newsupernova/vendor/magento/module-advanced-search/etc/db_schema.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:framework:Setup/Declaration/Schema/etc/schema.xsd">
    <table name="catalogsearch_recommendations" resource="default" engine="innodb"
           comment="Advanced Search Recommendations">
        <column xsi:type="int" name="id" padding="10" unsigned="true" nullable="false" identity="true" comment="Id"/>
        <column xsi:type="int" name="query_id" padding="10" unsigned="true" nullable="false" identity="false"
                default="0" comment="Query Id"/>
        <column xsi:type="int" name="relation_id" padding="10" unsigned="true" nullable="false" identity="false"
                default="0" comment="Relation Id"/>
        <constraint xsi:type="primary" referenceId="PRIMARY">
            <column name="id"/>
        </constraint>
        <constraint xsi:type="foreign" referenceId="CATALOGSEARCH_RECOMMENDATIONS_QUERY_ID_SEARCH_QUERY_QUERY_ID"
                    table="catalogsearch_recommendations" column="query_id" referenceTable="search_query"
                    referenceColumn="query_id" onDelete="CASCADE"/>
        <constraint xsi:type="foreign" referenceId="CATALOGSEARCH_RECOMMENDATIONS_RELATION_ID_SEARCH_QUERY_QUERY_ID"
                    table="catalogsearch_recommendations" column="relation_id" referenceTable="search_query"
                    referenceColumn="query_id" onDelete="CASCADE"/>
    </table>
</schema>