abhioncbr commented on code in PR #12338:
URL: https://github.com/apache/pinot/pull/12338#discussion_r1498561873
##########
pinot-broker/src/main/java/org/apache/pinot/broker/api/resources/PinotClientRequest.java:
##########
@@ -348,4 +349,25 @@ private static HttpRequesterIdentity
makeHttpIdentity(org.glassfish.grizzly.http
return identity;
}
+
+ /**
+ * Generate Response object from the BrokerResponse object with
'X-Pinot-Error-Code' header value
+ * @param brokerResponse
+ * @return Response
+ * @throws Exception
+ */
+ private static Response getPinotQueryResponse(BrokerResponse brokerResponse)
+ throws Exception {
+ int headerValue = -1; // default value of the header.
+
+ if (brokerResponse.getExceptionsSize() != 0) {
+ // set the header value as first exception error code value.
+ headerValue =
brokerResponse.getProcessingExceptions().get(0).getErrorCode();
+ }
+
+ // returning the Response with OK status and header value.
+ return Response.ok()
+ .header(PINOT_QUERY_ERROR_CODE_HEADER, headerValue)
Review Comment:
I agree. In the future, we can extend this header approach based on the
use-case requirements.
Also, as @ankitsultana mentioned, we should have a convention around error
codes, but we need to figure out how end users use it and how we can introduce
better error codes with backward compatibility.
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