try to use NullPool to fix idle connection issue (#121)

* try to use NullPool to fix idle connection issue * omit session.rollback * add engine.dispose again * Bump versions of pre-commit tools * Delete old ixmp version of transport tutorial --------- Co-authored-by: Fridolin Glatter <[email protected]>
iiasa · Oct 17, 2024 · e3ee9c8 · e3ee9c8
1 parent 45bb224
commit e3ee9c8
Show file tree

Hide file tree

Showing 3 changed files with 3 additions and 472 deletions.
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -1,12 +1,12 @@
 repos:
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: v1.8.0
+  rev: v1.12.0
   hooks:
   - id: mypy
     entry: bash -c "poetry run mypy ."
     language: system
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.3.3
+  rev: v0.6.9
   hooks:
   - id: ruff
   - id: ruff-format

diff --git a/ixmp4/data/backend/db.py b/ixmp4/data/backend/db.py
@@ -43,7 +43,7 @@
 
 @lru_cache()
 def cached_create_engine(dsn: str) -> Engine:
-    return create_engine(dsn, pool_pre_ping=True)
+    return create_engine(dsn, poolclass=NullPool)
 
 
 class IamcSubobject(BaseIamcSubobject):