Additional unique index correction (#1885)

sabre1041 · web-flow · commit 64ab43549d90 · 2023-12-07T20:46:01.000-05:00
Signed-off-by: Andrew Block &lt;andy.block@gmail.com&gt;
diff --git a/scripts/storage.sql b/scripts/storage.sql
@@ -75,7 +75,7 @@ CREATE TABLE IF NOT EXISTS TreeHead(
   FOREIGN KEY(TreeId) REFERENCES Trees(TreeId) ON DELETE CASCADE
 );
 
-CREATE UNIQUE INDEX TreeHeadRevisionIdx
+CREATE UNIQUE INDEX IF NOT EXISTS TreeHeadRevisionIdx
   ON TreeHead(TreeId, TreeRevision);
 
 -- ---------------------------------------------
