magento-test/app/code/Magento/Indexer/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="indexer_state" resource="default" engine="innodb" comment="Indexer State">
        <column xsi:type="int" name="state_id" unsigned="true" nullable="false" identity="true"
                comment="Indexer State ID"/>
        <column xsi:type="varchar" name="indexer_id" nullable="true" length="255" comment="Indexer ID"/>
        <column xsi:type="varchar" name="status" nullable="true" length="16" default="invalid"
                comment="Indexer Status"/>
        <column xsi:type="datetime" name="updated" on_update="false" nullable="true" comment="Indexer Status"/>
        <column xsi:type="varchar" name="hash_config" nullable="false" length="32" comment="Hash of indexer config"/>
        <constraint xsi:type="primary" referenceId="PRIMARY">
            <column name="state_id"/>
        </constraint>
        <index referenceId="INDEXER_STATE_INDEXER_ID" indexType="btree">
            <column name="indexer_id"/>
        </index>
    </table>
    <table name="mview_state" resource="default" engine="innodb" comment="View State">
        <column xsi:type="int" name="state_id" unsigned="true" nullable="false" identity="true"
                comment="View State ID"/>
        <column xsi:type="varchar" name="view_id" nullable="true" length="255" comment="View ID"/>
        <column xsi:type="varchar" name="mode" nullable="true" length="16" default="disabled" comment="View Mode"/>
        <column xsi:type="varchar" name="status" nullable="true" length="16" default="idle" comment="View Status"/>
        <column xsi:type="datetime" name="updated" on_update="false" nullable="true" comment="View updated time"/>
        <column xsi:type="int" name="version_id" unsigned="true" nullable="true" identity="false"
                comment="View Version ID"/>
        <constraint xsi:type="primary" referenceId="PRIMARY">
            <column name="state_id"/>
        </constraint>
        <index referenceId="MVIEW_STATE_VIEW_ID" indexType="btree">
            <column name="view_id"/>
        </index>
        <index referenceId="MVIEW_STATE_MODE" indexType="btree">
            <column name="mode"/>
        </index>
    </table>
</schema>