Mihai Budiu created CALCITE-6014:
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Summary: Create a SqlOperatorFixture that parses, unparses, and
then parses again before executing
Key: CALCITE-6014
URL: https://issues.apache.org/jira/browse/CALCITE-6014
Project: Calcite
Issue Type: Improvement
Components: core
Affects Versions: 1.35.0
Reporter: Mihai Budiu
Such a fixture will help catch bugs in the unparsing code.
Several bugs were found using this technique, e.g., CALCITE-5997.
This is related to CALCITE-5891, CALCITE-6000.
The SqlParserFixture UnparsingTesterImpl provides a similar service, but since
it does not validate the code after unparsing, it will catch fewer bugs.
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