Thanks for all the ideas, i had ibatis to the mix in
my application, and there is a feature in ibaits
Dynamic Mapped Statements which does all the work of
creating statement dynamically and it worked like a
if some on is interested let me know i will post the
way i defined in ibatis in this forum


--- Larry Ducie <Larry_Ducie@xxxxxxxxxxx> wrote:

Hi there Ashish,

I have a sql statment like

select * from mytable where line in ('ABC', 'XYZ')

where this SQL statement is going to extact all rows
where line is ABC and XYZ,

but now the problem is i do not know if there are
going to be only one line or 2 or 10, so i thought i
would define the sql as

select * from mytable where line in ?

and then i created a string like ('ABC', 'XYZ') and
passed it as input parameter, but it does now work,

Any ideas for a work around this solution

There isn't really a graceful was to solve this
problem. If you really want
it variable then forget parameter markers completely
and put your filters in
a file and use that as a filter list:

select * from mytable where line in (select distinct
mylinefilters from

Otherwise you will simply have to guess the maximum
number of parameter
markers you may ever need and simply repeat your
last list item until you
have used them all. Pretty easy to code in a for
loop and the database is
smart enough to tell that:

select * from mytable where line in ('ABC', 'XYZ')

is exactly the same as:

select * from mytable where line in ('ABC', 'XYZ',
'XYZ', 'XYZ')

So you could use four parameter markers even if you
will probably only use
two parameter markers 98% of the time. They're just
placeholders after all.


Larry Ducie

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