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Posted to dev@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/03/29 20:32:00 UTC

[jira] [Created] (ARROW-8265) [Rust] [DataFusion] Table API collect() should not require context

Andy Grove created ARROW-8265:
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             Summary: [Rust] [DataFusion] Table API collect() should not require context
                 Key: ARROW-8265
                 URL: https://issues.apache.org/jira/browse/ARROW-8265
             Project: Apache Arrow
          Issue Type: Bug
          Components: Rust, Rust - DataFusion
            Reporter: Andy Grove
            Assignee: Andy Grove
             Fix For: 0.17.0


The Table API requires the context to be passed into the collect() method which leads to this odd code.
{code:java}
let results = ctx.table("alltypes_plain")?
    .filter(col("c12").gt(&lit_f64(0.5)))?
    .aggregate(vec![col("c1")], vec![min(col("c12"))])?
    .collect(&mut ctx, 1024)?; {code}
Since the table comes from the context, it should not be necessary to pass the context back in.



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