[#5026] add index on artifact_reference.project_id for reindex cmd
diff --git a/Allura/allura/model/index.py b/Allura/allura/model/index.py
index 174f490..8d82b00 100644
--- a/Allura/allura/model/index.py
+++ b/Allura/allura/model/index.py
@@ -31,7 +31,9 @@
project_id=S.ObjectId(),
app_config_id=S.ObjectId(),
artifact_id=S.Anything(if_missing=None))),
- Field('references', [str], index=True))
+ Field('references', [str], index=True),
+ Index('artifact_reference.project_id'), # used in ReindexCommand
+)
ShortlinkDoc = collection(
'shortlink', main_doc_session,