delta-io/delta
在 GitHub 查看[Feature Request][Kernel] Support implicit cast for `DefaultExpressionEvaluator` output.
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#2,047 创建于 2023年9月12日
enhancementgood first issuekernel
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描述
Feature request
Which Delta project/connector is this regarding?
- Spark
- Standalone
- Flink
- Kernel
- Other (fill in here)
Overview
Currently ExpressionHandler.getEvaluator takes an expected output type as argument. The comment here is to handle the implicit cast incase the expression output can be safely cast to the asked output type.