[jira] [Created] (ARROW-14642) [C++] ScanNode is not using the filter expression

["Percy Camilo Triveño Aucahuasi (Jira)" <ji...@apache.org>]

Percy Camilo Triveño Aucahuasi created ARROW-14642:
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             Summary: [C++] ScanNode is not using the filter expression
                 Key: ARROW-14642
                 URL: https://issues.apache.org/jira/browse/ARROW-14642
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
    Affects Versions: 7.0.0
            Reporter: Percy Camilo Triveño Aucahuasi
            Assignee: Percy Camilo Triveño Aucahuasi
             Fix For: 7.0.0


The ScanNode can not apply predicate push-down, it seems the are some fragments that are not able to use or setting up properly the filter expression. 

 
{code:java}
auto options = std::make_shared<ScanOptions>();
options->filter = filter_expression;
compute::MakeExecNode("scan", plan.get(), {}, ScanNodeOptions{dataset, options})); 
{code}
Also, if the ScanOptions doesn't have a projection expression the code just crash and I think I should create a default expression to include all the fields from the dataset schema.



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