Add list_cat, list_concat, list_repeat #942
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kosiew
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timsaucer
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| To concatenate two arrays, you can use the function :py:func:`datafusion.functions.list_cat` or :py:func:`datafusion.functions.list_concat`. | ||
| These functions return a new array that is the concatenation of the input arrays. |
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I recommend we change all references in this file to the array_ versions rather than the list_ versions since I think the primary method is array_ and the list_ version is a convenient alias.
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I have changed the list_ references to array_ references.
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Thank you! I’ll wait for CI to pass and then I’ll merge. Nice work on this PR!
timsaucer
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Nov 12, 2024
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* Add list_cat, list_concat * Add list_repeat * docs: add examples for list_cat, list_concat, and list_repeat functions * Amend list_repeat code example - literal * Amend list_ to array_ in documentation
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Which issue does this PR close?
Completes 3 tasks in #463
Rationale for this change
This PR adds new functions
list_cat,list_concat,list_repeat.What changes are included in this PR?
Added the
list_cat,list_concat,list_repeatfunctions.Updated the Python bindings in functions.py and provided unit tests in test_functions.py.
Updated the documentation (expressions.rst) to include examples on how to use the new functions.
Are there any user-facing changes?
The list_cat, list_concat, list_repeat functions are now available for users working with arrays allowing users to concatenate and repeat arrays within their DataFusion queries.
There are no breaking changes to public APIs.