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muZ/datalog/udoc: fix bug in join_project

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The bug was that we could project out don't care columns and don't take copied bits into account.
Bug reported by Ari Fogel

Signed-off-by: Nuno Lopes <a-nlopes@microsoft.com>
This commit is contained in:
Nuno Lopes 2014-12-28 17:05:17 +00:00
parent d827713ce3
commit a211fcfb9e
2 changed files with 52 additions and 2 deletions
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49
src/test/udoc_relation.cpp
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@ -159,6 +159,7 @@ public:
test_filter_neg2();
test_join_project();
test_join_project2();
test_filter_neg4(false);
test_filter_neg4(true);
@ -470,6 +471,54 @@ public:
}
}
void test_join_project2()
{
relation_signature sig3;
sig3.push_back(bv.mk_sort(1));
sig3.push_back(bv.mk_sort(1));
sig3.push_back(bv.mk_sort(1));
/// xxx \ x11
udoc_relation *t1 = mk_full(sig3);
{
udoc_relation *neg = mk_full(sig3);
doc& n = neg->get_udoc()[0];
neg->get_dm().set(n, 1, BIT_1);
neg->get_dm().set(n, 2, BIT_1);
unsigned_vector allcols;
allcols.push_back(0);
allcols.push_back(1);
allcols.push_back(2);
apply_filter_neg(*t1, *neg, allcols, allcols);
neg->deallocate();
}
// 11x
udoc_relation *t2 = mk_full(sig3);
{
doc& n = t2->get_udoc()[0];
t2->get_dm().set(n, 0, BIT_1);
t2->get_dm().set(n, 1, BIT_1);
}
unsigned_vector jc1, jc2, pc;
jc1.push_back(1);
jc1.push_back(2);
jc2.push_back(0);
jc2.push_back(1);
pc.push_back(1);
pc.push_back(2);
scoped_ptr<datalog::relation_join_fn> join_project_fn;
join_project_fn = p.mk_join_project_fn(*t1, *t2, jc1.size(), jc1.c_ptr(), jc2.c_ptr(), pc.size(), pc.c_ptr());
relation_base *t = (*join_project_fn)(*t1, *t2);
cr.verify_join_project(*t1, *t2, *t, jc1, jc2, pc);
t->deallocate();
t1->deallocate();
t2->deallocate();
}
void test_rename() {
udoc_relation* t1;
// rename