PROSAGA码农传奇-OLAP-报告中的空单元格/偏移量：如何在多维数据集中定义维度和层次结构？

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  <P>
    我找到了解决方案 - 问题出在日期错误的维度上。
  </p>
  <P>
    详情请见：
    <a href="https://stackoverflow.com/questions/2149688/create-a-date-range-in-mysql">
      在mysql中创建日期范围
    </A>
  </p>
  <P>
    新蒙德里安架构：
  </p>
   <pre>
    <code>
      <Schema name="MondrianSchema">
  <Dimension type="TimeDimension" visible="true" highCardinality="false" name="X dimension">
    <Hierarchy name="X_hierarchy" visible="true" hasAll="true" primaryKey="date_key">
      <Table name="tbl_declaration_date_dim" schema="dbo">
      </Table>
      <Level name="Year" visible="true" table="tbl_declaration_date_dim" column="Year" nameColumn="Year" type="Numeric" uniqueMembers="true" levelType="TimeYears" hideMemberIf="Never">
      </Level>
      <Level name="Month" visible="true" table="tbl_declaration_date_dim" column="Month" nameColumn="Month" ordinalColumn="Month" type="Numeric" uniqueMembers="false" levelType="TimeMonths" hideMemberIf="Never">
      </Level>
      <Level name="Day" visible="true" table="tbl_declaration_date_dim" column="Day" nameColumn="Day" ordinalColumn="Day" type="Numeric" uniqueMembers="false" levelType="TimeDays" hideMemberIf="Never">
      </Level>
    </Hierarchy>
  </Dimension>
  <Dimension type="TimeDimension" visible="true" name="Y dimension">
    <Hierarchy name="Y_Hierarchy" visible="true" hasAll="true" primaryKey="date_key">
      <Table name="tbl_declaration_date_dim" schema="dbo" alias="">
      </Table>
      <Level name="Year" visible="true" table="tbl_declaration_date_dim" column="Year" nameColumn="Year" type="Numeric" uniqueMembers="true" levelType="TimeYears" hideMemberIf="Never">
      </Level>
      <Level name="Month" visible="true" table="tbl_declaration_date_dim" column="Month" nameColumn="Month" ordinalColumn="Month" type="Numeric" uniqueMembers="false" levelType="TimeMonths" hideMemberIf="Never">
      </Level>
      <Level name="Day" visible="true" table="tbl_declaration_date_dim" column="Day" nameColumn="Day" ordinalColumn="Day" type="Numeric" uniqueMembers="false" levelType="TimeDays" hideMemberIf="Never">
      </Level>
    </Hierarchy>
  </Dimension>
  <Cube name="tbl_application_cube" caption="..." visible="true" description="..." cache="true" enabled="true">
    <Table name="tbl_appl_olap_fact" schema="dbo">
    </Table>
    <DimensionUsage source="X dimension" name="X axis" visible="true" foreignKey="date_dim" highCardinality="false">
    </DimensionUsage>
    <DimensionUsage source="Y dimension" name="Y axis" visible="true" foreignKey="date_dim">
    </DimensionUsage>
    <Measure name="DeclarationCount" column="declaration_id" aggregator="count" visible="true">
    </Measure>
  </Cube>
</Schema>

</code>
  </pre>
</DIV>