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Date type transformed to uint16 when export to Dataframe #88

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blackrez opened this issue Aug 16, 2023 · 1 comment

blackrez commented Aug 16, 2023

Describe the issue
When a query retuns Date type and it is exported to Dataframe or Arrow, it will be transformed to

How to reproduce

res = chdb.query('SELECT toDate(now())', 'Dataframe')
res
>>>toDate(now())
>>>0          19585

res = chdb.query('SELECT toDate32(now())', 'Dataframe')
res
>>>toDate32(now())
>>>0      2023-08-16

The text was updated successfully, but these errors were encountered:

Contributor

Daniel-Robbins commented Jan 6, 2024 •

edited

I will try to fix this. It seems to be a clickhouse arrow format issue: https://clickhouse.com/docs/en/interfaces/formats#data-types-matching-arrow
I will find out why is this:

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