Details
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Improvement
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Status: Open
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Major
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Resolution: Unresolved
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None
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None
Description
Ability for Drill to assign a NULL value to empty fields in CSV files.
Option to be set at session or system level to implement this assignment.
Avoids errors when casting to different data types without the need to check for empty fields first. Simplifies predicate filters and avoid potential mistakes. Allows for simplification of joins, especially with columns from different data sources.