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psql: Add \gx command

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It can often be useful to use expanded mode output (\x) for just a
single query.  Introduce a \gx which acts exactly like \g except that it
will force expanded output mode for that one \gx call.  This is simpler
than having to use \x as a toggle and also means that the user doesn't
have to worry about the current state of the expanded variable, or
resetting it later, to ensure a given query is always returned in
expanded mode.

Primairly Christoph's patch, though I did tweak the documentation and help
text a bit, and re-indented the tab completion section.

Author: Christoph Berg
Reviewed By: Daniel Verite
Discussion: https://postgr.es/m/20170127132737.6skslelaf4txs6iw%40msg.credativ.de
This commit is contained in:
Stephen Frost
2017-03-07 09:31:52 -05:00
parent 9a83d56b38
commit b2678efd43
8 changed files with 64 additions and 7 deletions
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12
doc/src/sgml/ref/psql-ref.sgml
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@ -1890,6 +1890,18 @@ Tue Oct 26 21:40:57 CEST 1999
</varlistentry>
<varlistentry>
<term><literal>\gx [ <replaceable class="parameter">filename</replaceable> ]</literal></term>
<term><literal>\gx [ |<replaceable class="parameter">command</replaceable> ]</literal></term>
<listitem>
<para>
<literal>\gx</literal> is equivalent to <literal>\g</literal>, but
forces expanded output mode for this query. See <literal>\x</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>\gexec</literal></term>