Mihai Budiu created CALCITE-7717:
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Summary: Add a Collect.isValid method to check type invariants
Key: CALCITE-7717
URL: https://issues.apache.org/jira/browse/CALCITE-7717
Project: Calcite
Issue Type: Improvement
Components: core
Affects Versions: 1.42.0
Reporter: Mihai Budiu
Assignee: Mihai Budiu
The isValid method is supposed to check invariants for subclasses of
AbstractRelNode.
Collect does not have such a method.
While working on solving some bugs I have discovered that some rewrites produce
malformed Collect nodes after validation, yet the plans do not reject them.
Adding this validation would enable us to catch such bugs sooner.
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