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bot_id migration fix

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This commit is contained in:
Nullart2 2018-08-29 18:43:56 +08:00
parent b9a32b802c
commit 6fe00b4c2b
1 changed files with 5 additions and 5 deletions
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10
freqtrade/persistence.py
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@ -54,7 +54,8 @@ def init(config: Dict) -> None:
Trade.query = session.query_property()
_DECL_BASE.metadata.create_all(engine)
bot_id = config.get('bot_id', '0')
check_migrate(engine, bot_id)
if check_migrate(engine):
migrate(engine, bot_id)
# Clean dry_run DB if the db is not in-memory
if config.get('dry_run', False) and db_url != 'sqlite://':
@ -69,7 +70,7 @@ def get_column_def(columns, column: str, default: str) -> str:
return default if not has_column(columns, column) else column
def check_migrate(engine, bot_id_value) -> None:
def check_migrate(engine) -> bool:
"""
Checks if migration is necessary and migrates if necessary
"""
@ -88,8 +89,7 @@ def check_migrate(engine, bot_id_value) -> None:
if not has_column(cols, 'ticker_interval'):
needs_migration = True
if needs_migration:
migrate(engine, bot_id_value)
return needs_migration
def migrate(engine, bot_id_str) -> None:
@ -114,7 +114,7 @@ def migrate(engine, bot_id_str) -> None:
sell_reason = get_column_def(cols, 'sell_reason', 'null')
strategy = get_column_def(cols, 'strategy', 'null')
ticker_interval = get_column_def(cols, 'ticker_interval', 'null')
bot_id = get_column_def(cols, 'bot_id', bot_id_str)
bot_id = bot_id_str
# Schema migration necessary
engine.execute(f"alter table trades rename to {table_back_name}")