I am writing an accounting system backed by an h2 database. The tree
of accounts is stored in the ACCOUNTS table, with the PARENT_ID
column storing the links in the tree.
To get the path to a given node in the tree, I have the following
stored procedure:
public static Object[] getAncestorPKs(long id)
whose job is to produce an array of integers, being the PARENT_ID
values between the node in question and the root of the tree. I
register the procedure in the database under the name ANCESTOR_PKS
like this:
CREATE ALIAS IF NOT EXISTS ANCESTOR_PKS FOR "xxx.yyy.zzz.getAncestorPKs"
My problem is I can't seem to find a way to use the thing without
triggering a SQLException! I need to use it in the following way:
SELECT ID FROM ACCOUNTS WHERE [...] AND ID IN ANCESTOR_PKS(x)
where x is the primary key of the node in question. I get the following error:
expected "("
with the asterix indicating the position of the error immediately
after ANCESTOR_PKS.
I'm assuming this has something to do with the use of IN, since if I simply say
"SELECT ANCESTOR_PKS(x)"
with x having some appropriate value, there is no problem.
Is there some way to use IN with the result of a stored procedure?
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