DonnyZone commented on a change in pull request #1057:
URL: https://github.com/apache/calcite/pull/1057#discussion_r458501560
##########
File path:
core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java
##########
@@ -2194,7 +2197,15 @@ private Expression maybeBox(Expression expression) {
@Override Expression implementSafe(RexToLixTranslator translator,
RexCall call, List<Expression> argValueList) {
final Expression argValue = argValueList.get(0);
- final UnaryExpression e = Expressions.makeUnary(expressionType,
argValue);
+
+ final Expression e;
+ if (expressionType == ExpressionType.Negate && argValue.type ==
BigDecimal.class
Review comment:
```
if (backupMethodName != null) {
// add some comments here
if (expressionType == ExpressionType.Negate && argValue.type ==
BigDecimal.class) {
e = Expressions.call(argValue, backupMethodName);
}
} else {
e = Expressions.makeUnary(expressionType, argValue);
}
```
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