CREATE TABLE VSTATUSDATE (
    ID        BIGINT NOT NULL,
    TKP       BIGINT NOT NULL,
    ...
);

and

CREATE TABLE VTKP (
    ID          BIGINT NOT NULL,
    ...
);

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
  <class name="brescore.VStatusDate" table="VSTATUSDATE">
    <id name="id" type="long">
      <column name="ID"/>
      <generator class="native"/>
    </id>
    <property name="date" type="timestamp">
      <column name="DT" not-null="true"/>
    </property>
    <many-to-one class="brescore.VTKP" column="TKP" name="tkp" not-null="true"/>
    <many-to-one class="brescore.auxi.VStatus" column="STATUS" fetch="select" name="status" not-null="true"/>
    <many-to-one class="brescore.VEmployee" column="EMPLOYEE" fetch="select" name="employee" not-null="true"/>
</class>
</hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
  <class name="brescore.VTKP" table="VTKP">
    <id name="id" type="long">
      <column name="ID"/>
      <generator class="native"/>
    </id>
    <property name="num" type="string">
      <column length="10" name="NUM" not-null="true"/>
    </property>
    <property name="outNum" type="string">
      <column length="10" name="OUTNUM" not-null="false"/>
    </property>
    <property lazy="true" name="doc" type="binary">
      <column name="DOC" not-null="false"/>
    </property>
    <property lazy="true" name="docName" type="string">
      <column name="DOCNAME" not-null="false"/>
    </property>
    <property name="summa" formula="(select sum(t.q*t.price) from vtkpposition t where t.tkp=id)" type="double"/>
    <property name="sendDt" formula="(select max(t.dt) from vstatusdate t where t.tkp=id and t.status=-50)" type="timestamp"/>
    <many-to-one class="brescore.VOrg" column="CLIENT" name="client"/>
    <many-to-one class="brescore.VEmployee" column="SPECIALIST" name="specialist" not-null="true"/>
    <many-to-one class="brescore.VEmployee" column="AGENT" name="agent" not-null="false"/>
    <many-to-one class="brescore.VEnergoObject" column="ENOBJ" name="energoobject"/>
    <bag name="statuses" cascade="all-delete-orphan" lazy="false" fetch="select">
        <key column="ID" />
        <one-to-many class="brescore.VStatusDate" not-found="exception"/>
    </bag>
  </class>
</hibernate-mapping>

Hibernate: /* load one-to-many brescore.VTKP.statuses */ select statuses0_.ID as ID1_, statuses0_.ID as ID18_0_, statuses0_.DT as DT18_0_, statuses0_.TKP as TKP18_0_, statuses0_.STATUS as STATUS18_0_, statuses0_.EMPLOYEE as EMPLOYEE18_0_ from VSTATUSDATE statuses0_ where statuses0_.ID=?

Hibernate: /* load one-to-many brescore.VTKP.statuses */ select statuses0_.ID as ID1_, statuses0_.ID as ID18_0_, statuses0_.DT as DT18_0_, statuses0_.TKP as TKP18_0_, statuses0_.STATUS as STATUS18_0_, statuses0_.EMPLOYEE as EMPLOYEE18_0_ from VSTATUSDATE statuses0_ where statuses0_.TKP=?