Jason Altekruse created DRILL-2448:
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Summary: Remove outdated code to ignore type resolution with
varchar vs varbinary now that implicit casting subsumes it
Key: DRILL-2448
URL: https://issues.apache.org/jira/browse/DRILL-2448
Project: Apache Drill
Issue Type: Bug
Components: Execution - Data Types
Affects Versions: 0.7.0
Reporter: Jason Altekruse
Assignee: Jason Altekruse
Priority: Critical
Fix For: 0.8.0
Function resolution included a small condition to allow varchar and varbinary
functions to be resolved for either incoming type. While it is valid to
implicitly cast between these two, this early workaround creates a technically
invalid expression tree that happens to work with the current code generation
system. This however does create an issue for the interpreted expression
evaluator. Removing the code simply causes an implicit cast to be added during
materialization, this works for both generated code expression evaluation as
well as the interpreter.
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