Fix merge write disposition for pyarrow and ClickHouse

dlt-hub / dlt

data load tool (dlt) is an open source Python library that makes data loading easy 🛠️

https://dlthub.com/docs

Apache License 2.0

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Closed burnash closed 2 days ago

burnash commented 1 week ago

Attempt to fix #1972.

Extends SqlMergeFollowupJob._get_row_key_col() to fallback to a single primary key if no row_key or unique columns are found.
Adds tests for pyarrow load with merge to ClickHouse

netlify[bot] commented 1 week ago

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