<?xml version="1.0" encoding="UTF-8"?>
<hibernate-mapping default-cascade="none">
    <class name="ADO.Model.Sequence_Ref" table="sequence" dynamic-insert="true" dynamic-update="true">
        <comment>Sequence generator</comment>
        <id name="name" type="String" unsaved-value="0">
            <comment>the sequence name</comment>
            <column name="NAME" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
            <generator class="none"/>
        </id>
        <version name="object_version" type="int" column="objectVersion"/>
        <property name="value" type="Identifier">
            <comment>the sequence value</comment>
            <column name="VALUE" not-null="false" unique="false" sql-type="BIGINT"/>
        </property>
        <property name="block_size" type="Identifier">
            <comment>the sequence block size</comment>
            <column name="BLOCK_SIZE" not-null="false" unique="false" sql-type="BIGINT"/>
        </property>
    </class>

</hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?>
<hibernate-mapping default-cascade="none">
    <class name="ADO.Model.Sequence_Ref" table="sequence" dynamic-insert="true" dynamic-update="true">
        <comment>Sequence generator</comment>
        <id name="name" type="String" unsaved-value="0">
            <comment>the sequence name</comment>
            <column name="NAME" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
            <generator class="none"/>
        </id>
        <version name="object_version" type="int" column="objectVersion"/>
        <property name="value" type="ADO.Identifier">
            <comment>the sequence value</comment>
            <column name="VALUE" not-null="false" unique="false" sql-type="BIGINT"/>
        </property>
        <property name="block_size" type="ADO.Identifier">
            <comment>the sequence block size</comment>
            <column name="BLOCK_SIZE" not-null="false" unique="false" sql-type="BIGINT"/>
        </property>
    </class>

</hibernate-mapping>

Update mapping: fix type for Identifier
Update mapping: fix type for Identifier

