server/AyaNova/biz/PartAssemblyBiz.cs

@@ -60,6 +60,36 @@ namespace AyaNova.Biz
             }
         }
 
+        /*
+        static void Main(string[] args)
+    {
+        using (var dbContext = new DbParentChild())
+        {
+            var parent = new Parent
+            {
+                FirstName = "Joe",
+                LastName = "Smith"
+            };
+
+            parent.Children.Add(
+                new Child
+                {
+                    FirstName = "LittleJoe",
+                    LastName = "Smith"
+                });
+            parent.Children.Add(
+                new Child
+                {
+                    FirstName = "Anne",
+                    LastName = "Smith"
+                });
+
+            dbContext.Add(parent);
+            dbContext.SaveChanges();
+        }
+    }
+        */
+
         ////////////////////////////////////////////////////////////////////////////////////////////////
         //DUPLICATE
         //

server/AyaNova/util/AySchema.cs

@@ -23,7 +23,7 @@ namespace AyaNova.Util
         private const int DESIRED_SCHEMA_LEVEL = 15;
 
         internal const long EXPECTED_COLUMN_COUNT = 667;
-        internal const long EXPECTED_INDEX_COUNT = 185;
+        internal const long EXPECTED_INDEX_COUNT = 186;
 
         //!!!!WARNING: BE SURE TO UPDATE THE DbUtil::EmptyBizDataFromDatabaseForSeedingOrImporting WHEN NEW TABLES ADDED!!!!
 
@@ -679,7 +679,7 @@ $BODY$ LANGUAGE PLPGSQL STABLE");
                 await ExecQueryAsync("ALTER TABLE acustomer add column headofficeid bigint null references aheadoffice");
                 await ExecQueryAsync("ALTER TABLE auser add FOREIGN KEY (headofficeid) REFERENCES aheadoffice(id)");
 
-                
+
                 //VENDOR                
                 await ExecQueryAsync("CREATE TABLE avendor (id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY, name text not null unique, active bool not null, " +
                 "notes text, wiki text, customfields text, tags varchar(255) ARRAY, webaddress text, popupnotes text, accountnumber text,  " +
@@ -693,7 +693,7 @@ $BODY$ LANGUAGE PLPGSQL STABLE");
                 //PART                
                 await ExecQueryAsync("CREATE TABLE apart (id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY, name text, active bool not null, " +
                 "notes text, wiki text, customfields text, tags varchar(255) ARRAY, " +
-                "partnumber text not null unique, popupnotes text, manufacturerid bigint REFERENCES avendor, manufacturernumber text, "+
+                "partnumber text not null unique, popupnotes text, manufacturerid bigint REFERENCES avendor, manufacturernumber text, " +
                 "wholesalerid bigint REFERENCES avendor, wholesalernumber text, alternativewholesalerid bigint REFERENCES avendor, alternativewholesalernumber text, " +
                 "cost decimal(19,4) not null, retail decimal(19,4) not null, unitofmeasure text, upc text, trackserialnumber bool not null " +
                 " )");
@@ -708,7 +708,9 @@ $BODY$ LANGUAGE PLPGSQL STABLE");
 
                 //PARTASSEMBLYITEM
                 await ExecQueryAsync("CREATE TABLE apartassemblyitem (id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY, partassemblyid bigint not null REFERENCES apartassembly on delete cascade, " +
-                "partid bigint not null REFERENCES apart)");
+                "partid bigint not null REFERENCES apart, " +
+                "CONSTRAINT UNQ_PartAssemblyPart UNIQUE (partid, partassemblyid) " +//ensure no duplicate parts in the same assembly
+                ")");
                 await ExecQueryAsync("CREATE INDEX idx_apartassemblyitem_part ON apartassemblyitem(partid)");
                 await ExecQueryAsync("CREATE INDEX idx_apartassemblyitem_partassembly ON apartassemblyitem(partassemblyid)");