asolimando commented on code in PR #2782:
URL: https://github.com/apache/calcite/pull/2782#discussion_r859875686
##########
core/src/main/java/org/apache/calcite/sql/fun/SqlDatePartFunction.java:
##########
@@ -56,6 +58,11 @@ public SqlDatePartFunction(String name, TimeUnit timeUnit) {
@Override public SqlNode rewriteCall(SqlValidator validator, SqlCall call) {
final List<SqlNode> operands = call.getOperandList();
+
+ Preconditions.checkArgument(operands.size() == 1,
+ String.format("Invalid number of arguments to function '%s'."
+ + " Was expecting 1 arguments", getName()));
Review Comment:
Nitpick suggestion:
```suggestion
Preconditions.checkArgument(operands.size() == 1,
String.format("Invalid number of arguments for function '%s'."
+ " Was expecting 1 argument, found %d", getName(),
operands.size()));
```
If you agree, then please update also the test results accordingly.
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