pyarrow.compute.ascii_upper(strings, /, *, memory_pool=None)#

Transform ASCII input to uppercase.

For each string in strings, return an uppercase version.

This function assumes the input is fully ASCII. It it may contain non-ASCII characters, use “utf8_upper” instead.

stringsArray-like or scalar-like

Argument to compute function.

memory_poolpyarrow.MemoryPool, optional

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