Stored Procedure Dynamic SQL in Interbase Firebird

Posted on 2004-09-28
Last Modified: 2008-02-26
How am i able to run a dynamic criteria SQL in a SP in a *Interbase FireBird database*?
For e.g. This SP received a few parameters named as P1, P2 which is my sql criteria value.
The sql statement will look like this :
select * from table1
where field1 = <P1 value> and field2 = <P2 value>

however if P1 or P2 appears to be null or empty value the sql ll be alternated to be:
select * from table1
where field1 = <P2 value>

or just:
select * from table1

how am i able to run a dynamic sql statement like this in a reasonable way.

Thanks for answering
Question by:den06boy
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LVL 19

Expert Comment

ID: 12168495
to start with we need to know if it is interbase or firebird you are using and which version
LVL 19

Expert Comment

ID: 12168579
Is there some reason a view will do what you need?
LVL 19

Expert Comment

ID: 12168643
oops, type, that should be
Is there some reason a view will not do what you need?
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Author Comment

ID: 12176091
Oh I have a misunderstanding on interbase and firebird. I think I m using Firebird but for which version I m not sure of.
There is a reason which a view doesnt cater for my scenario but it will be whole lot to mention about it. The main purpose would be using a dynamic sql to get the result which i needed to do certain transactions using stored procedure.
LVL 19

Accepted Solution

NickUpson earned 100 total points
ID: 12177031
Well firebird version 1.5 has EXECUTE STATEMENT :str; where str contains the SQL statement but it's not available in earlier versions of firebird
It may help to identify the version to know that 1.5 became available around feb/mar of this year.

Author Comment

ID: 12177720
Anyway it helps!! thanks!

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