kfaraz commented on a change in pull request #11566:
URL: https://github.com/apache/druid/pull/11566#discussion_r686535216
##########
File path:
services/src/main/java/org/apache/druid/server/router/TieredBrokerHostSelector.java
##########
@@ -257,6 +267,37 @@ public String getDefaultServiceName()
return new Pair<>(brokerServiceName, nodesHolder.pick());
}
+ public Pair<String, Server> selectForSql(SqlQuery sqlQuery)
+ {
+ synchronized (lock) {
+ if (!ruleManager.isStarted() || !started) {
+ return getDefaultLookup();
+ }
+ }
+
+ // Resolve brokerServiceName using Tier selector strategies
+ String brokerServiceName = null;
+ for (TieredBrokerSelectorStrategy strategy : strategies) {
+ final Optional<String> optionalName =
strategy.getBrokerServiceName(tierConfig, sqlQuery);
+ if (optionalName.isPresent()) {
+ brokerServiceName = optionalName.get();
+ break;
+ }
+ }
+
+ // Use defaut if not resolved by strategies
+ if (brokerServiceName == null) {
+ log.error(
+ "No brokerServiceName found for SQL Query [%s]. Using default
selector for [%s].",
Review comment:
Sounds good.
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