From 312f4225a8b031815a68f87f4e20218ea2d8c270 Mon Sep 17 00:00:00 2001
From: Ian Sullivan <sullii@uw.edu>
Date: Tue, 14 Jan 2025 14:30:29 -0800
Subject: [PATCH] Add nDiaSources to DiaObjectLast

---
 python/lsst/sdm_schemas/schemas/apdb.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/python/lsst/sdm_schemas/schemas/apdb.yaml b/python/lsst/sdm_schemas/schemas/apdb.yaml
index 31e33102..bd17ea6b 100644
--- a/python/lsst/sdm_schemas/schemas/apdb.yaml
+++ b/python/lsst/sdm_schemas/schemas/apdb.yaml
@@ -1,7 +1,7 @@
 ---
 name: "ApdbSchema"
 "@id": "#apdbSchema"
-version: "3.0.0"
+version: "3.1.0"
 description: The Alert Production Database (APDB) contains the catalogs resulting from
   image differencing during nightly Prompt Processing as well as the results of
   daily Solar System Processing.
@@ -2383,6 +2383,11 @@ tables:
     description: Covariance of pmDec and parallax.
     ivoa:ucd: stat.covariance
     fits:tunit: mas**2/yr
+  - name: nDiaSources
+    "@id": "#DiaObjectLast.nDiaSources"
+    datatype: int
+    nullable: false
+    description: Total number of DiaSources associated with this DiaObject.
   primaryKey: "#DiaObjectLast.diaObjectId"
 - name: MPCORB
   "@id": "#MPCORB"