我試圖使用SQLAlchemy執(zhí)行查詢dev_engine = create_engine('mysql://...')

dev_connect = dev_engine.connect()

prod_connect = prod_engine.connect()

get_dev_instrument = "select * from market_instrument inner join cme_instrument on market_instrument.id = cme_instrument.instrument_id \

inner join tick_size on market_instrument.id = tick_size.instrument_id \

left join futures on market_instrument.id = futures.instrument_id \

left join `options`on market_instrument.id = `options`.instrument_id \

left join spreads on market_instrument.id = spreads.instrument_id \

inner join (select distinct(substring(m.symbol, 1, 2)) as product from market_instrument as m inner join fills as f on m.id=f.instrument_id \

inner join cme_instrument where symbol<>\"\" and fill_timestamp between CURDATE() - INTERVAL 60 DAY AND NOW()) r \

on market_instrument.symbol like concat(r.product, \'%\') \

where symbol not like \'%_old%\' and symbol not like \'%:%\';"

instruments = dev_engine.execute(get_dev_instrument)

我一直得到TypeError: not enough arguments for format string

^{pr2}$

我查找了這個錯誤，但是它說要將要格式化為元組的字符串傳遞，這個錯誤似乎是底層API的一部分，而不是我的代碼。問題是什么？在使用相同的代碼之前，我運行了一個類似長度的查詢，這樣做沒有出現(xiàn)類型錯誤。在

總結

以上是生活随笔為你收集整理的python格式字符串的参数不足_格式字符串的参数不足的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網(wǎng)站內容還不錯，歡迎將生活随笔推薦給好友。