2caad7a868
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@31 014f5005-505e-4b48-8d0a-63407b615a7c
26 lines
613 B
Plaintext
26 lines
613 B
Plaintext
0.1
|
|
- Created header class to handle attributes
|
|
- Created relation class
|
|
- Added union
|
|
- Added intersection
|
|
- Added difference
|
|
- Added product
|
|
- Added projection
|
|
- Added rename
|
|
- Projection can use a list or several parameters
|
|
- Added selection
|
|
- Added left join
|
|
- Added right join
|
|
- Added capability of operation even if attributes aren't in the same order
|
|
- Added full outher join
|
|
|
|
0.2
|
|
- Created parser module
|
|
- Created function to parse expression with operators without parameters
|
|
- Created recoursive function to parse expressions
|
|
|
|
0.3
|
|
- Added support for parenthesis in relational queries
|
|
|
|
0.4
|
|
- Created GUI |