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Merge pull request #734 from Yohoman/dev

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Update dataService.py
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vn.py 2018-02-14 12:58:34 +08:00 committed by GitHub
commit c99a085daa
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1 changed files with 3 additions and 3 deletions
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examples/QuantosDataService/dataService.py
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@ -84,8 +84,9 @@ def generateVtBar(row):
def downMinuteBarBySymbol(api, vtSymbol, startDate, endDate=''): def downMinuteBarBySymbol(api, vtSymbol, startDate, endDate=''):
"""下载某一合约的分钟线数据""" """下载某一合约的分钟线数据"""
start = time() start = time()
cl = db[vtSymbol] code, exchange = vtSymbol.split('.')
cl = db[code]
cl.ensure_index([('datetime', ASCENDING)], unique=True) # 添加索引 cl.ensure_index([('datetime', ASCENDING)], unique=True) # 添加索引
dt = datetime.strptime(startDate, '%Y%m%d') dt = datetime.strptime(startDate, '%Y%m%d')
@ -96,7 +97,6 @@ def downMinuteBarBySymbol(api, vtSymbol, startDate, endDate=''):
end = datetime.now() end = datetime.now()
delta = timedelta(1) delta = timedelta(1)
code, exchange = vtSymbol.split('.')
symbol = '.'.join([code, exchangeMap[exchange]]) symbol = '.'.join([code, exchangeMap[exchange]])
while dt <= end: while dt <= end: