Attached patch applied, including documentation updates; I think this
is the best we are going to do to balance usability and consistency. I
have removed this as an open 8.4 item.
With this change \dfS and \df * do the same thing; I assume we don't
want to remove the 'S' modifier and tell people to just use '*', or
support '*' as the modifier instead of 'S', e.g. \df*.
---------------------------------------------------------------------------
Bruce Momjian wrote:
> Robert Treat wrote:
> > Actually I find the inconsistency to hurt usability, which is typically
> > what
> > you get with inconsistent interfaces.
> >
> > I'm not certain, but I think I would be happier if we did:
> >
> > \d* user space objects
> > \d*S include system objects
> >
> > For those that want system only, do
> > \d*S pg_catalog.
> > ( if you want to argue temp/toast, adjust the search accordingly)
> >
> > I think the trick to getting this working is to enforce this with search
> > patterns *and* tab completion as well. Yes, this means that Tom's desire
> > for
>
> I talked to Robert on IM and found two new reasons to make 'S' assumed
> if a pattern is supplied. The first is the use of tab completion:
>
> test=> \df si<tab><tab>
> sign similar_escape sin
> test=> \df sin
> List of functions
> Schema | Name | Result data type | Argument data types
> --------+------+------------------+---------------------
> (0 rows)
>
> As you can see tab-tab assumes system tables are visible, but current CVS
> does not without 'S'. The second case is:
>
> test=> \df pg_catalog.sin
> List of functions
> Schema | Name | Result data type | Argument data types
> --------+------+------------------+---------------------
> (0 rows)
>
> Only \dfS works in this case.
>
> I think we should move forward and assume 'S' for \d* patterns; it is
> inconsistent, but usability requires it.
>
> Objections?
>
> --
> Bruce Momjian <br...@momjian.us> http://momjian.us
> EnterpriseDB http://enterprisedb.com
>
> + If your life is a hard drive, Christ can be your backup. +
>
> --
> Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-hackers
--
Bruce Momjian <br...@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
Index: doc/src/sgml/ref/psql-ref.sgml
===================================================================
RCS file: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v
retrieving revision 1.220
diff -c -c -r1.220 psql-ref.sgml
*** doc/src/sgml/ref/psql-ref.sgml 26 Feb 2009 16:02:37 -0000 1.220
--- doc/src/sgml/ref/psql-ref.sgml 2 Apr 2009 15:03:01 -0000
***************
*** 853,861 ****
more information is displayed: any comments associated with the
columns of the table are shown, as is the presence of OIDs in the
table.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
</para>
<note>
--- 853,861 ----
more information is displayed: any comments associated with the
columns of the table are shown, as is the presence of OIDs in the
table.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
</para>
<note>
***************
*** 879,887 ****
return type and the data types they operate on. If <replaceable
class="parameter">pattern</replaceable>
is specified, only aggregates whose names match the pattern are shown.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
</para>
</listitem>
</varlistentry>
--- 879,887 ----
return type and the data types they operate on. If <replaceable
class="parameter">pattern</replaceable>
is specified, only aggregates whose names match the pattern are shown.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
</para>
</listitem>
</varlistentry>
***************
*** 910,918 ****
If <replaceable class="parameter">pattern</replaceable>
is specified, only conversions whose names match the pattern are
listed.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
</para>
</listitem>
</varlistentry>
--- 910,918 ----
If <replaceable class="parameter">pattern</replaceable>
is specified, only conversions whose names match the pattern are
listed.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
</para>
</listitem>
</varlistentry>
***************
*** 939,947 ****
class="parameter">pattern</replaceable>, or of all visible objects if
no argument is given. But in either case, only objects that have
a description are listed.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
(<quote>Object</quote> covers aggregates, functions, operators,
types, relations (tables, views, indexes, sequences, large
objects), rules, and triggers.) For example:
--- 939,947 ----
class="parameter">pattern</replaceable>, or of all visible objects if
no argument is given. But in either case, only objects that have
a description are listed.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
(<quote>Object</quote> covers aggregates, functions, operators,
types, relations (tables, views, indexes, sequences, large
objects), rules, and triggers.) For example:
***************
*** 971,979 ****
Lists all available domains. If <replaceable
class="parameter">pattern</replaceable>
is specified, only matching domains are shown.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
</para>
</listitem>
</varlistentry>
--- 971,979 ----
Lists all available domains. If <replaceable
class="parameter">pattern</replaceable>
is specified, only matching domains are shown.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
</para>
</listitem>
</varlistentry>
***************
*** 1045,1053 ****
is specified, only functions whose names match the pattern are shown.
If the form <literal>\df+</literal> is used, additional information about
each function, including volatility, language, source code and description, is shown.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
</para>
<note>
--- 1045,1053 ----
is specified, only functions whose names match the pattern are shown.
If the form <literal>\df+</literal> is used, additional information about
each function, including volatility, language, source code and description, is shown.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
</para>
<note>
***************
*** 1155,1163 ****
and tables. If <literal>+</literal> is
appended to the command name, each object is listed with its
physical size on disk and its associated description, if any.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
</para>
<para>
--- 1155,1163 ----
and tables. If <literal>+</literal> is
appended to the command name, each object is listed with its
physical size on disk and its associated description, if any.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
</para>
<para>
***************
*** 1202,1210 ****
Lists available operators with their operand and return types.
If <replaceable class="parameter">pattern</replaceable> is
specified, only operators whose names match the pattern are listed.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
</para>
</listitem>
</varlistentry>
--- 1202,1210 ----
Lists available operators with their operand and return types.
If <replaceable class="parameter">pattern</replaceable> is
specified, only operators whose names match the pattern are listed.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
</para>
</listitem>
</varlistentry>
***************
*** 1237,1245 ****
class="parameter">pattern</replaceable>. The command form
<literal>\dT+</literal> shows extra information, namely the type's internal name, size, and
allowed values for <type>enum</> types.
! The letter <literal>S</literal> adds the listing of system
! objects; without <literal>S</literal>, only non-system
! objects are shown.
</para>
</listitem>
</varlistentry>
--- 1237,1245 ----
class="parameter">pattern</replaceable>. The command form
<literal>\dT+</literal> shows extra information, namely the type's internal name, size, and
allowed values for <type>enum</> types.
! By default, only user-created objects are shown; supply a
! pattern or the <literal>S</literal> modifier to include system
! objects.
</para>
</listitem>
</varlistentry>
Index: src/bin/psql/describe.c
===================================================================
RCS file: /cvsroot/pgsql/src/bin/psql/describe.c,v
retrieving revision 1.203
diff -c -c -r1.203 describe.c
*** src/bin/psql/describe.c 26 Mar 2009 22:26:07 -0000 1.203
--- src/bin/psql/describe.c 2 Apr 2009 15:03:03 -0000
***************
*** 94,100 ****
"WHERE p.proisagg\n",
gettext_noop("Description"));
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
--- 94,100 ----
"WHERE p.proisagg\n",
gettext_noop("Description"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
***************
*** 281,287 ****
" AND p.proargtypes[0] IS DISTINCT FROM 'pg_catalog.cstring'::pg_catalog.regtype\n"
" AND NOT p.proisagg\n");
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
--- 281,287 ----
" AND p.proargtypes[0] IS DISTINCT FROM 'pg_catalog.cstring'::pg_catalog.regtype\n"
" AND NOT p.proisagg\n");
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
***************
*** 372,378 ****
else
appendPQExpBuffer(&buf, " AND t.typname !~ '^_'\n");
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
/* Match name pattern against either internal or external name */
--- 372,378 ----
else
appendPQExpBuffer(&buf, " AND t.typname !~ '^_'\n");
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
/* Match name pattern against either internal or external name */
***************
*** 427,436 ****
gettext_noop("Result type"),
gettext_noop("Description"));
! if (!showSystem)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem, true,
"n.nspname", "o.oprname", NULL,
"pg_catalog.pg_operator_is_visible(o.oid)");
--- 427,436 ----
gettext_noop("Result type"),
gettext_noop("Description"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, true,
"n.nspname", "o.oprname", NULL,
"pg_catalog.pg_operator_is_visible(o.oid)");
***************
*** 631,637 ****
" WHERE p.proisagg\n",
gettext_noop("aggregate"));
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
--- 631,637 ----
" WHERE p.proisagg\n",
gettext_noop("aggregate"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
***************
*** 654,660 ****
" AND NOT p.proisagg\n",
gettext_noop("function"));
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
--- 654,660 ----
" AND NOT p.proisagg\n",
gettext_noop("function"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
***************
*** 672,681 ****
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = o.oprnamespace\n",
gettext_noop("operator"));
! if (!showSystem)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem, false,
"n.nspname", "o.oprname", NULL,
"pg_catalog.pg_operator_is_visible(o.oid)");
--- 672,681 ----
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = o.oprnamespace\n",
gettext_noop("operator"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, false,
"n.nspname", "o.oprname", NULL,
"pg_catalog.pg_operator_is_visible(o.oid)");
***************
*** 690,699 ****
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = t.typnamespace\n",
gettext_noop("data type"));
! if (!showSystem)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem, false,
"n.nspname", "pg_catalog.format_type(t.oid, NULL)",
NULL,
"pg_catalog.pg_type_is_visible(t.oid)");
--- 690,699 ----
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = t.typnamespace\n",
gettext_noop("data type"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, false,
"n.nspname", "pg_catalog.format_type(t.oid, NULL)",
NULL,
"pg_catalog.pg_type_is_visible(t.oid)");
***************
*** 714,720 ****
gettext_noop("view"),
gettext_noop("index"),
gettext_noop("sequence"));
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
--- 714,720 ----
gettext_noop("view"),
gettext_noop("index"),
gettext_noop("sequence"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
***************
*** 734,740 ****
" WHERE r.rulename != '_RETURN'\n",
gettext_noop("rule"));
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
/* XXX not sure what to do about visibility rule here? */
--- 734,740 ----
" WHERE r.rulename != '_RETURN'\n",
gettext_noop("rule"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
/* XXX not sure what to do about visibility rule here? */
***************
*** 753,763 ****
" JOIN pg_catalog.pg_class c ON c.oid = t.tgrelid\n"
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace\n",
gettext_noop("trigger"));
! if (!showSystem)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
/* XXX not sure what to do about visibility rule here? */
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem, false,
"n.nspname", "t.tgname", NULL,
"pg_catalog.pg_table_is_visible(c.oid)");
--- 753,763 ----
" JOIN pg_catalog.pg_class c ON c.oid = t.tgrelid\n"
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace\n",
gettext_noop("trigger"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
/* XXX not sure what to do about visibility rule here? */
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, false,
"n.nspname", "t.tgname", NULL,
"pg_catalog.pg_table_is_visible(c.oid)");
***************
*** 808,817 ****
"FROM pg_catalog.pg_class c\n"
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace\n");
! if (!showSystem)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem, false,
"n.nspname", "c.relname", NULL,
"pg_catalog.pg_table_is_visible(c.oid)");
--- 808,817 ----
"FROM pg_catalog.pg_class c\n"
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace\n");
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " WHERE n.nspname <> 'pg_catalog'\n");
! processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, false,
"n.nspname", "c.relname", NULL,
"pg_catalog.pg_table_is_visible(c.oid)");
***************
*** 2008,2019 ****
appendPQExpBuffer(&buf, "'i',");
if (showSeq)
appendPQExpBuffer(&buf, "'S',");
! if (showSystem)
appendPQExpBuffer(&buf, "'s',"); /* was RELKIND_SPECIAL in <= 8.1 */
appendPQExpBuffer(&buf, "''"); /* dummy */
appendPQExpBuffer(&buf, ")\n");
! if (!showSystem)
/* Exclude system and pg_toast objects, but show temp tables */
appendPQExpBuffer(&buf,
" AND n.nspname <> 'pg_catalog'\n"
--- 2008,2019 ----
appendPQExpBuffer(&buf, "'i',");
if (showSeq)
appendPQExpBuffer(&buf, "'S',");
! if (showSystem || pattern)
appendPQExpBuffer(&buf, "'s',"); /* was RELKIND_SPECIAL in <= 8.1 */
appendPQExpBuffer(&buf, "''"); /* dummy */
appendPQExpBuffer(&buf, ")\n");
! if (!showSystem && !pattern)
/* Exclude system and pg_toast objects, but show temp tables */
appendPQExpBuffer(&buf,
" AND n.nspname <> 'pg_catalog'\n"
***************
*** 2087,2093 ****
gettext_noop("Modifier"),
gettext_noop("Check"));
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
--- 2087,2093 ----
gettext_noop("Modifier"),
gettext_noop("Check"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
***************
*** 2142,2148 ****
gettext_noop("yes"), gettext_noop("no"),
gettext_noop("Default?"));
! if (!showSystem)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
--- 2142,2148 ----
gettext_noop("yes"), gettext_noop("no"),
gettext_noop("Default?"));
! if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n");
processSQLNamePattern(pset.db, &buf, pattern, true, false,
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