Iceberg partitions #839
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Iceberg partitions #839
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metalmatze
approved these changes
Apr 25, 2024
Using the latest iceberg-go version we can now filter at the manifest layer using partitions
Perform a query that contains a column that doesn't exist in the manifest partition
Missing columns are typically treated as a null column. However when filtering on a Iceberg's manifest partition missing columns cannot be treated as null because the partition only containes the columns that are configured in the partition spec. So filtering manifests we just treat missing columns as a positive hit since we can't make a negative decision based on it not being included.
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Adds support to iceberg storage to filter on manifests.
This does include a non iceberg related change in commit 319be90 that adds support to the filter
Evalfunction to allow ignoring missing columns while filtering.