Determine Whether Some Element Exists in an Array Column
R/dplyr_hof.R
hof_exists
Description
Determines whether an element satisfying the given predicate exists in each array from an array column (this is essentially a dplyr wrapper for the exists(array<T>, function<T, Boolean>): Boolean built-in Spark SQL function)
Usage
hof_exists(x, pred, expr = NULL, dest_col = NULL, ...) Arguments
| Arguments | Description |
|---|---|
| x | The Spark data frame to search |
| pred | A boolean predicate |
| expr | The array being searched (could be any SQL expression evaluating to an array) |
| dest_col | Column to store the search result |
| … | Additional params to dplyr::mutate |