Be clearer, which databases are you using as a legacy? And what kind of
operation do you want to do?
[image: http://itjp.net.br] <http://itjp.net.br>
http://itjp.net.b <http://itjp.net.br>r
*Ovidio Marinho Falcao Neto*
ovidio...@gmail.com
Brasil
2018-01-25 9:46 GMT-03:00 'DenesL' via web2py-users <web2py@googlegroups.com
>:
> Hi Ovidio,
>
> the issue is that appadmin seems to be generating improper links to
> display records in legacy databases.
> The sample code given to reproduce it, although not from a real scenario
> is syntactically correct.
>
> Can anyone else reproduce the issue?.
>
> Thanks,
> Denes
>
>
> On Wednesday, January 24, 2018 at 6:35:07 PM UTC-5, Ovidio Marinho wrote:
>>
>> What is the need for you to create a primary key in a field name or char?
>> look this:
>> It defines, stores and returns a Table object called "person" containing
>> a field (column) "name". This object can also be accessed via db.person, so
>> you do not need to catch the return value.
>> id: Notes about the primary key
>>
>> Do not declare a field called "id", because one is created by web2py
>> anyway. Every table has a field called "id" by default. It is an
>> auto-increment integer field (starting at 1) used for cross-reference and
>> for making every record unique, so "id" is a primary key. (Note: the id
>> counter starting at 1 is back-end specific. For example, this does not
>> apply to the Google App Engine NoSQL.)
>>
>> Optionally you can define a Field of type='id' and web2py will use this
>> field as auto-increment id field. This is not recommended except when
>> accessing legacy database tables which have a primary key under a different
>> name. With some limitation, you can also use different primary keys using
>> the primarykey parameter. primarykey is explained shortly below.
>> http://www.web2py.com/books/default/chapter/29/06/the-databa
>> se-abstraction-layer#id--Notes-about-the-primary-key
>>
>> a good practice of development is not creating primary keys are named,
>> another element would be important to social security + name ,for example.
>>
>> Hope this helps.
>>
>>
>>
>>
>> [image: http://itjp.net.br] <http://itjp.net.br>
>> http://itjp.net.b <http://itjp.net.br>r
>> *Ovidio Marinho Falcao Neto*
>> ovidio...@gmail.com
>> Brasil
>>
>>
>> 2018-01-24 19:54 GMT-03:00 'DenesL' via web2py-users <
>> web2py@googlegroups.com>:
>>
>>> Testing web2py 2.16.01 installed from source on Windows 8 with Python
>>> 2.7.14
>>>
>>> I have two tables on MS SQL Server 2012, one is legacy, the other not:
>>>
>>> w2p.define_table('person',
>>> Field('name', 'string', length=100, notnull=True),
>>> Field('info', 'string', length=100),
>>> primarykey=['name']
>>> )
>>>
>>> w2p.define_table('persona',
>>> Field('name', 'string', length=100, notnull=True),
>>> Field('info', 'string', length=100)
>>> )
>>>
>>> The appadmin shows the records for both tables but the legacy anchors to
>>> display each record are being incorrectly generated as:
>>>
>>> <a href="<function <lambda> at 0x00000000071AAEB8>/person?name=Ana">Ana
>>> </a>
>>>
>>> http://10.0.0.27:8000/test/appadmin/select/%3Cfunction%20%
>>> 3Clambda%3E%20at%200x00000000071AAEB8%3E/person?name=Ana
>>>
>>> Regards,
>>> Denes
>>>
>>> --
>>> Resources:
>>> - http://web2py.com
>>> - http://web2py.com/book (Documentation)
>>> - http://github.com/web2py/web2py (Source code)
>>> - https://code.google.com/p/web2py/issues/list (Report Issues)
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>>
>> --
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> - http://web2py.com/book (Documentation)
> - http://github.com/web2py/web2py (Source code)
> - https://code.google.com/p/web2py/issues/list (Report Issues)
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