asolimando commented on code in PR #3858:
URL: https://github.com/apache/calcite/pull/3858#discussion_r1680548535
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arrow/src/main/java/org/apache/calcite/adapter/arrow/ArrowTranslator.java:
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@@ -127,6 +127,8 @@ private String translateMatch2(RexNode node) {
return translateBinary("greater_than", "<", (RexCall) node);
case GREATER_THAN_OR_EQUAL:
return translateBinary("greater_than_or_equal_to", "<=", (RexCall) node);
+ case IS_NULL:
+ return translateUnary("isnull", (RexCall) node);
default:
throw new UnsupportedOperationException("Unsupported binary operator " +
node);
Review Comment:
I realize now that "binary" is not correct, it can be unary too, can we
amend as `"Unsupported operator " + node`?
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