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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/01/31 10:11:02 UTC

[GitHub] [arrow] ritchie46 commented on a change in pull request #9379: ARROW-11443: [Rust] Write datetime information for Date64 Type in csv writer

ritchie46 commented on a change in pull request #9379:
URL: https://github.com/apache/arrow/pull/9379#discussion_r567402067



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File path: rust/arrow/src/csv/writer.rs
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@@ -76,6 +76,7 @@ use crate::{array::*, util::serialization::lexical_to_string};
 const DEFAULT_DATE_FORMAT: &str = "%F";
 const DEFAULT_TIME_FORMAT: &str = "%T";
 const DEFAULT_TIMESTAMP_FORMAT: &str = "%FT%H:%M:%S.%9f";
+const DEFAULT_DATETIME_FORMAT: &str = "%+"; //  	ISO 8601 / RFC 3339 date & time format.

Review comment:
       Yes, good point. This seems overly expensive indeed.




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