seddonm1 commented on a change in pull request #8966:
URL: https://github.com/apache/arrow/pull/8966#discussion_r546304202
##########
File path: rust/datafusion/src/physical_plan/string_expressions.rs
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@@ -66,3 +71,73 @@ pub fn concatenate(args: &[ArrayRef]) -> Result<StringArray>
{
}
Ok(builder.finish())
}
+
+/// character_length returns number of characters in the string
+/// character_length('josé') = 4
+pub fn character_length(args: &[ArrayRef]) -> Result<Int32Array> {
Review comment:
Agree and fixed.
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