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https://issues.apache.org/jira/browse/ARROW-7338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francois Saint-Jacques updated ARROW-7338:
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Summary: [C++] Improve InMemoryDataSource to support generator instead of
static list (was: [C++] Rename SimpleDataSource to InMemoryDataSource)
> [C++] Improve InMemoryDataSource to support generator instead of static list
> ----------------------------------------------------------------------------
>
> Key: ARROW-7338
> URL: https://issues.apache.org/jira/browse/ARROW-7338
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++ - Dataset
> Reporter: Francois Saint-Jacques
> Assignee: Francois Saint-Jacques
> Priority: Major
>
> The constructor should take a generator
> {code:c++}
> // Some comments here
> class InMemoryDataSource : public DataSource {
> public:
> using Generator = std::function<Iterator<std::shared_ptr<RecordBatch>()>;
> InMemoryDataSource(Generator&& generator);
> // Convenience constructor to support a fixed list of RecordBatch
> InMemoryDataSource(std::shared_ptr<RecordBatch>);
> InMemoryDataSource(std::vector<std::shared_ptr<RecordBatch>>);
> private:
> Generator generator;
> }
> {code}
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