Files
terra-view/backend/migrate_fix_end_date_nullable.py
2026-02-06 20:40:31 +00:00

106 lines
3.3 KiB
Python

"""
Migration: Make job_reservations.end_date nullable for TBD support
SQLite doesn't support ALTER COLUMN, so we need to:
1. Create a new table with the correct schema
2. Copy data
3. Drop old table
4. Rename new table
"""
import sqlite3
import sys
from pathlib import Path
def migrate(db_path: str):
"""Run the migration."""
print(f"Migrating database: {db_path}")
conn = sqlite3.connect(db_path)
cursor = conn.cursor()
try:
# Check if job_reservations table exists
cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='job_reservations'")
if not cursor.fetchone():
print("job_reservations table does not exist. Skipping migration.")
return
# Check current schema
cursor.execute("PRAGMA table_info(job_reservations)")
columns = cursor.fetchall()
col_info = {row[1]: row for row in columns}
# Check if end_date is already nullable (notnull=0)
if 'end_date' in col_info and col_info['end_date'][3] == 0:
print("end_date is already nullable. Skipping table recreation.")
return
print("Recreating job_reservations table with nullable end_date...")
# Create new table with correct schema
cursor.execute("""
CREATE TABLE job_reservations_new (
id TEXT PRIMARY KEY,
name TEXT NOT NULL,
project_id TEXT,
start_date DATE NOT NULL,
end_date DATE,
estimated_end_date DATE,
end_date_tbd BOOLEAN DEFAULT 0,
assignment_type TEXT NOT NULL DEFAULT 'quantity',
device_type TEXT DEFAULT 'seismograph',
quantity_needed INTEGER,
notes TEXT,
color TEXT DEFAULT '#3B82F6',
created_at DATETIME,
updated_at DATETIME
)
""")
# Copy existing data
cursor.execute("""
INSERT INTO job_reservations_new
SELECT
id, name, project_id, start_date, end_date,
COALESCE(estimated_end_date, NULL) as estimated_end_date,
COALESCE(end_date_tbd, 0) as end_date_tbd,
assignment_type, device_type, quantity_needed, notes, color,
created_at, updated_at
FROM job_reservations
""")
# Drop old table
cursor.execute("DROP TABLE job_reservations")
# Rename new table
cursor.execute("ALTER TABLE job_reservations_new RENAME TO job_reservations")
# Recreate index
cursor.execute("CREATE INDEX IF NOT EXISTS ix_job_reservations_id ON job_reservations (id)")
cursor.execute("CREATE INDEX IF NOT EXISTS ix_job_reservations_project_id ON job_reservations (project_id)")
conn.commit()
print("Migration completed successfully!")
except Exception as e:
print(f"Migration failed: {e}")
conn.rollback()
raise
finally:
conn.close()
if __name__ == "__main__":
# Default to dev database
db_path = "./data-dev/seismo_fleet.db"
if len(sys.argv) > 1:
db_path = sys.argv[1]
if not Path(db_path).exists():
print(f"Database not found: {db_path}")
sys.exit(1)
migrate(db_path)