private void createAlias(String alias, String collections)
throws SolrServerException, IOException {
if (random().nextBoolean()) {
ModifiableSolrParams params = new ModifiableSolrParams();
params.set("collections", collections);
params.set("name", alias);
params.set("action", CollectionAction.CREATEALIAS.toString());
QueryRequest request = new QueryRequest(params);
request.setPath("/admin/collections");
NamedList<Object> result =
createNewSolrServer("", getBaseUrl((HttpSolrServer) clients.get(0))).request(request);
} else {
CollectionAdminResponse resp =
CollectionAdminRequest.CreateAlias.createAlias(
alias,
collections,
createNewSolrServer("", getBaseUrl((HttpSolrServer) clients.get(0))));
}
}
private void testJoins(String toColl, String fromColl, Integer toDocId, boolean isScoresTest)
throws SolrServerException, IOException {
// verify the join with fromIndex works
final String fromQ = "match_s:c^2";
CloudSolrClient client = cluster.getSolrClient();
{
final String joinQ =
"{!join "
+ anyScoreMode(isScoresTest)
+ "from=join_s fromIndex="
+ fromColl
+ " to=join_s}"
+ fromQ;
QueryRequest qr =
new QueryRequest(params("collection", toColl, "q", joinQ, "fl", "id,get_s,score"));
QueryResponse rsp = new QueryResponse(client.request(qr), client);
SolrDocumentList hits = rsp.getResults();
assertTrue("Expected 1 doc, got " + hits, hits.getNumFound() == 1);
SolrDocument doc = hits.get(0);
assertEquals(toDocId, doc.getFirstValue("id"));
assertEquals("b", doc.getFirstValue("get_s"));
assertScore(isScoresTest, doc);
}
// negative test before creating an alias
checkAbsentFromIndex(fromColl, toColl, isScoresTest);
// create an alias for the fromIndex and then query through the alias
String alias = fromColl + "Alias";
CollectionAdminRequest.CreateAlias request =
CollectionAdminRequest.createAlias(alias, fromColl);
request.process(client);
{
final String joinQ =
"{!join "
+ anyScoreMode(isScoresTest)
+ "from=join_s fromIndex="
+ alias
+ " to=join_s}"
+ fromQ;
final QueryRequest qr =
new QueryRequest(params("collection", toColl, "q", joinQ, "fl", "id,get_s,score"));
final QueryResponse rsp = new QueryResponse(client.request(qr), client);
final SolrDocumentList hits = rsp.getResults();
assertTrue("Expected 1 doc", hits.getNumFound() == 1);
SolrDocument doc = hits.get(0);
assertEquals(toDocId, doc.getFirstValue("id"));
assertEquals("b", doc.getFirstValue("get_s"));
assertScore(isScoresTest, doc);
}
// negative test after creating an alias
checkAbsentFromIndex(fromColl, toColl, isScoresTest);
{
// verify join doesn't work if no match in the "from" index
final String joinQ =
"{!join "
+ (anyScoreMode(isScoresTest))
+ "from=join_s fromIndex="
+ fromColl
+ " to=join_s}match_s:d";
final QueryRequest qr =
new QueryRequest(params("collection", toColl, "q", joinQ, "fl", "id,get_s,score"));
final QueryResponse rsp = new QueryResponse(client.request(qr), client);
final SolrDocumentList hits = rsp.getResults();
assertTrue("Expected no hits", hits.getNumFound() == 0);
}
}