Add missing OCI8 constants

reference/oci8/constants.xml

@@ -397,7 +397,7 @@
        <row xml:id="constant.sqlt-rset">
          <entry><constant>SQLT_RSET</constant></entry>
          <entry>
-           The same as <constant>OCI_B_CURSOR</constant>.           
+           The same as <constant>OCI_B_CURSOR</constant>.
          </entry>
        </row>
        <row xml:id="constant.sqlt-str">
@@ -475,6 +475,128 @@
      </tbody>
    </tgroup>
  </table>
+ <variablelist role="constant_list">
+  <title>OCI8 Transparent Application Failover (TAF) Constants</title>
+  <varlistentry xml:id="constant.oci-fo-abort">
+   <term>
+    <constant>OCI_FO_ABORT</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     Failover was unsuccessful and there is no option of retrying.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-begin">
+   <term>
+    <constant>OCI_FO_BEGIN</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     Failover has detected a lost connection and failover is starting.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-end">
+   <term>
+    <constant>OCI_FO_END</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     Failover completed successfully.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-error">
+   <term>
+    <constant>OCI_FO_ERROR</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     Failover was unsuccessful but it gives the application the opportunity
+     to handle the error and return <constant>OCI_FO_RETRY</constant> to retry failover.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-none">
+   <term>
+    <constant>OCI_FO_NONE</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     The user has not requested a failover type.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-reauth">
+   <term>
+    <constant>OCI_FO_REAUTH</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     An Oracle user has been re-authenticated.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-retry">
+   <term>
+    <constant>OCI_FO_RETRY</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     The failover should be attempted again by Oracle.
+     In case of an error while failing over to a new
+     connection, TAF is able to retry the failover.
+     Typically, the application code should sleep for
+     a while before returning <constant>OCI_FO_RETRY</constant>.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-select">
+   <term>
+    <constant>OCI_FO_SELECT</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     The user has requested SELECT failover as well.
+     It allows users with open cursors to continue fetching from them after failure.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-session">
+   <term>
+    <constant>OCI_FO_SESSION</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     The user has requested only session failover.
+     For example, if a user's connection is lost,
+     then a new session is automatically created for the user on the backup.
+     This type of failover does not attempt to recover SELECTs.
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.oci-fo-txnal">
+   <term>
+    <constant>OCI_FO_TXNAL</constant>
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     The user has requested a transaction failover.
+    </simpara>
+   </listitem>
+  </varlistentry>
+ </variablelist>
 </appendix>
 
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