chunweilei commented on a change in pull request #2282:
URL: https://github.com/apache/calcite/pull/2282#discussion_r533011251
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File path: core/src/main/java/org/apache/calcite/rex/RexSimplify.java
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@@ -332,6 +339,87 @@ private RexNode simplifyGenericNode(RexCall e) {
return rexBuilder.makeCall(e.getType(), e.getOperator(), operands);
}
+ /**
+ * Try to find a literal with the given value in the input list.
+ */
+ private int findLiteralIndex(List<RexNode> operands, long value) {
+ for (int i = 0; i < operands.size(); i++) {
+ if (operands.get(i).isA(SqlKind.LITERAL)) {
+ Comparable comparable = ((RexLiteral) operands.get(i)).getValue();
+ if (comparable instanceof BigDecimal && ((BigDecimal)
comparable).longValue() == value) {
+ return i;
+ }
Review comment:
Could you mark it that it only supports numeric type?
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