Rework primary keys in the match list scouting database

We don't need a separate ID for the rows in the match list table. We
really just care about a unique combination of `MatchNumber`, `Round`,
and `CompLevel`.

This will make it easier to update an existing match list. We
currently don't support this.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I7d42dab7695cfee4844bbb7660ed820bb083b199
diff --git a/scouting/webserver/requests/debug/cli/cli_test.py b/scouting/webserver/requests/debug/cli/cli_test.py
index 5b0c749..bd1b13d 100644
--- a/scouting/webserver/requests/debug/cli/cli_test.py
+++ b/scouting/webserver/requests/debug/cli/cli_test.py
@@ -52,7 +52,7 @@
             "event_code": event_code,
         })
         exit_code, stdout, stderr = run_debug_cli(["-refreshMatchList", json_path])
-        self.assertEqual(exit_code, 0, stderr)
+        self.assertEqual(exit_code, 0, f"{year}{event_code}: {stderr}")
         self.assertIn("(refresh_match_list_response.RefreshMatchListResponseT)", stdout)
 
     def test_submit_and_request_data_scouting(self):
diff --git a/scouting/webserver/requests/requests.go b/scouting/webserver/requests/requests.go
index d67f5e9..8132c3d 100644
--- a/scouting/webserver/requests/requests.go
+++ b/scouting/webserver/requests/requests.go
@@ -391,15 +391,14 @@
 		// Add the match to the database.
 		err = handler.db.AddToMatch(db.Match{
 			MatchNumber: int32(match.MatchNumber),
-			// TODO(phil): What does Round mean?
-			Round:     1,
-			CompLevel: match.CompLevel,
-			R1:        red[0],
-			R2:        red[1],
-			R3:        red[2],
-			B1:        blue[0],
-			B2:        blue[1],
-			B3:        blue[2],
+			Round:       int32(match.SetNumber),
+			CompLevel:   match.CompLevel,
+			R1:          red[0],
+			R2:          red[1],
+			R3:          red[2],
+			B1:          blue[0],
+			B2:          blue[1],
+			B3:          blue[2],
 		})
 		if err != nil {
 			respondWithError(w, http.StatusInternalServerError, fmt.Sprintf(
diff --git a/scouting/webserver/requests/requests_test.go b/scouting/webserver/requests/requests_test.go
index b864cf3..e2d9219 100644
--- a/scouting/webserver/requests/requests_test.go
+++ b/scouting/webserver/requests/requests_test.go
@@ -360,6 +360,7 @@
 			{
 				CompLevel:   "qual",
 				MatchNumber: 1,
+				SetNumber:   2,
 				Alliances: scraping.Alliances{
 					Red: scraping.Alliance{
 						TeamKeys: []string{
@@ -411,7 +412,7 @@
 	expectedMatches := []db.Match{
 		{
 			MatchNumber: 1,
-			Round:       1,
+			Round:       2,
 			CompLevel:   "qual",
 			R1:          100,
 			R2:          200,