<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE schema SYSTEM "../../../lib/pkp/dtd/xmlSchema.dtd">

<!--
  * schema.xml
  *
  * Copyright (c) 2003-2012 John Willinsky
  * Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
  *
  * Referral tracking plugin schema in XML.
  *
  * $Id$
  -->

<schema version="0.2">
	<!--
	 *
	 * TABLE referrals
	 *
	 -->
	<table name="referrals">
		<field name="referral_id" type="I8">
			<KEY/>
			<AUTOINCREMENT/>
		</field>
		<field name="article_id" type="I8">
			<NOTNULL/>
		</field>
		<field name="status" type="I2">
			<NOTNULL/>
		</field>
		<field name="url" type="C2" size="255">
			<NOTNULL/>
		</field>
		<field name="date_added" type="T">
			<NOTNULL/>
		</field>
		<field name="link_count" type="I8">
			<NOTNULL/>
		</field>
		<descr>List of referrals for articles.</descr>
		<index name="referral_article_id">
			<col>article_id</col>
			<col>url</col>
			<UNIQUE/>
		</index>
	</table>

	<!--
	  *
	  * TABLE referral_settings
	  *
	  -->
	<table name="referral_settings">
		<field name="referral_id" type="I8">
			<NOTNULL />
		</field>
		<field name="locale" type="C2" size="5">
			<NOTNULL />
			<DEFAULT VALUE=""/>
		</field>
		<field name="setting_name" type="C2" size="255">
			<NOTNULL />
		</field>
		<field name="setting_value" type="X"/>
		<field name="setting_type" type="C2" size="6">
			<NOTNULL/>
		</field>
		<descr>Referral settings</descr>
		<index name="referral_settings_referral_id">
			<col>referral_id</col>
		</index>
		<index name="referral_settings_pkey">
			<col>referral_id</col>
			<col>locale</col>
			<col>setting_name</col>
			<UNIQUE />
		</index>
	</table>
</schema>