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Add detection of psql pager to trigger on wide output. Also add pager

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detection for wrapped lines or lines with newlines that need pager to
display.
This commit is contained in:
Bruce Momjian
2008-05-16 16:59:05 +00:00
parent e6dbcb72fa
commit 43ee22826b
2 changed files with 130 additions and 59 deletions
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17
doc/src/sgml/ref/psql-ref.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.204 2008/05/14 04:07:01 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.205 2008/05/16 16:59:05 momjian Exp $
PostgreSQL documentation
-->
@ -1555,7 +1555,8 @@ lo_import 152801
<term><literal>columns</literal></term>
<listitem>
<para>
Controls the target width for the <literal>wrapped</> format.
Controls the target width for the <literal>wrapped</> format,
and width for determining if wide output requires the pager.
Zero (the default) causes the <literal>wrapped</> format to
affect only screen output.
</para>
@ -1717,10 +1718,9 @@ lo_import 152801
When the pager is <literal>off</>, the pager is not used. When the pager
is <literal>on</>, the pager is used only when appropriate, i.e. the
output is to a terminal and will not fit on the screen.
(<application>psql</> does not do a perfect job of estimating
when to use the pager.) <literal>\pset pager</> turns the
pager on and off. Pager can also be set to <literal>always</>,
which causes the pager to be always used.
<literal>\pset pager</> turns the pager on and off. Pager can
also be set to <literal>always</>, which causes the pager to be
always used.
</para>
</listitem>
</varlistentry>
@ -2734,8 +2734,9 @@ $endif
<listitem>
<para>
Used for the <literal>wrapped</> output format if
<literal>\pset columns</> is zero.
If <literal>\pset columns</> is zero, controls the
width for the <literal>wrapped</> format and width for determining
if wide output requires the pager.
</para>
</listitem>
</varlistentry>