CCF_100/relational
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
487 Commits 1 Branch 0 Tags 9.1 MiB
df5ff35aa9
Commit Graph

55 Commits

Author SHA1 Message Date
Salvo 'LtWorf' Tomaselli
98ac364dc7 Removed encoding string 
Not needed in Python 3
 2015-07-14 10:43:13 +02:00
Salvo 'LtWorf' Tomaselli
f5e8e442a0 Removed unused variables 2015-07-09 23:32:46 +02:00
Salvo 'LtWorf' Tomaselli
a355762fc4 Switch core module to Python3 
The core module (the relational algebra, not the interface) is now
using Python3

Tests are passing, so it should be ok.
 2015-02-19 12:42:41 +01:00
Salvo 'LtWorf' Tomaselli
556eecc118 Changed about and README to not point to galileo anymore 2013-12-27 00:31:43 +01:00
LtWorf
17452f1e0b - migrating to unicode 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@329 014f5005-505e-4b48-8d0a-63407b615a7c
 2011-10-15 21:45:33 +00:00
LtWorf
4c5915e854 - Minor changes to comments 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@313 014f5005-505e-4b48-8d0a-63407b615a7c
 2011-10-08 17:04:07 +00:00
LtWorf
b4dffea5cf - Changed header comments in modules 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@287 014f5005-505e-4b48-8d0a-63407b615a7c
 2011-03-22 16:02:36 +00:00
LtWorf
ba564b55d3 - Added two more tests 
- Simplified code of optimizations module
- Improved doc of optimization module
- Added option to get all the intermediate passages of optimization
 


git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@269 014f5005-505e-4b48-8d0a-63407b615a7c
 2011-02-24 13:27:33 +00:00
LtWorf
25c4c894c2 - Fixes __eq__ method 
- Fixes tokenization of python expressions, using python's builtin module tokenizer


git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@256 014f5005-505e-4b48-8d0a-63407b615a7c
 2010-10-04 13:44:25 +00:00
LtWorf
973f11f1e0 - Added doc on function signature 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@253 014f5005-505e-4b48-8d0a-63407b615a7c
 2010-10-04 09:33:51 +00:00
LtWorf
6adcd221bd Edited license 
Desktop file in make
SQL conversion (probably will be deleted again)


git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@219 014f5005-505e-4b48-8d0a-63407b615a7c
 2010-02-24 00:46:58 +00:00
LtWorf
3c4b91272b Code refactory to move the new parser into parser.py out of optimizer.py, that will still be compatible 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@190 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-06-09 10:36:33 +00:00
LtWorf
6524ea2d9f replaced old compiler, using the new one also in parser.py, and bug fixed 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@189 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-06-09 10:22:52 +00:00
LtWorf
378ace1a2b new relational to python compiler 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@188 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-06-09 10:02:07 +00:00
LtWorf
dd43097d7e added comments 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@187 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-06-09 09:05:48 +00:00
LtWorf
10227d1ae7 Cleaned up code 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@184 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-26 14:00:44 +00:00
LtWorf
7b827082d6 improved futile_union_intersection_subtraction optimization. Now it works also if one of the subtrees has a selection and the other doesn't 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@183 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-26 13:39:59 +00:00
LtWorf
43766eeeae Implemented swap_rename_projection general optimization 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@182 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-25 17:04:24 +00:00
LtWorf
d51d4bada7 fixed selection_and_product optimization. It modified the original relation 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@178 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-25 13:54:35 +00:00
LtWorf
dac465779c Implemented swap_union_renames general optimization 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@177 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-23 08:21:43 +00:00
LtWorf
644d96dc63 fixed subsequent_renames. Now handles cycling renames and completely futile ones like renaming attribute into itself 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@176 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-22 23:08:40 +00:00
LtWorf
5e30121812 Implemented futile_union_intersection_subtraction general optimization 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@175 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-22 22:20:31 +00:00
LtWorf
8393ca93d9 extended selection_and_product to join 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@168 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 14:48:44 +00:00
LtWorf
dd15d6776b solved another error in token->string procedure. this thing is quite hard 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@167 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 13:53:27 +00:00
LtWorf
e5e7dcddd2 fixed error that caused an infinite loop 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@166 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 13:49:43 +00:00
LtWorf
bc60be3ace optimization on product and select working 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@165 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 13:31:25 +00:00
LtWorf
004a6bb84e optimization on product and select working 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@164 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 13:30:19 +00:00
LtWorf
ccc8a5ee0d modified tree. Now it is able to return the fields that an operation will return 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@163 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 12:36:01 +00:00
LtWorf
e35b85e534 removed debug prints and corrected returning of modified nodes 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@162 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 08:11:45 +00:00
LtWorf
61a94e73c0 swap_rename_select working 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@161 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 08:03:24 +00:00
LtWorf
952b31ac53 stub for swap_rename_select 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@160 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-12 06:38:58 +00:00
LtWorf
f273425312 finally subsequent_renames optimization is working 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@157 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-11 16:44:52 +00:00
LtWorf
04cc61d317 redoundant renames still under work... this thing is harder than i though 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@156 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-11 16:38:49 +00:00
LtWorf
9cf8cc34a1 work on progress on subsequent renames 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@155 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-08 15:42:02 +00:00
LtWorf
04e3b8e316 added __eq__ method to the tree 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@147 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-05-01 14:45:31 +00:00
LtWorf
444d3f9987 optimizes over and over until the tree is stabilized 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@144 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-30 18:21:50 +00:00
LtWorf
723c63641d added optimization to push down selection when sub-expression has union, intersection or subtraction 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@142 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-30 17:39:07 +00:00
LtWorf
b694fdd99d can generate empty nodes 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@141 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-30 17:10:05 +00:00
LtWorf
ac0d6fae85 counting changes on the tree 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@138 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-29 08:36:28 +00:00
LtWorf
4ba7209964 now handles more than 2 nested selections 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@137 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-29 07:25:39 +00:00
LtWorf
a4325679cb removed debug prints 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@136 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-28 21:33:16 +00:00
LtWorf
e898eed426 added 1st optimization 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@135 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-28 21:11:18 +00:00
LtWorf
923ac12588 added module to contain optimizations 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@134 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-28 20:50:04 +00:00
LtWorf
256cd3e4ca now using isinstance instead of that ugly thing 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@133 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-28 20:39:10 +00:00
LtWorf
e528a4babf now handles futile nested parenthesis 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@132 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-28 20:11:25 +00:00
LtWorf
1060e9d275 implemented tree function 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@131 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-28 18:42:40 +00:00
LtWorf
92b5e55a75 creation of the tree completed 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@130 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-28 18:40:53 +00:00
LtWorf
0ff9ed22a0 converting tokenized expression into tree 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@129 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-04-28 18:21:43 +00:00
LtWorf
d872343481 added some comments 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@116 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-03-19 13:30:35 +00:00
LtWorf
f25959e50b added stub for tree converter and removed redoundant and not-working parser 
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@110 014f5005-505e-4b48-8d0a-63407b615a7c
 2009-03-16 18:04:17 +00:00