LtWorf
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711426c23d
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Corrected all 'touple' into 'tuple'
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@81 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-02-10 12:14:49 +00:00 |
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LtWorf
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8d0830fd6b
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added insert method, can be used to add one touple per time into a relation and does integrity check (just prevents inserting duplicated entries)
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@80 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-02-10 12:11:32 +00:00 |
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LtWorf
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4c510df460
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stub insert
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@78 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-01-27 12:12:44 +00:00 |
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LtWorf
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600e6ee1e0
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update and delete now return the number of affected rows
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@77 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-12-25 11:37:11 +00:00 |
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LtWorf
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fd5e8dd276
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Relation module has SQL-like update
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@76 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-12-25 11:28:38 +00:00 |
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LtWorf
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1b09369198
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Relation module has SQL-like delete
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@75 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-12-25 11:26:40 +00:00 |
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LtWorf
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efbbbeba35
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New default relation's format is csv, as defined in RFC4180
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@67 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-11-30 13:59:22 +00:00 |
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LtWorf
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51745e8218
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Added __eq__ to relation object
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@66 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-11-30 12:28:16 +00:00 |
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LtWorf
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3f6c989212
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credits and python way to iterate dictionary
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@56 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-11-10 17:12:53 +00:00 |
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LtWorf
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19e801092e
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simplified outer join
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@54 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-11-09 12:15:04 +00:00 |
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LtWorf
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ec8218cfc0
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typo
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@53 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-11-08 18:21:31 +00:00 |
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LtWorf
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863289d29c
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Optimized saving of relations
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@51 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-11-06 22:25:12 +00:00 |
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LtWorf
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278036081f
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Changed internal rename method. Now uses a dictionary
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@50 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-11-05 17:18:28 +00:00 |
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LtWorf
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15707f89c5
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Added support for dates
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@35 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-08-08 14:28:47 +00:00 |
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LtWorf
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ee37a74088
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added support for float numbers
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@34 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-08-08 12:41:16 +00:00 |
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LtWorf
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1446e6d004
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about, online doc, license, cleaning
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@30 014f5005-505e-4b48-8d0a-63407b615a7c
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2008-07-24 15:08:55 +00:00 |
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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 +00:00 |
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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 +00:00 |
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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 +00:00 |
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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 +00:00 |
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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 +00:00 |
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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 +00:00 |
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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 +00:00 |
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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 +00:00 |
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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 +00:00 |
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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 +00:00 |
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