Files
echoes-of-the-ash/migrations/migrate_fix_damage_constraint.py
2026-02-05 15:00:49 +01:00

47 lines
1.4 KiB
Python

#!/usr/bin/env python3
"""
Migration: Drop valid_damage constraint from player_status_effects table.
This constraint prevents negative damage (healing) for status effects.
"""
import asyncio
import os
import sys
# Add parent directory to path
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from sqlalchemy.ext.asyncio import create_async_engine
from sqlalchemy import text
DB_USER = os.getenv("POSTGRES_USER")
DB_PASS = os.getenv("POSTGRES_PASSWORD")
DB_NAME = os.getenv("POSTGRES_DB")
DB_HOST = os.getenv("POSTGRES_HOST", "echoes_of_the_ashes_db")
DB_PORT = os.getenv("POSTGRES_PORT", "5432")
DATABASE_URL = f"postgresql+psycopg://{DB_USER}:{DB_PASS}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
async def run_migration():
engine = create_async_engine(DATABASE_URL, echo=True)
async with engine.begin() as conn:
print("Removing restrictive constraint from player_status_effects table...")
try:
await conn.execute(text("""
ALTER TABLE player_status_effects
DROP CONSTRAINT IF EXISTS valid_damage
"""))
print("✓ Dropped valid_damage constraint")
except Exception as e:
print(f"Error dropping constraint: {e}")
print("\n✓ Migration completed successfully!")
await engine.dispose()
if __name__ == "__main__":
asyncio.run(run_migration())