I have an application that I'm porting from MSSQL to PostgreSQL. Part of this
application consists of hundreds of stored procedures that I need to convert
to Postgres functions ... or views?
At first I was going to just convert all MSSQL procedures to Postgres functions.
But now that I'm looking at it, a lot of them may be candidates for views. A
lot of them take on the format of:
SELECT a.cola, b.colb, c.colc
FROM a JOIN b JOIN c
(this is slightly oversimplified, but as a generalization of hundreds of
functions, it's pretty accurate)
Now, I know this questions is pretty generalized, and I intend to test before
actually commiting to a particular course of action, but I'm very early in the
conversion and I'm curious as to whether people with more experience than I
think that views will provide better performance than functions containing
SQL statements like the above. The client is _very_ interested in performance
(just like anyone who needs to market things these days ... apparently, if you
admit that something might take a few seconds in your advertising, you're sunk)
Any opinions are welcome. Also, if this is a relatively unknown thing, I'd
be curious to know that as well, because then it would be worthwhile for me
to record and publish my experience.
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