nextcloud-server/apps/federatedfilesharing/appinfo/database.xml

<?xml version="1.0" encoding="ISO-8859-1" ?>

<!--
Keep a mapping of the share ID stored in the local oc_share table
and the share ID stored in the remote servers oc_share table.
This is needed in order to send updates in both directions between
the servers (e.g. permissions change, unshare,...)
-->

<database>
	<name>*dbname*</name>
	<create>true</create>
	<overwrite>false</overwrite>
	<charset>utf8</charset>
	<table>
		<name>*dbprefix*federated_reshares</name>
		<declaration>
			<field>
				<name>share_id</name>
				<type>integer</type>
				<notnull>true</notnull>
				<length>4</length>
			</field>
			<field>
				<name>remote_id</name>
				<type>integer</type>
				<notnull>true</notnull>
				<length>4</length>
				<comments>share ID at the remote server</comments>
			</field>
			<index>
				<name>share_id_index</name>
				<unique>true</unique>
				<field>
					<name>share_id</name>
					<sorting>ascending</sorting>
				</field>
			</index>
		</declaration>
	</table>
</database>