Bugs item #1919631, was opened at 2008-03-19 15:04
Message generated for change (Comment added) made by mlkersten
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Category: Core
Group: MonetDB5 CVS Head
Status: Open
Resolution: Invalid
Priority: 5
Private: No
Submitted By: Peter Boncz (boncz)
Assigned to: Martin Kersten (mlkersten)
Summary: MAL command resolution: BAT signatures with :any
Initial Comment:
not knowing about the MAL pattern
bbp.bind(:str) :bat[any::1,any::2]
I tried the MAL command
bat5.load(:str) :bat[any::1,any::2]
though the implementation and signature of that command appear to be fully
correct, bat5.load() always give a type mismatch error whatever you do.
So, the problem is not so much bat5.load(), but (I assume) the function
resolution of any MAL command that has :any::x or BAT[:any::x,:any::y] in its
signature.
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>Comment By: Martin Kersten (mlkersten)
Date: 2008-03-19 23:42
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first, bat5.load() is not a function known to me.
We only have bat.load()
Another test has been added and shows
that basic type resolution should be more
restrictive, not allowing illegal type bindings.
We still need an example to illustrate the problem
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Comment By: Martin Kersten (mlkersten)
Date: 2008-03-19 17:32
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suite_00/Tests/test_40.mal
The number of tests for the bat.load is quite minimal.
A small test example to would be helpful.
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Comment By: Fabian (mr-meltdown)
Date: 2008-03-19 17:17
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can you give an example of what you're doing and what exact error messages
you get?
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Comment By: Peter Boncz (boncz)
Date: 2008-03-19 16:49
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I was providing the correct types. Did you try it?
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Comment By: Martin Kersten (mlkersten)
Date: 2008-03-19 16:42
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MAL requires that all arguments are strongly typed.
you have to type the result variable upfront, e.g.
b:bat[:oid,:str]:= bat.load("mybat");
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