listDomains(name);
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break;
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default:
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status = CMD_UNKNOWN;
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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/describe.c,v 1.45 2002/03/07 17:54:39 momjian Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/describe.c,v 1.46 2002/03/19 02:32:21 momjian Exp $
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*/
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#include "postgres_fe.h"
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#include "describe.h"
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@ -1036,3 +1036,51 @@ listTables(const char *infotype, const char *name, bool desc)
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PQclear(res);
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return true;
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}
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/*
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* \dD [domain]
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*
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* Describes domains, possibly based on a simplistic prefix search on the
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* argument.
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*/
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bool
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listDomains(const char *name)
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{
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char buf[512 + REGEXP_CUTOFF];
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PGresult *res;
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printQueryOpt myopt = pset.popt;
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snprintf(buf, sizeof(buf),
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"SELECT t.typname as \"%s\",\n"
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" format_type( t.typbasetype, t.typmod) as \"%s\",\n"
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" CASE WHEN t.typnotnull AND t.typdefault IS NOT NULL THEN 'not null default '||t.typdefault\n"
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" WHEN t.typnotnull AND t.typdefault IS NULL THEN 'not null'\n"
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" WHEN NOT t.typnotnull AND t.typdefault IS NOT NULL THEN 'default '||t.typdefault\n"
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" ELSE ''\n"
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" END as \"%s\"\n"
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"FROM pg_type t\n"
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"WHERE t.typtype = 'd'\n",
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_("Name"),
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_("Type"),
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_("Modifier"));
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if (name)
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{
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strcat(buf, "AND t.typname ~ '^");
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strncat(buf, name, REGEXP_CUTOFF);
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strcat(buf, "'\n");
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}
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strcat(buf, "ORDER BY 1;");
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res = PSQLexec(buf);
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if (!res)
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return false;
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myopt.nullPrint = NULL;
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myopt.title = _("List of database domains");
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printQuery(res, &myopt, pset.queryFout);
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PQclear(res);
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return true;
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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/describe.h,v 1.15 2002/03/07 17:54:41 momjian Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/describe.h,v 1.16 2002/03/19 02:32:21 momjian Exp $
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*/
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#ifndef DESCRIBE_H
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#define DESCRIBE_H
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@ -40,4 +40,7 @@ bool listAllDbs(bool desc);
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/* \dt, \di, \ds, \dS, etc. */
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bool listTables(const char *infotype, const char *name, bool desc);
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/* \dD */
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bool listDomains(const char *name);
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#endif /* DESCRIBE_H */
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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/help.c,v 1.48 2002/03/11 18:26:20 momjian Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/help.c,v 1.49 2002/03/19 02:32:21 momjian Exp $
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*/
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#include "postgres_fe.h"
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#include "help.h"
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@ -202,6 +202,7 @@ slashUsage(void)
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fprintf(fout, _(" \\d{p|S|l} list access privileges, system tables, or large objects\n"));
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fprintf(fout, _(" \\da list aggregate functions\n"));
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fprintf(fout, _(" \\dd [NAME] show comment for table, type, function, or operator\n"));
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fprintf(fout, _(" \\dD [NAME] list domains\n"));
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fprintf(fout, _(" \\df list functions\n"));
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fprintf(fout, _(" \\do list operators\n"));
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fprintf(fout, _(" \\dT list data types\n"));
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