Hi,
there should be something wrong going on.
As a first step, I'd write a simple query (i.e., select(db.table.ALL,
limit=(0,10)) using pydal (the database abstraction layer used in web2py)
and try to find out in which version has been introduced this performance
issue. If you don't find a performance issue on pydal, then there should be
something in the SQLFORM.grid part.
Paolo
On Sunday, November 8, 2015 at 6:16:31 AM UTC+1, tomt wrote:
>
> Hi,
>
> I encountered really slow responses when I was using my web2py app to
> access an oracle database. I tried to use dbstats in response.toolbar to
> measure this, but it wouldn't show the sql or any timing information. I
> decided to try downgrading to an older web2py version, 2.11.2, and noticed
> a dramatic change.
>
> web2py 2.11.2 query took 4 seconds
> web2py 2.12.3 query took > 2 minutes
>
> I've tried this several times, with the same result. Were there any
> changes in web2py that could account for this?
>
> The query I am running was passed to sqlform.grid
>
> soequery = ( (db2.soe_tdb.utctime > fromdate)&\
> (db2.soe_tdb.utctime < todate)&\
> (db2.soe_tdb.stationname.belongs(stationlist))&\
> (db2.soe_tdb.pointnumber == db2.statuspoint.pointnumber)&\
> (db2.statuspoint.pointaccessarea ==
> db2.accessareaassignment.setnumber)&\
> (db2.accessareaassignment.referencename == 'SOE')&\
> ~(db2.statuspoint.pointname.like('%@%')) )
>
> orderby = [db2.soe_tdb.utctime]
>
> grid=SQLFORM.grid(
> query=soequery,
> deletable=False,editable=False,details=False,
> searchable=True,fields=fields,headers=headers,
> paginate=10,csv=False,maxtextlengths=maxtextlengths,
> orderby=orderby,
> )
>
> Please let me know if there is any other information that I could provide
> to try to resolve this.
>
> Thanks in advance, - Tom
>
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