pyarrow.concat_arrays#

pyarrow.concat_arrays(arrays, MemoryPool memory_pool=None)#

Concatenate the given arrays.

The contents of the input arrays are copied into the returned array.

Parameters:

arraysiterable of pyarrow.Array

Arrays to concatenate, must be identically typed.

memory_poolMemoryPool, default None

For memory allocations. If None, the default pool is used.

Raises:

ArrowInvalid

If not all of the arrays have the same type.

Examples

>>> import pyarrow as pa
>>> arr1 = pa.array([2, 4, 5, 100])
>>> arr2 = pa.array([2, 4])
>>> pa.concat_arrays([arr1, arr2])
<pyarrow.lib.Int64Array object at ...>
[
  2,
  4,
  5,
  100,
  2,
  4
]