LtWorf
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a99aef8c7b
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added support for parenthesis
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@22 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-22 14:59:31 +07:00 |
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LtWorf
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f92749f7ee
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tagged release 0.2
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@21 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-21 08:47:31 +07:00 |
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LtWorf
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d2d71e8b53
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spaces are ignored in attributes' names in rename
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@20 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-21 08:14:07 +07:00 |
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LtWorf
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b61625f10d
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changed outer join syntax because the previous one didn't work
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@19 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-21 08:03:50 +07:00 |
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LtWorf
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889c333058
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parser completed
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@18 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-21 07:31:17 +07:00 |
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LtWorf
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0f8d0b68ac
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parsing works better than before, not perfect
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@17 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-20 22:10:35 +07:00 |
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LtWorf
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e93e188cb6
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improved parser stub, not completely working yet
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@16 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-20 17:49:44 +07:00 |
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LtWorf
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5c9f4e63f4
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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
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2008-07-19 15:30:01 +07:00 |
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LtWorf
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b873d432b6
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renamed equijoin to thetajoin
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@12 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-17 22:53:32 +07:00 |
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LtWorf
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d91bafafda
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added equi-join
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@11 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-17 22:44:26 +07:00 |
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LtWorf
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7042bef744
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outer join added
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@10 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-17 22:39:58 +07:00 |
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LtWorf
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0c11969722
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changed fields to attributes
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@9 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-17 18:28:44 +07:00 |
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LtWorf
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350bd00967
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natural join and example to test it
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@8 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-16 13:42:02 +07:00 |
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LtWorf
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953ebc3d1e
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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
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2008-07-16 08:38:50 +07:00 |
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LtWorf
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7d048cb399
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added selection
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@6 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-14 14:38:42 +07:00 |
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LtWorf
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7817d6adaf
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product avoids duplicated items
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@5 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-14 13:14:50 +07:00 |
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LtWorf
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82e551cce4
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preventing duplicated fields in projection
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@4 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-14 13:04:32 +07:00 |
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LtWorf
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1efc1dc3c7
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created repositor structure
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@3 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-14 12:18:35 +07:00 |