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[ARROW-7338] [C++] Improve InMemoryDataSource to support generator instead of static list - Arrow - [issue]
...The constructor should take a generator// Some comments hereclass InMemoryDataSource : public DataSource {  public:    using Generator = std::function<Iterator<std::shar...
http://issues.apache.org/jira/browse/ARROW-7338    Author: Francois Saint-Jacques , 2020-02-19, 15:47
[ARROW-7759] [C++][Dataset] Add CsvFileFormat for CSV support - Arrow - [issue]
...This should be a minimal implementation that binds 1-1 file and ScanTask for now. Streaming optimizations  can be done in ARROW-3410....
http://issues.apache.org/jira/browse/ARROW-7759    Author: Francois Saint-Jacques , 2020-02-19, 14:22
[ARROW-7764] [C++] Builders allocate a null bitmap buffer even if there is no nulls - Arrow - [issue]
...This is an optimization where we can coalesce to nullptr if there's no null in the array....
http://issues.apache.org/jira/browse/ARROW-7764    Author: Francois Saint-Jacques , 2020-02-18, 20:02
[PARQUET-1797] [C++] Fix fuzzing errors - Parquet - [issue]
http://issues.apache.org/jira/browse/PARQUET-1797    Author: Francois Saint-Jacques , 2020-02-18, 17:18
[ARROW-7878] [C++] Implement LogicalPlan and LogicalPlanBuilder - Arrow - [issue]
http://issues.apache.org/jira/browse/ARROW-7878    Author: Francois Saint-Jacques , 2020-02-18, 16:22
[ARROW-7861] [C++][Parquet] Add fuzz regression corpus for parquet reader - Arrow - [issue]
http://issues.apache.org/jira/browse/ARROW-7861    Author: Francois Saint-Jacques , 2020-02-18, 14:55
[ARROW-7761] [C++] Add S3 support to fs::FileSystemFromUri - Arrow - [issue]
...FileSystemFromUri doesn't support S3. This would give almost immediate support for S3 in python/R....
http://issues.apache.org/jira/browse/ARROW-7761    Author: Francois Saint-Jacques , 2020-02-17, 16:04
[ARROW-7819] [C++][Gandiva] Add DumpIR to Filter/Projector classes - Arrow - [issue]
...The tool should take a protobuf expression from stdin and dump the IR to stdout. This might require some though as the schema is not always known. It could mean a refactor to support plain a...
http://issues.apache.org/jira/browse/ARROW-7819    Author: Francois Saint-Jacques , 2020-02-14, 17:44
[VOTE] Adopt Arrow in-process C Data Interface specification - Arrow - [mail # dev]
...+1On Thu, Feb 13, 2020 at 9:08 PM Fan Liya  wrote:>> +1 (binding)>> On Thu, Feb 13, 2020 at 11:52 AM Wes McKinney  wrote:>> > +1 (binding)> >> > On...
   Author: Francois Saint-Jacques , 2020-02-14, 02:15
[ARROW-7390] [C++][Dataset] Concurrency race in Projector::Project - Arrow - [issue]
...When a DataFragment is invoked by 2 scan tasks of the same DataFragment, there's a race to invoke SetInputSchema. Note that ResizeMissingColumns also suffers from this race. The ideal goal i...
http://issues.apache.org/jira/browse/ARROW-7390    Author: Francois Saint-Jacques , 2020-02-11, 14:15