James Taylor created CALCITE-555:
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Summary: Differentiate between column not found and ambiguous
column exceptions
Key: CALCITE-555
URL: https://issues.apache.org/jira/browse/CALCITE-555
Project: Calcite
Issue Type: Improvement
Reporter: James Taylor
Assignee: Julian Hyde
Priority: Minor
With CALCITE-497, fields within record groups may be referenced through their
field names if they're unique. However, there's currently no differentiation
between a field/column not being found and a field name being ambiguous. This
will likely confuse users, so if possible, these two error conditions should be
differentiated.
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