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[Python] Support Binary/StringView in PyArrow #39633
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…es (#39652) ### Rationale for this change First step for #39633: exposing the Array, DataType and Scalar classes for BinaryView and StringView, such that those can already be represented in pyarrow. (I exposed a variant of StringBuilder as well, just for now to be able to create test data) * Closes: #39651 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
…hon objects (#39853) Next step for Binary/StringView support in Python (#39633), now adding it to the python->arrow conversion code path. * Closes: #39852 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
… classes (apache#39652) ### Rationale for this change First step for apache#39633: exposing the Array, DataType and Scalar classes for BinaryView and StringView, such that those can already be represented in pyarrow. (I exposed a variant of StringBuilder as well, just for now to be able to create test data) * Closes: apache#39651 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
…om python objects (apache#39853) Next step for Binary/StringView support in Python (apache#39633), now adding it to the python->arrow conversion code path. * Closes: apache#39852 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
…as (#40093) Last step for Binary/StringView support in Python (#39633), now adding it to the arrow->pandas/numpy conversion code path. * Closes: #40092 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
… classes (apache#39652) ### Rationale for this change First step for apache#39633: exposing the Array, DataType and Scalar classes for BinaryView and StringView, such that those can already be represented in pyarrow. (I exposed a variant of StringBuilder as well, just for now to be able to create test data) * Closes: apache#39651 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
…om python objects (apache#39853) Next step for Binary/StringView support in Python (apache#39633), now adding it to the python->arrow conversion code path. * Closes: apache#39852 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
…y/pandas (apache#40093) Last step for Binary/StringView support in Python (apache#39633), now adding it to the arrow->pandas/numpy conversion code path. * Closes: apache#40092 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
… classes (apache#39652) ### Rationale for this change First step for apache#39633: exposing the Array, DataType and Scalar classes for BinaryView and StringView, such that those can already be represented in pyarrow. (I exposed a variant of StringBuilder as well, just for now to be able to create test data) * Closes: apache#39651 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
…om python objects (apache#39853) Next step for Binary/StringView support in Python (apache#39633), now adding it to the python->arrow conversion code path. * Closes: apache#39852 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
…y/pandas (apache#40093) Last step for Binary/StringView support in Python (apache#39633), now adding it to the arrow->pandas/numpy conversion code path. * Closes: apache#40092 Authored-by: Joris Van den Bossche <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
@jorisvandenbossche There seem to be a long tail of compute functions not currently supported, namely
Are there separate issues tracking those or is this the one? If this is the one, I'm curious the priority of addressing those |
Yes, indeed, in general the string view type is not yet widely supported
That should be working now with the latest 18.0 release
Most of those issues will have to be fixed / implemented on the C++ side. One such issue about adding more functionality is #39634
What do you mean exactly with this item? |
The new Binary and String View format types have been added to C++ (#37792, basic implementation), but not yet exposed to Python.
This is an overview issue of adding support for those to pyarrow:
from_buffers
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