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[feature] Add all column projection logic #1636

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kevinjqliu opened this issue Feb 10, 2025 · 1 comment
Open
1 of 4 tasks

[feature] Add all column projection logic #1636

kevinjqliu opened this issue Feb 10, 2025 · 1 comment

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@kevinjqliu
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kevinjqliu commented Feb 10, 2025

Feature Request / Improvement

This issue tracks implementation for all column projections.

From the spec,
Columns in Iceberg data files are selected by field id. The table schema's column names and order may change after a data file is written, and projection must be done using field ids.
Values for field ids which are not present in a data file must be resolved according the following rules:

@gabeiglio
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gabeiglio commented Feb 15, 2025

Work on default values here PR

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