Torque中的一些问题

size="8" javaNamingMethod="underscore" description="页创建日期,缩略形式"></column>

<column name="pagecode" javaName="pagecode" primaryKey="true" required="true" type="VARCHAR"

size="5" javaNamingMethod="underscore" description="页代码"></column>

<column name="filename" javaName="filename" primaryKey="false" required="true" type="VARCHAR"

size="30" javaNamingMethod="underscore" description="文件名称"></column>

<column name="oldfilename" javaName="oldfilename" primaryKey="false" required="false" type="VARCHAR"

size="30" javaNamingMethod="underscore" description="旧文件名称"></column>

<column name="attname" javaName="attname" primaryKey="false" required="true" type="VARCHAR"

size="50" javaNamingMethod="underscore" description="附件名称,由用户指定的名称"></column>

<column name="img" javaName="img" primaryKey="false" required="false" type="BLOB"

javaNamingMethod="underscore" description="附件文件,