</varlistentry>
<varlistentry>
- <term><literal>\cd [ <replaceable>directory</replaceable> ]</literal></term>
- <listitem>
- <para>
- Changes the current working directory to
- <replaceable>directory</replaceable>. Without argument, changes
- to the current user's home directory.
- </para>
-
- <tip>
- <para>
- To print your current working directory, use <literal>\! pwd</literal>.
- </para>
- </tip>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><literal>\C [ <replaceable class="parameter">title</replaceable> ]</literal></term>
- <listitem>
- <para>
- Sets the title of any tables being printed as the result of a
- query or unset any such title. This command is equivalent to
- <literal>\pset title <replaceable
- class="parameter">title</replaceable></literal>. (The name of
- this command derives from <quote>caption</quote>, as it was
- previously only used to set the caption in an
- <acronym>HTML</acronym> table.)
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><literal>\connect</literal> (or <literal>\c</literal>) <literal>[ <replaceable class="parameter">dbname</replaceable> [ <replaceable class="parameter">username</replaceable> ] [ <replaceable class="parameter">host</replaceable> ] [ <replaceable class="parameter">port</replaceable> ] ]</literal></term>
+ <term><literal>\c</literal> or <literal>\connect</literal> <literal>[ <replaceable class="parameter">dbname</replaceable> [ <replaceable class="parameter">username</replaceable> ] [ <replaceable class="parameter">host</replaceable> ] [ <replaceable class="parameter">port</replaceable> ] ]</literal></term>
<listitem>
<para>
Establishes a new connection to a <productname>PostgreSQL</>
</varlistentry>
<varlistentry>
+ <term><literal>\C [ <replaceable class="parameter">title</replaceable> ]</literal></term>
+ <listitem>
+ <para>
+ Sets the title of any tables being printed as the result of a
+ query or unset any such title. This command is equivalent to
+ <literal>\pset title <replaceable
+ class="parameter">title</replaceable></literal>. (The name of
+ this command derives from <quote>caption</quote>, as it was
+ previously only used to set the caption in an
+ <acronym>HTML</acronym> table.)
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>\cd [ <replaceable>directory</replaceable> ]</literal></term>
+ <listitem>
+ <para>
+ Changes the current working directory to
+ <replaceable>directory</replaceable>. Without argument, changes
+ to the current user's home directory.
+ </para>
+
+ <tip>
+ <para>
+ To print your current working directory, use <literal>\! pwd</literal>.
+ </para>
+ </tip>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><literal>\conninfo</literal></term>
<listitem>
<para>
<varlistentry>
- <term><literal>\det[+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
+ <term><literal>\dE[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
+ <term><literal>\di[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
+ <term><literal>\ds[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
+ <term><literal>\dt[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
+ <term><literal>\dv[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
+
<listitem>
<para>
- Lists foreign tables (mnemonic: <quote>external tables</quote>).
+ In this group of commands, the letters <literal>E</literal>,
+ <literal>i</literal>, <literal>s</literal>,
+ <literal>t</literal>, and <literal>v</literal>
+ stand for foreign table, index, sequence, table, and view,
+ respectively.
+ You can specify any or all of
+ these letters, in any order, to obtain a listing of objects
+ of these types. For example, <literal>\dit</> lists indexes
+ 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.
If <replaceable class="parameter">pattern</replaceable> is
- specified, only entries whose table name or schema name matches
- the pattern are listed. If the form <literal>\det+</literal>
- is used, generic options are also displayed.
+ specified, only objects 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>
<varlistentry>
+ <term><literal>\det[+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
+ <listitem>
+ <para>
+ Lists foreign tables (mnemonic: <quote>external tables</quote>).
+ If <replaceable class="parameter">pattern</replaceable> is
+ specified, only entries whose table name or schema name matches
+ the pattern are listed. If the form <literal>\det+</literal>
+ is used, generic options are also displayed.
+ </para>
+ </listitem>
+ </varlistentry>
+
+
+ <varlistentry>
<term><literal>\deu[+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
<listitem>
<para>
<varlistentry>
- <term><literal>\di[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
- <term><literal>\ds[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
- <term><literal>\dt[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
- <term><literal>\dv[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
- <term><literal>\dE[S+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
-
- <listitem>
- <para>
- In this group of commands, the letters
- <literal>i</literal>, <literal>s</literal>,
- <literal>t</literal>, <literal>v</literal>, and <literal>E</literal>
- stand for index, sequence, table, view, and foreign table,
- respectively.
- You can specify any or all of
- these letters, in any order, to obtain a listing of objects
- of these types. For example, <literal>\dit</> lists indexes
- 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.
- If <replaceable class="parameter">pattern</replaceable> is
- specified, only objects 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>
-
-
- <varlistentry>
<term><literal>\dl</literal></term>
<listitem>
<para>
</varlistentry>
<varlistentry>
- <term><literal>\edit</> (or <literal>\e</>) <literal> <optional> <replaceable class="parameter">filename</> </optional> <optional> <replaceable class="parameter">line_number</> </optional> </literal></term>
+ <term><literal>\e</literal> or <literal>\edit</> <literal> <optional> <replaceable class="parameter">filename</> </optional> <optional> <replaceable class="parameter">line_number</> </optional> </literal></term>
<listitem>
<para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><literal>\echo <replaceable class="parameter">text</replaceable> [ ... ]</literal></term>
+ <listitem>
+ <para>
+ Prints the arguments to the standard output, separated by one
+ space and followed by a newline. This can be useful to
+ intersperse information in the output of scripts. For example:
+<programlisting>
+=> <userinput>\echo `date`</userinput>
+Tue Oct 26 21:40:57 CEST 1999
+</programlisting>
+ If the first argument is an unquoted <literal>-n</literal> the trailing
+ newline is not written.
+ </para>
+
+ <tip>
+ <para>
+ If you use the <command>\o</command> command to redirect your
+ query output you might wish to use <command>\qecho</command>
+ instead of this command.
+ </para>
+ </tip>
+ </listitem>
+ </varlistentry>
<varlistentry>
<term><literal>\ef <optional> <replaceable class="parameter">function_description</> <optional> <replaceable class="parameter">line_number</> </optional> </optional> </literal></term>
<varlistentry>
- <term><literal>\echo <replaceable class="parameter">text</replaceable> [ ... ]</literal></term>
- <listitem>
- <para>
- Prints the arguments to the standard output, separated by one
- space and followed by a newline. This can be useful to
- intersperse information in the output of scripts. For example:
-<programlisting>
-=> <userinput>\echo `date`</userinput>
-Tue Oct 26 21:40:57 CEST 1999
-</programlisting>
- If the first argument is an unquoted <literal>-n</literal> the trailing
- newline is not written.
- </para>
-
- <tip>
- <para>
- If you use the <command>\o</command> command to redirect your
- query output you might wish to use <command>\qecho</command>
- instead of this command.
- </para>
- </tip>
- </listitem>
- </varlistentry>
-
-
- <varlistentry>
<term><literal>\encoding [ <replaceable class="parameter">encoding</replaceable> ]</literal></term>
<listitem>
</varlistentry>
<varlistentry>
- <term><literal>\help</literal> (or <literal>\h</literal>) <literal>[ <replaceable class="parameter">command</replaceable> ]</literal></term>
+ <term><literal>\h</literal> or <literal>\help</literal> <literal>[ <replaceable class="parameter">command</replaceable> ]</literal></term>
<listitem>
<para>
Gives syntax help on the specified <acronym>SQL</acronym>
Adjustable printing options are:
<variablelist>
<varlistentry>
+ <term><literal>border</literal></term>
+ <listitem>
+ <para>
+ The <replaceable class="parameter">value</replaceable> must be a
+ number. In general, the higher
+ the number the more borders and lines the tables will have,
+ but this depends on the particular format. In
+ <acronym>HTML</acronym> format, this will translate directly
+ into the <literal>border=...</literal> attribute; in the
+ other formats only values 0 (no border), 1 (internal dividing lines),
+ and 2 (table frame) make sense.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>columns</literal></term>
+ <listitem>
+ <para>
+ Sets the target width for the <literal>wrapped</> format, and also
+ the width limit for determining whether output is wide enough to
+ require the pager.
+ Zero (the default) causes the target width to be controlled by the
+ environment variable <envar>COLUMNS</>, or the detected screen width
+ if <envar>COLUMNS</> is not set.
+ In addition, if <literal>columns</> is zero then the
+ <literal>wrapped</> format only affects screen output.
+ If <literal>columns</> is nonzero then file and pipe output is
+ wrapped to that width as well.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>expanded</literal> (or <literal>x</literal>)</term>
+ <listitem>
+ <para>
+ If <replaceable class="parameter">value</replaceable> is specified
+ it must be either <literal>on</literal> or <literal>off</literal>
+ which will enable or disable expanded mode. If <replaceable
+ class="parameter">value</replaceable> is omitted the command toggles
+ between regular and expanded mode.
+ When expanded mode is enabled, query results
+ are displayed in two columns, with the column name on the left and
+ the data on the right. This mode is useful if the data wouldn't fit
+ on the screen in the normal <quote>horizontal</quote> mode.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>fieldsep</literal></term>
+ <listitem>
+ <para>
+ Specifies the field separator to be used in unaligned output
+ format. That way one can create, for example, tab- or
+ comma-separated output, which other programs might prefer. To
+ set a tab as field separator, type <literal>\pset fieldsep
+ '\t'</literal>. The default field separator is
+ <literal>'|'</literal> (a vertical bar).
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>footer</literal></term>
+ <listitem>
+ <para>
+ If <replaceable class="parameter">value</replaceable> is specified
+ it must be either <literal>on</literal> or <literal>off</literal>
+ which will enable or disable display of the table footer
+ (the <literal>(<replaceable>n</> rows)</literal> count).
+ If <replaceable class="parameter">value</replaceable> is omitted the
+ command toggles footer display on or off.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><literal>format</literal></term>
<listitem>
<para>
</varlistentry>
<varlistentry>
- <term><literal>columns</literal></term>
- <listitem>
- <para>
- Sets the target width for the <literal>wrapped</> format, and also
- the width limit for determining whether output is wide enough to
- require the pager.
- Zero (the default) causes the target width to be controlled by the
- environment variable <envar>COLUMNS</>, or the detected screen width
- if <envar>COLUMNS</> is not set.
- In addition, if <literal>columns</> is zero then the
- <literal>wrapped</> format only affects screen output.
- If <literal>columns</> is nonzero then file and pipe output is
- wrapped to that width as well.
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><literal>border</literal></term>
- <listitem>
- <para>
- The <replaceable class="parameter">value</replaceable> must be a
- number. In general, the higher
- the number the more borders and lines the tables will have,
- but this depends on the particular format. In
- <acronym>HTML</acronym> format, this will translate directly
- into the <literal>border=...</literal> attribute; in the
- other formats only values 0 (no border), 1 (internal dividing lines),
- and 2 (table frame) make sense.
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
<term><literal>linestyle</literal></term>
<listitem>
<para>
</varlistentry>
<varlistentry>
- <term><literal>expanded</literal> (or <literal>x</literal>)</term>
- <listitem>
- <para>
- If <replaceable class="parameter">value</replaceable> is specified
- it must be either <literal>on</literal> or <literal>off</literal>
- which will enable or disable expanded mode. If <replaceable
- class="parameter">value</replaceable> is omitted the command toggles
- between regular and expanded mode.
- When expanded mode is enabled, query results
- are displayed in two columns, with the column name on the left and
- the data on the right. This mode is useful if the data wouldn't fit
- on the screen in the normal <quote>horizontal</quote> mode.
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
<term><literal>null</literal></term>
<listitem>
<para>
</varlistentry>
<varlistentry>
- <term><literal>fieldsep</literal></term>
- <listitem>
- <para>
- Specifies the field separator to be used in unaligned output
- format. That way one can create, for example, tab- or
- comma-separated output, which other programs might prefer. To
- set a tab as field separator, type <literal>\pset fieldsep
- '\t'</literal>. The default field separator is
- <literal>'|'</literal> (a vertical bar).
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><literal>footer</literal></term>
- <listitem>
- <para>
- If <replaceable class="parameter">value</replaceable> is specified
- it must be either <literal>on</literal> or <literal>off</literal>
- which will enable or disable display of the table footer
- (the <literal>(<replaceable>n</> rows)</literal> count).
- If <replaceable class="parameter">value</replaceable> is omitted the
- command toggles footer display on or off.
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
<term><literal>numericlocale</literal></term>
<listitem>
<para>
</varlistentry>
<varlistentry>
- <term><literal>recordsep</literal></term>
+ <term><literal>pager</literal></term>
<listitem>
<para>
- Specifies the record (line) separator to use in unaligned
- output format. The default is a newline character.
+ Controls use of a pager program for query and <application>psql</>
+ help output. If the environment variable <envar>PAGER</envar>
+ is set, the output is piped to the specified program.
+ Otherwise a platform-dependent default (such as
+ <filename>more</filename>) is used.
</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><literal>tuples_only</literal> (or <literal>t</literal>)</term>
- <listitem>
<para>
- If <replaceable class="parameter">value</replaceable> is specified
- it must be either <literal>on</literal> or <literal>off</literal>
- which will enable or disable tuples-only mode.
- If <replaceable class="parameter">value</replaceable> is omitted the
- command toggles between regular and tuples-only output.
- Regular output includes extra information such
- as column headers, titles, and various footers. In tuples-only
- mode, only actual table data is shown.
+ When the <literal>pager</> option is <literal>off</>, the pager
+ program is not used. When the <literal>pager</> option is
+ <literal>on</>, the pager is used when appropriate, i.e., when the
+ output is to a terminal and will not fit on the screen.
+ The <literal>pager</> option can also be set to <literal>always</>,
+ which causes the pager to be used for all terminal output regardless
+ of whether it fits on the screen. <literal>\pset pager</>
+ without a <replaceable class="parameter">value</replaceable>
+ toggles pager use on and off.
</para>
</listitem>
</varlistentry>
<varlistentry>
- <term><literal>title</literal></term>
+ <term><literal>recordsep</literal></term>
<listitem>
<para>
- Sets the table title for any subsequently printed tables. This
- can be used to give your output descriptive tags. If no
- <replaceable class="parameter">value</replaceable> is given,
- the title is unset.
+ Specifies the record (line) separator to use in unaligned
+ output format. The default is a newline character.
</para>
</listitem>
</varlistentry>
</varlistentry>
<varlistentry>
- <term><literal>pager</literal></term>
+ <term><literal>title</literal></term>
<listitem>
<para>
- Controls use of a pager program for query and <application>psql</>
- help output. If the environment variable <envar>PAGER</envar>
- is set, the output is piped to the specified program.
- Otherwise a platform-dependent default (such as
- <filename>more</filename>) is used.
+ Sets the table title for any subsequently printed tables. This
+ can be used to give your output descriptive tags. If no
+ <replaceable class="parameter">value</replaceable> is given,
+ the title is unset.
</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>tuples_only</literal> (or <literal>t</literal>)</term>
+ <listitem>
<para>
- When the <literal>pager</> option is <literal>off</>, the pager
- program is not used. When the <literal>pager</> option is
- <literal>on</>, the pager is used when appropriate, i.e., when the
- output is to a terminal and will not fit on the screen.
- The <literal>pager</> option can also be set to <literal>always</>,
- which causes the pager to be used for all terminal output regardless
- of whether it fits on the screen. <literal>\pset pager</>
- without a <replaceable class="parameter">value</replaceable>
- toggles pager use on and off.
+ If <replaceable class="parameter">value</replaceable> is specified
+ it must be either <literal>on</literal> or <literal>off</literal>
+ which will enable or disable tuples-only mode.
+ If <replaceable class="parameter">value</replaceable> is omitted the
+ command toggles between regular and tuples-only output.
+ Regular output includes extra information such
+ as column headers, titles, and various footers. In tuples-only
+ mode, only actual table data is shown.
</para>
</listitem>
</varlistentry>
OSDN Git Service
