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

<!--
  * xml/schema/announcements.xml
  *
  * Copyright (c) 2014-2021 Simon Fraser University
  * Copyright (c) 2000-2021 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
  *
  * Announcements schema in XML.
  * XML-BASED DESCRIPTORS ARE DEPRECATED AND SHOULD NOT BE EDITED.
  -->

<schema version="0.2">
	<!--
	 *
	 * TABLE announcement_types
	 *
	 -->
	<table name="announcement_types">
		<field name="type_id" type="I8">
			<KEY />
			<AUTOINCREMENT/>
		</field>
		<field name="assoc_type" type="I2">
			<!-- NOT NULL not included for upgrade purposes -->
		</field>
		<field name="assoc_id" type="I8">
			<NOTNULL/>
		</field>
		<descr>Announcement types.</descr>
		<index name="announcement_types_assoc">
			<col>assoc_type</col>
			<col>assoc_id</col>
		</index>
	</table>

	<!--
	  *
	  * TABLE announcement_type_settings
	  *
	  -->
	<table name="announcement_type_settings">
		<field name="type_id" type="I8">
			<NOTNULL />
		</field>
		<field name="locale" type="C2" size="14">
			<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>Locale-specific announcement type data</descr>
		<index name="announcement_type_settings_type_id">
			<col>type_id</col>
		</index>
		<index name="announcement_type_settings_pkey">
			<col>type_id</col>
			<col>locale</col>
			<col>setting_name</col>
			<UNIQUE/>
		</index>
	</table>

	<!--
	  *
	  * TABLE announcements
	  *
	  -->
	<table name="announcements">
		<field name="announcement_id" type="I8">
			<KEY />
			<AUTOINCREMENT/>
		</field>
		<field name="assoc_type" type="I2">
			<!-- NOT NULL not included for upgrade purposes -->
		</field>
		<field name="assoc_id" type="I8">
			<NOTNULL/>
		</field>
		<field name="type_id" type="I8"/>
		<field name="date_expire" type="T"/>
		<field name="date_posted" type="T">
			<NOTNULL/>
		</field>
		<descr>Announcements.</descr>
		<index name="announcements_assoc">
			<col>assoc_type</col>
			<col>assoc_id</col>
		</index>
	</table>

	<!--
	  *
	  * TABLE announcement_settings
	  *
	  -->
	<table name="announcement_settings">
		<field name="announcement_id" type="I8">
			<NOTNULL />
		</field>
		<field name="locale" type="C2" size="14">
			<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>Locale-specific announcement data</descr>
		<index name="announcement_settings_announcement_id">
			<col>announcement_id</col>
		</index>
		<index name="announcement_settings_pkey">
			<col>announcement_id</col>
			<col>locale</col>
			<col>setting_name</col>
			<UNIQUE />
		</index>
	</table>
</schema>