pyarrow.compute.index#

pyarrow.compute.index(data,value,start=None,end=None,*,memory_pool=None)[source]#

Find the index of the first occurrence of a given value.

Parameters:
dataArray-like
valueScalar-like object

The value to search for.

startint, optional
endint, optional
memory_poolMemoryPool, optional

If not passed, will allocate memory from the default memory pool.

Returns:
indexint

the index, or -1 if not found

Examples

>>>importpyarrowaspa>>>importpyarrow.computeaspc>>>arr=pa.array(["Lorem","ipsum","dolor","sit","Lorem","ipsum"])>>>pc.index(arr,"ipsum")<pyarrow.Int64Scalar: 1>>>>pc.index(arr,"ipsum",start=2)<pyarrow.Int64Scalar: 5>>>>pc.index(arr,"amet")<pyarrow.Int64Scalar: -1>