[SR-Users] Use of mtree module having multiple trees in the same table

[jose luis millan]

Hi,

In order to have multiple trees in a single table,  function
'mt_match' has to be called with the desired 'tname'  value as the
first argument.

So, the first parameter in the 'mt_match' function refers to a value
of 'tname' in case this parameter is used, or to an explicitly created
mtree (defined via the mtree parámeter).

Thanks



On Tue, Jun 14, 2011 at 2:27 PM, Iñaki Baz Castillo <ibc at aliax.net> wrote:
> 2011/6/13 jose luis millan <doctore96 at gmail.com>:
>> I wonder if anyone could help me understanding how can I use this
>> module in a scenario where multiple mtrees are defined behind the same
>> database table.
>>
>> I can't guess how to speficy to 'mt_match' the mtree I want to match
>> against, since the 'mtree' module parameter defines a specific memory
>> tree based on a specific table, but not based on a specific 'tname'
>> value.
>
> Indeed we have a table with these colums:
>
> - prefix:    string to identify number destination. This is the regex column.
> - id_zone:  integer, points to other table. This is the value column.
> - scope:    integer, can be 0 or 1.
>
> So wee need two instances of mtree:
> 1) those rows with scope 0.
> 2) those rows with scope 1.
>
> Is it possible with current mtree module? or maybe we'd do better by
> creating two views of the table (one for entries with scope 0 and
> another for entries with scope 1)?
>
> Thanks a lot.
>
> --
> Iñaki Baz Castillo
> <ibc at aliax.net>
>
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