[jira] [Assigned] (ARROW-13157) [C++] Implement ignore_case option for find_substring

["David Li (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-13157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Li reassigned ARROW-13157:
--------------------------------

    Assignee: David Li

> [C++] Implement ignore_case option for find_substring 
> ------------------------------------------------------
>
>                 Key: ARROW-13157
>                 URL: https://issues.apache.org/jira/browse/ARROW-13157
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Nic Crane
>            Assignee: David Li
>            Priority: Major
>
> The find_substring compute function uses the MatchSubstringOptions Options class.  However, when I try to set ignore_case to TRUE, I get the following error:
> {code:java}
>  Error: NotImplemented: find_substring with ignore_case
> {code}
> R code to replicate the error is below, though depends on a currently unmerged branch:
> {code:java}
> df <- tibble(x = c("Foo and Bar", "baz and qux and quux"))
> df %>%
>       Table$create() %>%
>       mutate(x = arrow_find_substring(x, options = list(pattern = "b", ignore_case = TRUE))) %>%
>       collect()
> {code}



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