Amareshwari Sriramadasu created LENS-771:
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Summary: Multiple chain ref columns having subset chains are not
pruned properly
Key: LENS-771
URL: https://issues.apache.org/jira/browse/LENS-771
Project: Apache Lens
Issue Type: Bug
Components: cube
Affects Versions: 2.3
Reporter: Amareshwari Sriramadasu
Assignee: Amareshwari Sriramadasu
While debugging LENS-756, i saw this issue and the fix does not seem
straightforward.
The issue is the following :
If reference column have multiple chains and one of the chain is a subset of
the other,
For ex :
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<dim_attribute name="customer_city_name" type="string" description="City
name to which the customer belongs"
display_string="Customer City">
<ref_spec>
<chain_ref_column chain_name="customer_city" ref_col="name" />
<chain_ref_column chain_name="customer_details"
ref_col="customer_city_name" />
</ref_spec>
</dim_attribute>
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