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Delta Lake Functions
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Here is a list of all scalar Delta Lake functions available in Velox.
Function names link to function description.

These functions are used in deletion vector read.
Refer to `Delta Lake documentation <https://docs.delta.io/delta-deletion-vectors/#_top>`_ and `Delta Lake deletion vector blog <https://delta.io/blog/2023-07-05-deletion-vectors/>`_ for details.

.. delta:function:: bitmap_array_contains(bitmap_array: varbinary, input: bigint) -> bool

    Not implemented.