i use web.py 0.37
i meet the same question.
i solove it with this way:
edit db.py line no 660 ,change if not self.ctx.transactions: to if not
self.ctx.transactions and self.dbname!="mssql":
bingo
wish to help you
在 2011年8月12日星期五UTC+8下午12时09分08秒，Andre Smit写道：
>
> The following code return no data but the same query using pymssql works
> OK. I've included some of the the debug output - see anything?
> [code]
> import os, sys, web, json
> prog_dir = os.path.dirname(os.path.abspath(__file__))
> sys.path.append(prog_dir)
> urls = (
> '/' , 'Index',
> '/prjs' , 'Projects',
> )
> app = web.application(urls, globals())
> application = app.wsgifunc()
> templates_dir = os.path.join(prog_dir,'templates/')
> render = web.template.render(templates_dir)
> db = web.database(dbn='mssql',user='USER',pw='PW',db='TXCIT',host='myHOST')
> #as_dict=True
> web.config.debug = True
>
> class Index:
>
> def GET(self):
> return render.index()
>
> class Projects:
>
> def GET(self):
> dd = db.select('DB_HMA_PRJ')
> return dd[0].CONT_ID[/code]
>
> <class 'pymssql.OperationalError'> at /prjs No data available. Python
> /usr/lib/python2.7/site-packages/pymssql.py
> in fetchone, line 236 Web GET
> http://pavements2.ce.utexas.edu:8888/txcit/prjs
> Traceback (innermost first)
>
> - /usr/lib/python2.7/site-packages/pymssql.py in fetchone
> 1. raise OperationalError, "No data available." ...
> ▼ Local vars <http://pavements2.ce.utexas.edu:8888/txcit/prjs#>
> VariableValue self
> <pymssql.pymssqlCursor object at 0x9bc6c0c>
> - /usr/lib/python2.7/site-packages/web/db.py in iterwrapper
> 1. row = db_cursor.fetchone() ...
> ▼ Local vars <http://pavements2.ce.utexas.edu:8888/txcit/prjs#>
> VariableValue db_cursor
> <pymssql.pymssqlCursor object at 0x9bc6c0c>
> names
> ['CONT_ID', 'PRJ_NBR', 'LN_ITM_NBR', 'TX_HMA', 'BLAT', 'ELAT', 'BLON',
> 'ELON']
> - /usr/lib/python2.7/site-packages/web/utils.py in __getitem__
> 1. return self.i.next() ...
> ▼ Local vars <http://pavements2.ce.utexas.edu:8888/txcit/prjs#>
> VariableValue i
> 0
> self
> <web.utils.IterBetter instance at 0x9bc6d0c>
>
>
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