From 07d0b43d4c75738a68651dccf748320a3967f06c Mon Sep 17 00:00:00 2001
From: rr- <rr-@sakuya.pl>
Date: Thu, 2 Feb 2017 19:39:57 +0100
Subject: [PATCH] server/posts: reduce warnings from sqlalchemy
...regarding empty IN() statements
---
server/szurubooru/func/posts.py | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/server/szurubooru/func/posts.py b/server/szurubooru/func/posts.py
index 49f384c..de58db0 100644
--- a/server/szurubooru/func/posts.py
+++ b/server/szurubooru/func/posts.py
@@ -378,10 +378,13 @@ def update_post_relations(post, new_post_ids):
'A relation must be numeric post ID.')
old_posts = post.relations
old_post_ids = [int(p.post_id) for p in old_posts]
- new_posts = db.session \
- .query(db.Post) \
- .filter(db.Post.post_id.in_(new_post_ids)) \
- .all()
+ if new_post_ids:
+ new_posts = db.session \
+ .query(db.Post) \
+ .filter(db.Post.post_id.in_(new_post_ids)) \
+ .all()
+ else:
+ new_posts = []
if len(new_posts) != len(new_post_ids):
raise InvalidPostRelationError('One of relations does not exist.')
if post.post_id in new_post_ids: