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Problem with tables

Hi everybody,

I'm having troubles with a table that is overwriting every Route value within the keys.

In this case I created the keys Skills and SetupSMIC.
as it's shown, first they both have "a" in the Route parameter, then I set SetupSMIC route as "b"
but when printing skill route also get changed

And I created this two keys and they are working correctly

Also I was working with another table like that and I didn't have that problem
the problem are the ones that were created this way, It looks like they have the same memory space.

Does anybody know what I'm doing wrong?

getVersion()->virtuoso version 6.1.8-64b

getVersion("virtuoso")->sub-version IC6.1.8-64b.500.22

Best regards,
R. Gómez

Parents

AaronSymko over 3 years ago

When creating a new DPL, use list(nil) instead of '(nil).

In SKILL, using '(nil) in a local scope (i.e. within a procedure) will actually create a global (i.e. statically constructed) DPL. As a result of this, you get data sharing when using '(nil), which is usually not what is intended.
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RicardoGV1 over 3 years ago in reply to AaronSymko

Hi AaronSymko,

Thank you very much for that clarification.

That worked very well.
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Andrew Beckett over 3 years ago in reply to RicardoGV1

Just to add a little more to @AaronSymko's explanation, what is happening if you use a quoted list is that the variable (or table in this case) is storing a pointer to the literal list in the code - and you're not getting a newly allocated list each time the assignment happens to different table entries.

Andrew
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Andrew Beckett over 3 years ago in reply to RicardoGV1

Just to add a little more to @AaronSymko's explanation, what is happening if you use a quoted list is that the variable (or table in this case) is storing a pointer to the literal list in the code - and you're not getting a newly allocated list each time the assignment happens to different table entries.

Andrew
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RicardoGV1 over 3 years ago in reply to Andrew Beckett

Thanks Andrew!
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