Jackie-Jiang commented on code in PR #15046:
URL: https://github.com/apache/pinot/pull/15046#discussion_r1953295349
##########
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/BaseSingleStageBrokerRequestHandler.java:
##########
@@ -299,601 +299,609 @@ protected BrokerResponse handleRequest(long requestId,
String query, SqlNodeAndO
Tracing.ThreadAccountantOps.setupRunner(String.valueOf(requestId));
try {
- // Compile the request into PinotQuery
- long compilationStartTimeNs = System.nanoTime();
- PinotQuery pinotQuery;
- try {
- pinotQuery = CalciteSqlParser.compileToPinotQuery(sqlNodeAndOptions);
- } catch (Exception e) {
- LOGGER.info("Caught exception while compiling SQL request {}: {}, {}",
requestId, query, e.getMessage());
-
_brokerMetrics.addMeteredGlobalValue(BrokerMeter.REQUEST_COMPILATION_EXCEPTIONS,
1);
- requestContext.setErrorCode(QueryException.SQL_PARSING_ERROR_CODE);
- // Check if the query is a v2 supported query
- String database =
DatabaseUtils.extractDatabaseFromQueryRequest(sqlNodeAndOptions.getOptions(),
httpHeaders);
- if (ParserUtils.canCompileWithMultiStageEngine(query, database,
_tableCache)) {
- return new
BrokerResponseNative(QueryException.getException(QueryException.SQL_PARSING_ERROR,
new Exception(
- "It seems that the query is only supported by the multi-stage
query engine, please retry the query using "
- + "the multi-stage query engine "
- +
"(https://docs.pinot.apache.org/developers/advanced/v2-multi-stage-query-engine)")));
- } else {
- return new
BrokerResponseNative(QueryException.getException(QueryException.SQL_PARSING_ERROR,
e));
- }
- }
-
- if (isDefaultQueryResponseLimitEnabled() && !pinotQuery.isSetLimit()) {
- pinotQuery.setLimit(_defaultQueryLimit);
- }
+ return handleRequestImpl(requestId, query, sqlNodeAndOptions, request,
requesterIdentity, requestContext,
+ httpHeaders, accessControl);
+ } finally {
+ Tracing.ThreadAccountantOps.clear();
+ }
+ }
- if (isLiteralOnlyQuery(pinotQuery)) {
- LOGGER.debug("Request {} contains only Literal, skipping server query:
{}", requestId, query);
- try {
- if (pinotQuery.isExplain()) {
- // EXPLAIN PLAN results to show that query is evaluated
exclusively by Broker.
- return BrokerResponseNative.BROKER_ONLY_EXPLAIN_PLAN_OUTPUT;
- }
- return processLiteralOnlyQuery(requestId, pinotQuery,
requestContext);
- } catch (Exception e) {
- // TODO: refine the exceptions here to early termination the queries
won't requires to send to servers.
- LOGGER.warn("Unable to execute literal request {}: {} at broker,
fallback to server query. {}", requestId,
- query, e.getMessage());
- }
+ protected BrokerResponse handleRequestImpl(long requestId, String query,
SqlNodeAndOptions sqlNodeAndOptions,
Review Comment:
(minor) We usually name the actual impl method as `doHandleRequest()`
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