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Apache Arrow is a multi-language toolbox for accelerated data interchange and in-memory processing
### Rationale for this change ODBC scroll fetch implementation. This is part of advance ODBC data fetching. ### What changes are included in this PR? - Implement SQLFetchScroll, only fetch...
### Rationale for this change Add support for returning columns metadata from the connected data source. ### What changes are included in this PR? - SQLColumns & Test ### Are...
### Rationale for this change Implement ODBC to return information about data types supported by the data source ### What changes are included in this PR? - SQLGetTypeInfo & Tests...
### Rationale for this change Implement SQLDescribeCol which "returns the result descriptor - column name,type, column size, decimal digits, and nullability - for one column in the result set. This...
### Rationale for this change Add SQLGetFunctions Tests to make sure the ODBC driver manager's implementation SQLGetFunctions is same as expected. The ODBC driver manager interacts with the Flight SQL...
### Rationale for this change The `chunked_arrays` hypothesis strategy had a workaround that excluded struct types with the assumption that field metadata is not preserved (added from https://github.com/apache/arrow/commit/dd0988b49cb6726cf915bb9f53d7320e3a97b00b). Testing confirms...
### Rationale for this change To test various cases of field names: https://github.com/apache/arrow/blob/6456944f5092dedb3f80d9bc80400e857d6571c7/python/pyarrow/tests/strategies.py#L49 It was introduced from https://github.com/apache/arrow/commit/9da458437162574f3e0d82e4a51dc6c1589b9f94 ### What changes are included in this PR? This PR implements Alphanumeric...
### Rationale for this change https://github.com/apache/arrow/commit/e9b9042a058333b68849a640b510e94413a29d91 added the workaround for Python 3.9 on Windows. However, PyArrow dropped Python 3.9 at https://github.com/apache/arrow/commit/aedb752762174b7971fe13a42d2b925bd76da3be. Per https://github.com/python/cpython/commit/e822e37946f27c09953bb5733acf3b07c2db690f, this should be fine to be removed....
### Rationale for this change Enable a test that is intended so. ### What changes are included in this PR? This PR proposes to enable the relative path in `test_write_dataset`...
Co-authored-by: [[email protected]](mailto:[email protected]) ### Rationale for this change [ALP](https://docs.google.com/document/d/1PlyUSfqCqPVwNt8XA-CfRqsbc0NKRG0Kk1FigEm3JOg/edit?tab=t.0#heading=h.5xf60mx6q7xk) significantly improves on the compression ratio and decompression speed over of float/double columns over other encoding/compression techniques. ### What changes are included...