kou commented on code in PR #34952:
URL: https://github.com/apache/arrow/pull/34952#discussion_r1161177811
##########
ruby/red-arrow/test/test-slicer.rb:
##########
@@ -528,5 +540,40 @@ def setup
2 window
TABLE
end
+
+ test("match_like") do
+ sliced_table = @table.slice do |slicer|
+ slicer.string.match_like("_rr%")
+ end
+ assert_equal(<<~TABLE, sliced_table.to_s)
+ string
+0 array
+1 Arrow
+2 (null)
+ TABLE
+ end
+
+ test("match_substring_regex") do
+ sliced_table = @table.slice do |slicer|
+ slicer.string.match_substring_regex("[dr]ow")
Review Comment:
Hmm.
I don't think that it's usable.
Do you have any use case for it rather than `match_substring?(/[dr]ow/)`
style?
If you don't have any use case for it, how about not providing
`match_substring_regexp?` for now? If we get a request for it from an user, we
can reconsider this.
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