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MONDRIAN: spell-check
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[git-p4: depot-paths = "//open/mondrian/": change = 7086]
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jsichi committed Jun 30, 2006
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Expand Up @@ -428,24 +428,24 @@ <h3><a name="Feature_Virtual_cube_enhancements">4.5 Virtual cube enhancements</a

<h5>Design details</h5>

<p>Long term, we would like to seperate the RolapDimension object into
<p>Long term, we would like to separate the RolapDimension object into
a RolapDimensionData object and a RolapDimensionUsage object. This
would allow us to seperate the dimension members from their usage in a
would allow us to separate the dimension members from their usage in a
cube context. For example, the Time Dimension could be used multiple
times as Order Date, Ship Date and Close Date. Close Date would
contain a psuedo-member [Close Date].[Year].[1997] and Order Date
would contain a psuedo-member [Order Date].[Year].[1997] and both
psuedo-members would really refer to the real member
contain a pseudo-member [Close Date].[Year].[1997] and Order Date
would contain a pseudo-member [Order Date].[Year].[1997] and both
pseudo-members would really refer to the real member
[Time].[Year].[1997]. Close Date and Order Date would have different
dimension ordinals inside the cube even though they both refer to
members from the same RolapDimensionData. This work would be extended
to virtual cubes so that virtual cubes could define dimension usages
that refer to base cube dimension usages. For example, the
Oppty-Orders VC would contain a Canonical Time dimension based on
Oppty Cube.Close Date and Order Cube.Order Date. It would then be
possible to determine that the psuedo member [Canonical
possible to determine that the pseudo member [Canonical
Date].[Year].[1997] maps to [Close Date].[Year].[1997] and [Order
Date].[Year].[1997] psuedo members which map to conforming member
Date].[Year].[1997] pseudo members which map to conforming member
[Time].[Year].[1997]. In terms of implementation, there should only
be one primary SQL reader inside of the Time RolapDimensionData. Each
RolapDimensionUsage would provide a decorated reader which also tracks
Expand Down Expand Up @@ -794,4 +794,4 @@ <h3><a name="Feature_Query_cancel_timeout">4.25 Query cancel/timeout</a></h3>

</body>

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