Re: Tweak sql result set... ?
От | Tim Landscheidt |
---|---|
Тема | Re: Tweak sql result set... ? |
Дата | |
Msg-id | m3k51s72vl.fsf@passepartout.tim-landscheidt.de обсуждение исходный текст |
Ответ на | Tweak sql result set... ? (Axe <info@axier.se>) |
Список | pgsql-sql |
(anonymous) wrote: > I have a problem where I want to tweak a simple select in an > "unobtrusive way". Imagine I have the following select statement: > "SELECT name FROM customer LIMIT 1" and I get a normal result set from > this. But, could I,maybe by defining some other function or similar, > change the result set *without* changing the query? Suppose I get the > result from the query above, saying: "Peter Peterson". I would > (sometimes) like to get the result "<div>Peter Peterson</div>" but I > should not have to change the original query. > I know I could write "SELECT '<div>' || name || '</div>' as name FROM > customer" but then I have altered the original query and I cannot do > this since it is supposed to function different in two different > situations. > Any ideas on how to achieve this? I would like to let the original sql > code stay original. I can prepare postgres before executing the sql if > this makes it easier to acheive the goal Have a look at CREATE RULE. Tim
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