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Commits on Nov 5, 2017

• ARROW-1714: [Python] Fix invalid serialization/deserialization None name Series

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  Licht-T

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Commits on Oct 26, 2017

• ARROW-1689: [Python] Allow user to request no data copies

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  njwhite

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• ARROW-1732: [Python] Permit creating record batches with no columns, test pandas roundtrips

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  wesm

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Commits on Oct 24, 2017

• ARROW-1720: [Python] Implement bounds check in chunk getter

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  Licht-T

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Commits on Oct 8, 2017

• ARROW-1594: [Python] Multithreaded conversions to Arrow in from_pandas

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Commits on Oct 3, 2017

• ARROW-838: [Python] Expand pyarrow.array to handle NumPy arrays not originating in pandas

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Commits on Sep 20, 2017

• ARROW-1557 [Python] Validate names length in Table.from_arrays

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  TomAugspurger

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Commits on Sep 10, 2017

• ARROW-1359: [C++] Add flavor='spark' option to write_parquet that sanitizes schema field names

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  wesm

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Commits on Sep 7, 2017

• ARROW-622 [Python] deprecate timestamps_to_ms in .from_pandas()

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  jreback

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• ARROW-1435: [Python] Properly handle time zone metadata in Parquet round trips

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Commits on Aug 25, 2017

• ARROW-1408: [C++] IPC public API cleanup, refactoring. Add SerializeSchema, ReadSchema public APIs

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Commits on Aug 8, 2017

• ARROW-439: [Python] Add option in "to_pandas" conversions to yield Categorical from String/Binary arrays

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  fjetter

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Commits on Aug 7, 2017

• ARROW-1327: [Python] Always release GIL before calling check_status in Cython

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Commits on Aug 4, 2017

• ARROW-1328: [Python] Set correct Arrow type when coercing to milliseconds and passing explicit type

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Commits on Aug 2, 2017

• ARROW-1093: [Python] Run flake8 in Travis CI. Add note about development to README

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Commits on Jul 30, 2017

• ARROW-932: [Python] Fix MSVC compiler warnings, build Python with /WX and -Werror in CI

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Commits on Jul 29, 2017

• ARROW-1291: [Python] Cast non-string DataFrame columns to strings in RecordBatch/Table.from_pandas

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• ARROW-968: [Python] Support slices in RecordBatch.__getitem__

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Commits on Jul 19, 2017

• ARROW-1167: [Python] Support chunking string columns in Table.from_pandas

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Commits on Jul 18, 2017

• ARROW-1103: [Python] Support read_pandas (with index metadata) on directory of Parquet files

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Commits on Jul 15, 2017

• ARROW-1214: [Python/C++] Add C++ functionality to more easily handle encapsulated IPC messages, Python bindings

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Commits on Jul 10, 2017

• ARROW-1168: [Python] pandas metadata may contain "mixed" data types

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  cpcloud

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Commits on Jul 1, 2017

• ARROW-1125: partial schemas for Table.from_pandas

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  fjetter

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Commits on Jun 23, 2017

• ARROW-1132: [Python] Unable to write pandas DataFrame w/MultiIndex containing duplicate values to parquet

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  cpcloud

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Commits on May 31, 2017

• ARROW-1054: [Python] Fix test failure on pandas 0.19.2, some refactoring

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Commits on May 17, 2017

• ARROW-970: [Python] Nicer experience if user accidentally calls pyarrow.Table ctor directly

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Commits on May 16, 2017

• ARROW-881: [Python] Reconstruct Pandas DataFrame indexes using metadata

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  cpcloud

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Commits on May 15, 2017

• ARROW-1027: [Python] Allow negative indexing in fields/columns on pyarrow Table and Schema objects

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  cpcloud

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Commits on May 13, 2017

• ARROW-819: Public Cython and C++ API in the style of lxml, arrow::py::import_pyarrow method

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