shahrzad shirazi created ASTERIXDB-3223:
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Summary: Enabling the index only plan when index includes UNKNOWNs
Key: ASTERIXDB-3223
URL: https://issues.apache.org/jira/browse/ASTERIXDB-3223
Project: Apache AsterixDB
Issue Type: Improvement
Components: COMP - Compiler
Reporter: shahrzad shirazi
When a secondary index includes UNKNOWNs, we will not create an index only plan
for it even if the query is qualified to have an index-only plan, because the
predicate in query will incorrectly return NULLs/MISSINGs matches. The idea is
to change the query plan to have an index only plan which returns the right
result.
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