[sr-dev] htable add/delete RPC commands

[Daniel-Constantin Mierla]

Hello,

iirc, the overview says something about this not-real-array emulation.

The size suffix (::size) is actually a module parameter, it is not 
something embedded.

So, everything here is more a conceptual approach, could have been very 
easy something different instead of [ ] to build keys based on an 
incremented value.

Again, what so ever you have as 'xyz[n]' is just seen as a string by 
htable module, it is effectively the key in the hash table, you can add, 
remove, get, etc..

Cheers,
Daniel

On 24/02/14 21:40, Ovidiu Sas wrote:
> Hello Daniel,
>
> The readme file or the cookboks don't say anything about this.
> Can you please enhance the readme?
>   - the indexing: key_name[n]
>   - the array size: key_name::size
>
> Question: can the following syntax be used to delete a specific
> element in an array key?
> kamcmd htable.get students anna[2]
> kamcmd htable.get students anna[0]
>
> Regards,
> Ovidiu Sas
>
> On Mon, Feb 24, 2014 at 2:52 PM, Daniel-Constantin Mierla
> <miconda at gmail.com> wrote:
>> Hello,
>>
>>
>> On 22/02/14 22:29, Juha Heinanen wrote:
>>> Ovidiu Sas writes:
>>>
>>>> I moved the discussion here, in a separate thread.
>>>> It seems that what are you looking for is not there ... not
>>>> implemented.
>>> yes, that is way is asked about it.
>>>
>>>> If you have the same key_name with different values in the table, the
>>>> last value will be the one loaded in memory.
>>>> You can't have an array of values for the same keys.
>>>
>>>> Also, there's no syntax to access a particular value in an array.
>>>> Maybe that's why there's no option to provide the value.
>>> see this:
>>>
>>> o key type - the type of the key
>>>
>>>       0 - simple key - the key is added as 'key_name'.
>>>
>>>       1 - array key - the key is added as 'key_name[n]'. n is incremented
>>>       for each key with this name to build an array in hash table.
>>
>> for clarifications, this is still a single key item in memory, just its
>> format is made 'key_name[n]'. Hash tables by definition work with unique key
>> indexing.
>>
>> So adding such items in the hash table should be like:
>>
>> kamctl mi sht_add ht0 'abc[0]' v0
>> kamctl mi sht_add ht0 'abc[1]' v1
>> kamctl mi sht_add ht0 'abc::size' 2
>>
>> Cheers,
>> Daniel
>>
>>> for example:
>>>
>>>       $var(size) = $sht(htable=>$var(key)::size);
>>>       $var(i) = 0;
>>>       while ($var(i) < $var(size)) {
>>>           $var(value) = $sht(htable=>$var(key)[$var(i)]);
>>>           ...
>>>
>>>    -- juha
>>>
>>> _______________________________________________
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>>
>> --
>> Daniel-Constantin Mierla - http://www.asipto.com
>> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>
>
>

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda