Alessandro Molina

icon indicating a website link https://alessandro.molina.fyi/

icon location Torino icon location @apache Arrow contributor, Core Developer of @TurboGears , Author of https://www.pythonstandardlibrarybook.com/ and http://pythontdd.com

Results 85 comments of Alessandro Molina

ARROW-17159: [C++][Java] Dataset: Support reading from fixed offset o…

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ARROW-16917: [C++][Gandiva] Add a Secondary Cache to cache gandiva object code

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ARROW-17369: [Java][CI] Automatically build dependant libraries for s390x

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ARROW-17278: [C++][Benchmarking] Add AsofJoin Ordering Assertion and Benchmark Fixes

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DO NOT MERGE (ARROW-16218: [Java] Don't depend on netty-transport-native-unix-common on s390x)

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ARROW-15961: [C++] Check nullability when validating fields on batches or struct arrays

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ARROW-17259: [C++] Do not use shared_ptr<DataType> with kernel function signatures, do less copying of shared_ptrs

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[Python] group_by functionality directly on large dataset, instead of on a table?

@MatthewRGonzalez I think this can now be achieved using the new Acero Declaration API. See https://github.com/apache/arrow/blob/main/python/pyarrow/acero.py#L302-L308 and probably replace `Declaration("table_source", TableSourceNodeOptions(table))` with a `_dataset_to_decl` call like sorting does ( https://github.com/apache/arrow/blob/main/python/pyarrow/acero.py#L280-L287...

ARROW-15452: [FlightRPC][Java] JDBC driver for Flight SQL

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ARROW-16865: [C++][Python] Implement cumulative product, max, and min compute functions

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