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https://issues.apache.org/jira/browse/OFBIZ-10953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17031495#comment-17031495
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Jacopo Cappellato commented on OFBIZ-10953:
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Unfortunately it is not desirable to use uomId (i.e. the natural key) to
populate the dimensionId (i.e. the primary key of the dimension table): in
fact, based on the update strategy adopted for the dimension table (type 1,
type 2 etc... as described in "The Datawarehouse Toolkit" book) the
CurrencyDimension table may contain several rows with the same uomId as this is
important for properly implementing drill-up and drill-down reports.
> have CurrencyDimension have a dimensionId that is based on the natural key
> --------------------------------------------------------------------------
>
> Key: OFBIZ-10953
> URL: https://issues.apache.org/jira/browse/OFBIZ-10953
> Project: OFBiz
> Issue Type: Improvement
> Components: bi
> Affects Versions: Trunk, Release Branch 17.12, Release Branch 18.12
> Reporter: Pierre Smits
> Assignee: Pierre Smits
> Priority: Major
> Labels: CurrencyDimension, birt, currency, dimension, dwh
> Attachments: OFBIZ-10953-BI.patch
>
>
> Currently the record sequencer (delegator.getNextSeqId) is used to determine
> the dimensionId for the CurrencyDimension. This is unnecessary as the uomId
> from the UOM table can be used for currency.
> It also makes it easier to set the foreign-key in fact tables by generating
> it based on the date provided, than by retrieving the dimensionId based on a
> retrieval through the getDimensionIdFromNaturalKey service.
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