walterddr commented on code in PR #10472:
URL: https://github.com/apache/pinot/pull/10472#discussion_r1152692167
##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/operator/operands/FunctionOperand.java:
##########
@@ -52,6 +52,9 @@ public FunctionOperand(RexExpression.FunctionCall
functionCall, DataSchema dataS
_resultName = computeColumnName(functionCall.getFunctionName(),
_childOperandList);
// TODO: Check type match between functionCall's data type and result type.
_resultType =
FunctionUtils.getColumnDataType(_functionInvoker.getResultClass());
+
+ boolean isTypeMatched = functionCall.getDataType() ==
_resultType.toDataType();
+ Preconditions.checkState(isTypeMatched, "Mismatch function data type and
result type");
Review Comment:
thank you will do. i also asked for more examples from @ankitsultana in the
original issue. let's wait for a bit and add more test cases
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