Re: [Hibernate-devel] Problem with McKoi

[Doug C. <de...@fl...>]

Yet another Mckoi update...

I have determined that Mckoi supports composite keys just fine; the
problem was in the handling of Dates as keys. The FooBar test code
constructs a composite key containing a Date property initialized from
the current time. A later attempt to retreive the object by key
constructs a new composite key with an updated time (different
milliseconds). It seems that Mckoi stores all the milliseconds in the
database, and compares against them, too. I worked around this in the
test by setting the milliseconds explicitly; now the composite key
tests are successful.

Mckoi 0.92 currently has the following problems:
- Can't cast NULL to VARBINARY   -- fixed by mckoi.com patch
- Long values 15 digit precision -- fixed by my patch
- null valued Longs return 0     -- fixed by my patch
- bug in parsing "(not (A=B))"   -- Toby says it will be fixed in 0.93
- bug in parsing BETWEEN in complex query -- reported to To...@mc...
- bug? when using Date as key
- no complex sub-selects, it seems

The cvs server has an updated FooBar.java to accommodate Mckoi. It
works around the BETWEEN bug, the NOT = bug, and the Date bug, and
assumes my patches or their equivalent are in place.

If you are using Mckoi and want my patch, let me know.

e