<?xml version="1.0" encoding="UTF-8"?>
<databaseChangeLog
    xmlns="http://www.liquibase.org/xml/ns/dbchangelog/1.9"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog/1.9
                      http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-1.9.xsd">

    <changeSet id="0001" author="e.makarova">
        <comment>email</comment>
        <sql>
		ALTER TABLE security.user_account ALTER COLUMN email DROP NOT NULL;		
        </sql>
    </changeSet>
    
</databaseChangeLog>