<?xml version="1.0" encoding="UTF-8"?>
 <database name="propel" defaultIdMethod="native" noXsd="true" package="lib.model">
    <table name="blog_article" phpName="Article">
      <column name="id" type="integer" required="true" primaryKey="true"autoIncrement="true" />
      <column name="title" type="varchar" size="255" />
      <column name="content" type="longvarchar" />
      <column name="created_at" type="timestamp" />
    </table>
    <table name="blog_comment" phpName="Comment">
      <column name="id" type="integer" required="true" primaryKey="true"autoIncrement="true" />
      <column name="article_id" type="integer" />
      <foreign-key foreignTable="blog_article">
        <reference local="article_id" foreign="id"/>
      </foreign-key>
      <column name="author" type="varchar" size="255" />
      <column name="content" type="longvarchar" />
      <column name="created_at" type="timestamp" />
    </table>
 </database>