From 4a17d9ec0e0f29364bc6006920b700d76d9b3ef4 Mon Sep 17 00:00:00 2001
From: guillermo <guillermo@verdnatura.es>
Date: Sun, 6 Oct 2024 09:07:48 +0200
Subject: [PATCH] fix: refs #7760 collection_assing

---
 db/routines/vn/procedures/collection_assign.sql | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/db/routines/vn/procedures/collection_assign.sql b/db/routines/vn/procedures/collection_assign.sql
index ba83f1fbb..c2d4a34ef 100644
--- a/db/routines/vn/procedures/collection_assign.sql
+++ b/db/routines/vn/procedures/collection_assign.sql
@@ -118,9 +118,19 @@ BEGIN
 	IF vCollectionFk IS NULL THEN
 		CALL collection_new(vUserFk, vCollectionFk);
 
-		UPDATE `collection`
-			SET workerFk = vUserFk
-			WHERE id = vCollectionFk;
+		START TRANSACTION;
+
+		SELECT workerFk INTO vCollectionWorker
+			FROM `collection` 
+			WHERE id = vCollectionFk FOR UPDATE;
+
+		IF vCollectionWorker IS NULL THEN
+			UPDATE `collection`
+				SET workerFk = vUserFk
+				WHERE id = vCollectionFk;
+		END IF;
+
+		COMMIT;
 	END IF;
 END$$
 DELIMITER ;
\ No newline at end of file