SOLR-8443: Change /stream handler http param from stream to expr

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1720849 13f79535-47bb-0310-9956-ffa450edef68

solr/CHANGES.txt

@@ -196,6 +196,8 @@ Other Changes
 
 * SOLR-8426: Enable /export, /stream and /sql handlers by default and remove them from example configs.  (shalin)
 
+* SOLR-8443: Change /stream handler http param from "stream" to "expr" (Joel Bernstein, Dennis Gove)
+
 
 ======================= 5.5.0 =======================
 

solr/core/src/java/org/apache/solr/handler/StreamHandler.java

@@ -152,7 +152,7 @@ public class StreamHandler extends RequestHandlerBase implements SolrCoreAware {
     TupleStream tupleStream = null;
 
     try {
-      tupleStream = this.streamFactory.constructStream(params.get("stream"));
+      tupleStream = this.streamFactory.constructStream(params.get("expr"));
     } catch (Exception e) {
       //Catch exceptions that occur while the stream is being created. This will include streaming expression parse rules.
       SolrException.log(logger, e);

solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/ParallelStream.java

@@ -257,7 +257,7 @@ public class ParallelStream extends CloudSolrStream implements Expressible {
         params.put("distrib","false"); // We are the aggregator.
         params.put("numWorkers", workers);
         params.put("workerID", w);
-        params.put("stream", pushStream);
+        params.put("expr", pushStream);
         params.put("qt","/stream");
         Replica rep = shuffler.get(w);
         ZkCoreNodeProps zkProps = new ZkCoreNodeProps(rep);