Re: LISTEN / NOTIFY enhancement request for Postgresql

Hello, Dimitri.

You wrote:

DF> Bruce Momjian <bruce@momjian.us> writes:
>>>   • is used to separate names in a path
>>>   • * is used to match any name in a path
>>>   • > is used to recursively match any destination starting from this name
>>> 
>>> For example using the example above, these subscriptions are possible
>>> 
>>>     Subscription                      Meaning
>>> PRICE.>              Any price for any product on any exchange
>>> PRICE.STOCK.>        Any price for a stock on any exchange
>>> PRICE.STOCK.NASDAQ.* Any stock price on NASDAQ
>>> PRICE.STOCK.*.IBM    Any IBM stock price on any exchange
>>> 
>>> 
>>> My request is to implement the same or similar feature in Postgresql.
>>
>> This does seem useful and pretty easy to implement.  Should we add a
>> TODO?

DF> I think we should consider the ltree syntax in that case, as documented
DF> in the following link:

DF>   http://www.postgresql.org/docs/9.3/interactive/ltree.html

Great idea! Thanks for link.

DF> Regards,
DF> -- 
DF> Dimitri Fontaine
DF> http://2ndQuadrant.fr     PostgreSQL : Expertise, Formation et Support





-- 
With best wishes,Pavel                          mailto:pavel@gf.microolap.com