CCF_100/relational
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New optimization

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Turns
        π a,b,c(A) ∪ π a,b,c(B)

    into
        π a,b,c(A ∪ B)

    if A and B are union compatible

Works with union, intersection and difference.
This commit is contained in:
Salvo 'LtWorf' Tomaselli
2016-01-03 10:07:23 +01:00
parent eadcca6da7
commit 3b3888e9be
4 changed files with 48 additions and 3 deletions
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@@ -2,7 +2,7 @@
- Added again make install target
- Ctrl+C in the terminal will terminate the GUI
- UI indicates ongoing processing with a label
- Added new optimization
- Added new optimizations
- Added shortcuts within the UI
- History can be navigated with up/down arrows
- Single line edit mode allows for the resulting relation to be written