Vladimir Sitnikov created CALCITE-4397:
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Summary: StandardConvertletTable#convertDatetimeMinus is
inconsistent with MINUS_DATE return type inference
Key: CALCITE-4397
URL: https://issues.apache.org/jira/browse/CALCITE-4397
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.26.0
Reporter: Vladimir Sitnikov
SqlNode representation has 3 parameters: {{datetime}} - {{datetime}}
{{interval_qualifier}}
The return type inference is {{ARG2_NULLABLE}} so it assumes the call has three
parameters.
In practice, {{convertDatetimeMinus}} removes the last parameter via
{{rexBuilder.makeCall(resType, op, exprs.subList(0, 2));}}, which blocks node
cloning via {{rexBuilder.makeCall(e.getOperator(), operands)}}
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