<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<database xmlns="http://db.apache.org/ddlutils/schema/1.1" name="openas2_db">
<table name="msg_metadata">
<column name="ID" primaryKey="true" required="true" type="INTEGER" autoIncrement="true"/>
<column name="MSG_ID" type="LONGVARCHAR" required="true"/>
<column name="PRIOR_MSG_ID" type="LONGVARCHAR" required="false"/>
<column name="MDN_ID" type="LONGVARCHAR"/>
<column name="DIRECTION" type="VARCHAR" size="25"  />
<column name="IS_RESEND" type="VARCHAR" size="1"  DEFAULT="N"/>
<column name="RESEND_COUNT" type="INTEGER" DEFAULT="0"/>
<column name="SENDER_ID" type="VARCHAR" size="255"  required="true"/>
<column name="RECEIVER_ID" type="VARCHAR" size="255"  required="true"/>
<column name="STATUS" type="VARCHAR" size="255" />
<column name="STATE" type="VARCHAR" size="255" />
<column name="SIGNATURE_ALGORITHM" type="VARCHAR" size="255" />
<column name="ENCRYPTION_ALGORITHM" type="VARCHAR" size="255" />
<column name="COMPRESSION" type="VARCHAR" size="255" />
<column name="FILE_NAME" type="VARCHAR" size="255" />
<column name="CONTENT_TYPE" type="VARCHAR" size="255" />
<column name="CONTENT_TRANSFER_ENCODING" type="VARCHAR" size="255" />
<column name="MDN_MODE" type="VARCHAR" size="255" />
<column name="MDN_RESPONSE" type="LONGVARCHAR"/>
<column name="STATE_MSG" type="LONGVARCHAR"/>
<column name="CREATE_DT" type="TIMESTAMP" DEFAULT="CURRENT_TIMESTAMP"/>
<column name="UPDATE_DT" type="TIMESTAMP"/>
  
<unique name="MSG_ID_UNIQUE">
  <unique-column name="MSG_ID"/>
</unique>
</table>
</database>


Add missing XML schema definition file
Add missing XML schema definition file