The discussion in [1] led to the following proposal which I would like to submit for a vote.
--- Arrow allows a timestamp column to omit the time zone property. This has caused confusion because some people have interpreted a timestamp without a time zone to be an Instant while others have interpreted it to be a LocalDateTime. This proposal is to clarify the Arrow schema (via comments) and assert that a timestamp without a time zone should be interpreted as LocalDateTime. Note: For definitions of Instant and LocalDateTime (and a discussion on the semantics) please refer to [3] --- For sample arguments for/against see [2]. For a summary of some of the discussion in [1] and a detailed discussion about the different temporal concepts see [3]. A related straw poll (and eventual vote) will be sent regarding treatment of instants as potential Arrow types. The vote will be open for at least 72 hours. [ ] +1 Update comments in schema.fbs to assert the above [ ] +0 [ ] -1 Do not make any change [1]: https://lists.apache.org/thread.html/r8216e5de3efd2935e3907ad9bd20ce07e430952f84de69b36337e5eb%40%3Cdev.arrow.apache.org%3E [2]: https://docs.google.com/document/d/1wDAuxEDVo3YxZx20fGUGqQxi3aoss7TJ-TzOUjaoZk8/edit?usp=sharing [3]: https://docs.google.com/document/d/1QDwX4ypfNvESc2ywcT1ygaf2Y1R8SmkpifMV7gpJdBI/edit?usp=sharing
