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Add psql \ev and \sv commands for editing and showing view definitions.

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These are basically just like the \ef and \sf commands for functions.

Petr Korobeinikov, reviewed by Jeevan Chalke, some changes by me
This commit is contained in:
Tom Lane
2015-07-03 15:48:18 -04:00
parent 1bc90f7a7b
commit 8eb6407aae
4 changed files with 424 additions and 100 deletions
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55
doc/src/sgml/ref/psql-ref.sgml
View File

@ -1650,6 +1650,32 @@ Tue Oct 26 21:40:57 CEST 1999
</varlistentry>
<varlistentry>
<term><literal>\ev <optional> <replaceable class="parameter">view_name</> <optional> <replaceable class="parameter">line_number</> </optional> </optional> </literal></term>
<listitem>
<para>
This command fetches and edits the definition of the named view,
in the form of a <command>CREATE OR REPLACE VIEW</> command.
Editing is done in the same way as for <literal>\edit</>.
After the editor exits, the updated command waits in the query buffer;
type semicolon or <literal>\g</> to send it, or <literal>\r</>
to cancel.
</para>
<para>
If no view is specified, a blank <command>CREATE VIEW</>
template is presented for editing.
</para>
<para>
If a line number is specified, <application>psql</application> will
position the cursor on the specified line of the view definition.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>\encoding [ <replaceable class="parameter">encoding</replaceable> ]</literal></term>
@ -2521,6 +2547,25 @@ testdb=&gt; <userinput>\setenv LESS -imx4F</userinput>
</varlistentry>
<varlistentry>
<term><literal>\sv[+] <replaceable class="parameter">view_name</> </literal></term>
<listitem>
<para>
This command fetches and shows the definition of the named view,
in the form of a <command>CREATE OR REPLACE VIEW</> command.
The definition is printed to the current query output channel,
as set by <command>\o</command>.
</para>
<para>
If <literal>+</literal> is appended to the command name, then the
output lines are numbered from 1.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>\t</literal></term>
<listitem>
@ -3554,9 +3599,10 @@ $endif
<listitem>
<para>
Editor used by the <command>\e</command> and
<command>\ef</command> commands. The variables are examined in
the order listed; the first that is set is used.
Editor used by the <command>\e</command>, <command>\ef</command>,
and <command>\ev</command> commands.
These variables are examined in the order listed;
the first that is set is used.
</para>
<para>
@ -3571,7 +3617,8 @@ $endif
<listitem>
<para>
When <command>\e</command> or <command>\ef</command> is used
When <command>\e</command>, <command>\ef</command>, or
<command>\ev</command> is used
with a line number argument, this variable specifies the
command-line argument used to pass the starting line number to
the user's editor. For editors such as <productname>Emacs</> or