Charles Givre created DRILL-8433:
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Summary: Add Percent Change UDF to Drill
Key: DRILL-8433
URL: https://issues.apache.org/jira/browse/DRILL-8433
Project: Apache Drill
Issue Type: Improvement
Components: Functions - Drill
Affects Versions: 1.21.1
Reporter: Charles Givre
Assignee: Charles Givre
Fix For: 1.22.0
Adds a function to calculate the percent change between two columns. Doing
this without a custom function is cumbersome because you have to include a
check for division by zero.
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