pyarrow.compute.dictionary_encode¶
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pyarrow.compute.dictionary_encode(array, *, memory_pool=None, options=None, null_encoding='mask')¶ Dictionary-encode array.
Return a dictionary-encoded version of the input array.
- Parameters
array (Array-like) – Argument to compute function
memory_pool (pyarrow.MemoryPool, optional) – If not passed, will allocate memory from the default memory pool.
options (pyarrow.compute.DictionaryEncodeOptions, optional) – Parameters altering compute function semantics.
null_encoding (optional) – Parameter for DictionaryEncodeOptions constructor. Either options or null_encoding can be passed, but not both at the same time.