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Posted to issues@arrow.apache.org by "Andy Grove (JIRA)" <ji...@apache.org> on 2019/02/03 17:23:00 UTC

[jira] [Created] (ARROW-4464) [Rust] [DataFusion] Add support for LIMIT

Andy Grove created ARROW-4464:
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             Summary: [Rust] [DataFusion] Add support for LIMIT
                 Key: ARROW-4464
                 URL: https://issues.apache.org/jira/browse/ARROW-4464
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust
            Reporter: Andy Grove
             Fix For: 0.13.0


As a user, I would like to be able to specify a LIMIT clause on my SQL queries.

Work involved:
 * Add Limit to LogicalPlan enum
 * Write query planner code to translate SQL AST to Limit (SQL parser that we use already supports LIMIT)
 * Implement LimitRelation (look at filter.rs as a guide since it is quite similar)



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