xiedeyantu commented on code in PR #4406:
URL: https://github.com/apache/calcite/pull/4406#discussion_r2128184235
##########
core/src/main/java/org/apache/calcite/sql/dialect/PrestoSqlDialect.java:
##########
@@ -248,10 +278,12 @@ public static void unparseMapValue(SqlWriter writer,
SqlCall call,
*/
public static SqlCall convertMapValueCall(SqlCall call) {
boolean unnestMap = call.operandCount() > 0
- && call.getOperandList().stream().allMatch(operand -> operand
instanceof SqlLiteral);
+ && (call.getOperandList().get(0) instanceof SqlLiteral
+ || call.getOperandList().get(1) instanceof SqlLiteral);
if (!unnestMap) {
return call;
}
+
Review Comment:
```suggestion
```
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