LtWorf
|
0f8d0b68ac
|
parsing works better than before, not perfect
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@17 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-20 22:10:35 +07:00 |
|
LtWorf
|
e93e188cb6
|
improved parser stub, not completely working yet
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@16 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-20 17:49:44 +07:00 |
|
LtWorf
|
5c9f4e63f4
|
first stub of relational algebra to python converter
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@15 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-19 15:30:01 +07:00 |
|
LtWorf
|
b873d432b6
|
renamed equijoin to thetajoin
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@12 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-17 22:53:32 +07:00 |
|
LtWorf
|
d91bafafda
|
added equi-join
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@11 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-17 22:44:26 +07:00 |
|
LtWorf
|
7042bef744
|
outer join added
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@10 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-17 22:39:58 +07:00 |
|
LtWorf
|
0c11969722
|
changed fields to attributes
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@9 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-17 18:28:44 +07:00 |
|
LtWorf
|
350bd00967
|
natural join and example to test it
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@8 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-16 13:42:02 +07:00 |
|
LtWorf
|
953ebc3d1e
|
product should not generate duplicated items, removed check
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@7 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-16 08:38:50 +07:00 |
|
LtWorf
|
7d048cb399
|
added selection
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@6 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-14 14:38:42 +07:00 |
|
LtWorf
|
7817d6adaf
|
product avoids duplicated items
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@5 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-14 13:14:50 +07:00 |
|
LtWorf
|
82e551cce4
|
preventing duplicated fields in projection
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@4 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-14 13:04:32 +07:00 |
|
LtWorf
|
1efc1dc3c7
|
created repositor structure
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@3 014f5005-505e-4b48-8d0a-63407b615a7c
|
2008-07-14 12:18:35 +07:00 |