adelorenzo/stable
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Migrations for indexes should run in a seperate session

Browse Source 
closes #5349
This commit is contained in:
Matthias
2021-07-31 16:36:28 +02:00
parent 1ccc89d1e9
commit c5e3348b89
3 changed files with 8 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
freqtrade/persistence/migrations.py
View File

@@ -65,7 +65,8 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
# Schema migration necessary
with engine.begin() as connection:
connection.execute(text(f"alter table trades rename to {table_back_name}"))
# drop indexes on backup table
with engine.begin() as connection:
# drop indexes on backup table in new session
for index in inspector.get_indexes(table_back_name):
connection.execute(text(f"drop index {index['name']}"))
# let SQLAlchemy create the schema as required
@@ -76,7 +77,7 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
connection.execute(text(f"""insert into trades
(id, exchange, pair, is_open,
fee_open, fee_open_cost, fee_open_currency,
fee_close, fee_close_cost, fee_open_currency, open_rate,
fee_close, fee_close_cost, fee_close_currency, open_rate,
open_rate_requested, close_rate, close_rate_requested, close_profit,
stake_amount, amount, amount_requested, open_date, close_date, open_order_id,
stop_loss, stop_loss_pct, initial_stop_loss, initial_stop_loss_pct,
@@ -84,14 +85,7 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
max_rate, min_rate, sell_reason, sell_order_status, strategy, buy_tag,
timeframe, open_trade_value, close_profit_abs
)
select id, lower(exchange),
case
when instr(pair, '_') != 0 then
substr(pair, instr(pair, '_') + 1) || '/' ||
substr(pair, 1, instr(pair, '_') - 1)
else pair
end
pair,
select id, lower(exchange), pair,
is_open, {fee_open} fee_open, {fee_open_cost} fee_open_cost,
{fee_open_currency} fee_open_currency, {fee_close} fee_close,
{fee_close_cost} fee_close_cost, {fee_close_currency} fee_close_currency,
@@ -132,7 +126,9 @@ def migrate_orders_table(decl_base, inspector, engine, table_back_name: str, col
with engine.begin() as connection:
connection.execute(text(f"alter table orders rename to {table_back_name}"))
# drop indexes on backup table
with engine.begin() as connection:
# drop indexes on backup table in new session
for index in inspector.get_indexes(table_back_name):
connection.execute(text(f"drop index {index['name']}"))