JiajunBernoulli commented on code in PR #2847:
URL: https://github.com/apache/calcite/pull/2847#discussion_r1040264729
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core/src/main/java/org/apache/calcite/sql/validate/implicit/TypeCoercionImpl.java:
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@@ -104,14 +104,15 @@ public TypeCoercionImpl(RelDataTypeFactory typeFactory,
SqlValidator validator)
updateInferredColumnType(scope1, query, columnIndex, targetType);
return true;
case VALUES:
+ boolean coerceValues = true;
for (SqlNode rowConstructor : ((SqlCall) query).getOperandList()) {
if (!coerceOperandType(scope, (SqlCall) rowConstructor, columnIndex,
targetType)) {
- return false;
+ coerceValues = false;
}
}
updateInferredColumnType(
requireNonNull(scope, "scope"), query, columnIndex, targetType);
- return true;
+ return coerceValues;
Review Comment:
Yes, true means coercion has occurred, and so do `coerceOperandType`.
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