yuqi1129 commented on a change in pull request #1057: [CALCITE-2854] code gen
error for UNARY_MINUS operator call with deci…
URL: https://github.com/apache/calcite/pull/1057#discussion_r269519787
##########
File path:
core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java
##########
@@ -2168,7 +2167,14 @@ public Expression implement(
RexCall call,
List<Expression> translatedOperands) {
final Expression operand = translatedOperands.get(0);
- final UnaryExpression e = Expressions.makeUnary(expressionType, operand);
+
+ final Expression e;
+ if (expressionType == ExpressionType.Negate && operand.type ==
BigDecimal.class) {
+ e = Expressions.call(BuiltInMethod.UNARY_MINUS.method, operand);
Review comment:
BinaryImplementor ? As far as i known, it only be used in binary operator
and problem is unary minus. If I understand it incorrectly, please correct me.
thanks
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