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Posted to notifications@asterixdb.apache.org by "Vijay Sarathy (Jira)" <ji...@apache.org> on 2023/02/08 19:59:00 UTC

[jira] [Created] (ASTERIXDB-3107) Cost/card info not shown in explain output for index nested loops plan.

Vijay Sarathy created ASTERIXDB-3107:
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             Summary: Cost/card info not shown in explain output for index nested loops plan.
                 Key: ASTERIXDB-3107
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-3107
             Project: Apache AsterixDB
          Issue Type: Improvement
          Components: COMP - Compiler
            Reporter: Vijay Sarathy


For an indexnl plan, we currrently do not show card/cost in the explain output. These annotations are added at the end of join enumeration on the logical operators in EnumerateJoinsRule. For indexnl join, there are no corresponding physical operators (as the data scan gets converted into unnest_map), so these cards are not accessible in the final EstimatedCostComputationVisitor code.



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