From 71ac48fd9cebd3d2a873635a04df64096c981f73 Mon Sep 17 00:00:00 2001
From: Michael Meskes <meskes@postgresql.org>
Date: Thu, 24 Mar 2011 22:18:11 +0100
Subject: [PATCH] Documented some ecpg command line options that were missing:
-r no_indicator
-r prepare
-r questionsmarks
---
doc/src/sgml/ref/ecpg-ref.sgml | 32 +++++++++++++++++++++++++++++---
1 file changed, 29 insertions(+), 3 deletions(-)
diff --git a/doc/src/sgml/ref/ecpg-ref.sgml b/doc/src/sgml/ref/ecpg-ref.sgml
index 2a783ea477..eca78e1461 100644
--- a/doc/src/sgml/ref/ecpg-ref.sgml
+++ b/doc/src/sgml/ref/ecpg-ref.sgml
@@ -135,9 +135,35 @@ PostgreSQL documentation
<term><option>-r <replaceable>option</replaceable></option></term>
<listitem>
<para>
- Selects a run-time behavior. Currently,
- <replaceable>option</replaceable> can only be
- <literal>no_indicator</literal>.
+ Selects run-time behavior. <replaceable>Option</replaceable> can be
+ one of the following:
+ <variablelist>
+ <varlistentry>
+ <term><option>no_indicator</option></term>
+ <listitem>
+ <para>
+ Do not use indicators but instead use special values to represent
+ NULLs. Historically there have been databases using this approach.
+ </para>
+ </varlistentry>
+ <varlistentry>
+ <term><option>prepare</option></term>
+ <listitem>
+ <para>
+ Prepare all statements before using them. Libecpg will keep a cache of
+ prepared statments and reuse a statement if it gets executed again. If the
+ cache runs full, libecpg will free the least used statement.
+ </para>
+ </varlistentry>
+ <varlistentry>
+ <term><option>questionmarks</option></term>
+ <listitem>
+ <para>
+ Allow questionmark as placeholder for compatibility reasons.
+ This used to be the default long ago.
+ </para>
+ </varlistentry>
+ </variablelist>
</para>
</listitem>
</varlistentry>