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refactor(query): simplify expression kernel #16482

Closed sundy-li closed 1 month ago

sundy-li commented 1 month ago

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/

Summary

simplify expression kernel codes via ValueVisitor trait.

Tests

Type of change


This change isโ€‚Reviewable