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Convert to local epoch when casting to timestamp without timezone #5831

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tustvold
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@tustvold tustvold commented Jun 1, 2024

Draft as I am not sure about this change

Which issue does this PR close?

Closes #5827

Rationale for this change

What changes are included in this PR?

Are there any user-facing changes?

@github-actions github-actions bot added the arrow Changes to the arrow crate label Jun 1, 2024
assert!(result.is_null(2));

let array = StringArray::from(vec!["2010-01-01T00:00:00.123456+08:00"]);
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We now have a difference in behaviour here, which I think is kind of unfortunate - #4201 (comment)

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To keep the same behavior, would we have to change the string parsing logic too?

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Hi @tustvold is this PR relevant for: apache/datafusion#12218 ? If so I would be happy to take over this to get it across the line. cc @alamb & @findepi

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alamb commented Sep 7, 2024

Hi @tustvold is this PR relevant for: apache/datafusion#12218 ? If so I would be happy to take over this to get it across the line. cc @alamb & @findepi

Hi @devanbenz -- thanks for pinging. I think we need to come to some consensus / conclusion that this is the way we want to proceed. I believe there are still some unresolved questions on #5827 that need to be addressed (specifically I believe we also need to agree to update the textual parsing).

Perhaps you can give #5827 a read and post a proposal there to make sure everyone is agreed

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