{{=response.toolbar()}} includes a button for all the queries and their
execution times (this is also available as a list of 2-tuples in
db._timings).
Anthony
On Tuesday, June 4, 2013 10:05:49 AM UTC-4, guruyaya wrote:
>
> OK, so I could be wrong about this.
> Is there a way to get the number of GAE datastore reads per request?
>
> On Tuesday, June 4, 2013 12:25:06 PM UTC+3, guruyaya wrote:
>>
>> Lets examine this code for a sec:
>> db.define_table('table1',Field('name'))
>> db.define_table('table2',Field('table1', db.table1), Field('name2'))
>>
>> Now, if I need a list of all table2 entries, but not the table1 entries,
>> I'll do something like this:
>>
>> retVal = []
>> for entity in db(db.table2.id > 0).select():
>> retVal += entity.name2
>>
>> BUT
>> As you well know, web2py acctuall did ask for table1 info, just in case
>> I'll do this:
>>
>> retVal = []
>> for entity in db(db.table2.id > 0).select():
>> retVal += entity.table1.name
>>
>> On a normal hosting, it doesn't matter that much, but on GAE, it does an
>> extra query to the datastore, and that's just a waste.
>> Is there a way to avoid that?
>>
>> Thanks in advance
>> Yair
>>
>
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