Module polars::export::arrow::compute::substring

source · [−]
This is supported on crate feature compute_substring only.
Expand description

Defines kernel to extract a substring of a [Large]StringArray

Functions

can_substring

Checks if an array of type datatype can perform substring operation

substring

Returns an ArrayRef with a substring starting from start and with optional length length of each of the elements in array. start can be negative, in which case the start counts from the end of the string. this function errors when the passed array is not a [Large]String array.