72 lines
2.5 KiB
Plaintext
72 lines
2.5 KiB
Plaintext
0.1
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- Created header class to handle attributes
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- Created relation class
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- Added union
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- Added intersection
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- Added difference
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- Added product
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- Added projection
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- Added rename
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- Projection can use a list or several parameters
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- Added selection
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- Added left join
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- Added right join
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- Added capability of operation even if attributes aren't in the same order
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- Added full outher join
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0.2
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- Created parser module
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- Created function to parse expression with operators without parameters
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- Created recoursive function to parse expressions
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0.3
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- Added support for parenthesis in relational queries
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0.4
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- Created GUI
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0.5
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- Added support for float numbers
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- Added support for dates
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0.6
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- Fixes to run on Mac OsX
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- Added Makefile
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- Able to create .app MacOsX files using "make app"
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- Able to create tar.gz file containing Mac OsX application and samples using "make mac"
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0.7
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- Added README
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- Expressions between quotes aren't parsed anymore
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- When adding a relation, the file must be chosen 1st, and then the default relation's name is the same as the filename
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- Changed internal rename method. Now uses a dictionary
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- Optimized saving of relations
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- Can save relations from gui
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- Outer join methods simplified
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- Form to send a survey
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- Makefile to create .deb package
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0.8
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- Added __eq__ to relation object, will compare ignoring order.
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- New default relation's format is csv, as defined in RFC4180
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- Converted sample's relations to csv
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- Deb postinstall generates optimized files, this will increase loading speed
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- Relation module has SQL-like delete
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- Relation module has SQL-like update
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- Relation module has SQL-like insert
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- GUI can be used to insert and delete tuples
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- Showing fields of selected relation will work with themes different than oxygen
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0.9
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- Splitted into independent packages (gui and library)
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- Simplified makefile, bringing outside files for debian package
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- Default source package now doesn't contain informations to generate debian/mac packages
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- "make source_all" generates the old style tarball containing all the files
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- Bug: relational script installed with debian package now passes arguments to the python executable
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- Insert and delete from GUI are now done on the displayed relation, not on the selected one
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0.10
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- In optimizer, added a function that tokenizes an expression
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- Document about complexity of operations
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- Bug: error in update operation, it changed the original tuple, so also other relations using the same tuple would change. Now it copies it.
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- Added make install and uninstall |