Orderer/db_setup/indices.py

from sqlite3 import Cursor


def create_indices(cursor: Cursor):
    print(' - Creating indices...')
    print(' - Creating indices...')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS ownership_ownable
                ON ownership (ownable_id)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS transactions_ownable
                ON transactions (ownable_id)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS orders_expiry
                ON orders (expiry_dt)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS orders_ownership
                ON orders (ownership_id)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS orders_limit
                ON orders ("limit")
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS transactions_dt
                ON transactions (dt)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS news_dt
                ON news (dt)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS ownables_name
                ON ownables (name)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS users_name
                ON users (username)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS sessions_id
                ON sessions (session_id)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS sessions_user
                ON sessions (user_id)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS transactions_seller
                ON transactions (seller_id)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS transactions_buyer
                ON transactions (buyer_id)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS order_history_id
                ON order_history (order_id)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS order_canceled
                ON order_history (archived_dt)
                ''')
    cursor.execute('''
                CREATE INDEX IF NOT EXISTS order_history_ownership
                ON order_history (ownership_id)
                ''')