LtWorf
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7b827082d6
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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
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2009-05-26 13:39:59 +07:00 |
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LtWorf
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43766eeeae
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Implemented swap_rename_projection general optimization
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@182 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-25 17:04:24 +07:00 |
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LtWorf
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d51d4bada7
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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
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2009-05-25 13:54:35 +07:00 |
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LtWorf
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dac465779c
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Implemented swap_union_renames general optimization
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@177 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-23 08:21:43 +07:00 |
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LtWorf
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644d96dc63
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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
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2009-05-22 23:08:40 +07:00 |
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LtWorf
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5e30121812
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Implemented futile_union_intersection_subtraction general optimization
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@175 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-22 22:20:31 +07:00 |
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LtWorf
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5dead3a058
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stub for parallel execution
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@174 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-13 15:39:19 +07:00 |
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LtWorf
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328d0f6bce
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removed todo... because i did
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@173 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-13 14:34:35 +07:00 |
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LtWorf
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1cffcffdbc
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fixed problem with select and renames when using fields
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@172 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-13 14:15:30 +07:00 |
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LtWorf
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17080aa381
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fixed problem with select and renames when using fields
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@171 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-13 14:06:42 +07:00 |
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LtWorf
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77c6cec3e9
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now saved queries have a default value
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@170 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-12 15:13:48 +07:00 |
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LtWorf
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8807d9159d
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added specific optimizations in GUI
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@169 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-12 15:09:57 +07:00 |
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LtWorf
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8393ca93d9
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extended selection_and_product to join
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@168 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-12 14:48:44 +07:00 |
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LtWorf
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dd15d6776b
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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
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2009-05-12 13:53:27 +07:00 |
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LtWorf
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e5e7dcddd2
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fixed error that caused an infinite loop
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@166 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-12 13:49:43 +07:00 |
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LtWorf
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bc60be3ace
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optimization on product and select working
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@165 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-12 13:31:25 +07:00 |
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LtWorf
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004a6bb84e
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optimization on product and select working
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@164 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-12 13:30:19 +07:00 |
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LtWorf
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ccc8a5ee0d
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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
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2009-05-12 12:36:01 +07:00 |
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LtWorf
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e35b85e534
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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
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2009-05-12 08:11:45 +07:00 |
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LtWorf
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61a94e73c0
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swap_rename_select working
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@161 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-12 08:03:24 +07:00 |
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LtWorf
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952b31ac53
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stub for swap_rename_select
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@160 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-12 06:38:58 +07:00 |
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LtWorf
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824379cf4c
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how to do 3rd party optimizations
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@159 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-11 16:57:23 +07:00 |
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LtWorf
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e1d02bcd4c
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removed debug prints and added comments
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@158 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-11 16:51:43 +07:00 |
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LtWorf
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f273425312
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finally subsequent_renames optimization is working
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@157 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-11 16:44:52 +07:00 |
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LtWorf
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04cc61d317
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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
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2009-05-11 16:38:49 +07:00 |
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LtWorf
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9cf8cc34a1
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work on progress on subsequent renames
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@155 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-08 15:42:02 +07:00 |
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LtWorf
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c7f1aa060e
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completed implementation of selection_inside_projection
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@154 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-08 14:51:31 +07:00 |
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LtWorf
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b3a9d98d24
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added selection_inside_projection
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@153 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-08 14:46:29 +07:00 |
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LtWorf
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9627500a21
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Able to (temporarily) store queries with a name
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@152 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-06 16:35:21 +07:00 |
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LtWorf
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185c3f661d
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stub to save queries
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@151 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-06 16:05:27 +07:00 |
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LtWorf
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698517067f
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moved optimization button into advanced (and hidden by default) box
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@150 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-06 14:36:02 +07:00 |
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LtWorf
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195ef42596
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added button to undo optimization
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@149 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-06 14:10:42 +07:00 |
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LtWorf
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23740eea4d
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added button to optimize
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@148 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-06 13:38:58 +07:00 |
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LtWorf
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04e3b8e316
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added __eq__ method to the tree
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@147 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-01 14:45:31 +07:00 |
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LtWorf
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7ecf75efb7
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stupid indentation
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@146 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-01 13:50:59 +07:00 |
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LtWorf
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52907e67e7
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Optimization for rearrangements
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@145 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-05-01 13:47:54 +07:00 |
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LtWorf
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444d3f9987
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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
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2009-04-30 18:21:50 +07:00 |
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LtWorf
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88efcf0b78
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i need to reduce sets, so i need selection pushed down in each case
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@143 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-30 17:41:05 +07:00 |
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LtWorf
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723c63641d
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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
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2009-04-30 17:39:07 +07:00 |
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LtWorf
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b694fdd99d
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can generate empty nodes
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@141 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-30 17:10:05 +07:00 |
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LtWorf
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bc0492ef77
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moved the initialization of psyco after the initialization
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@140 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-29 12:14:00 +07:00 |
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LtWorf
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a877fd2dcf
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tries to use python-psyco
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@139 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-29 12:06:30 +07:00 |
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LtWorf
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ac0d6fae85
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counting changes on the tree
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@138 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-29 08:36:28 +07:00 |
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LtWorf
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4ba7209964
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now handles more than 2 nested selections
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@137 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-29 07:25:39 +07:00 |
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LtWorf
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a4325679cb
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removed debug prints
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@136 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-28 21:33:16 +07:00 |
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LtWorf
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e898eed426
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added 1st optimization
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@135 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-28 21:11:18 +07:00 |
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LtWorf
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923ac12588
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added module to contain optimizations
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@134 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-28 20:50:04 +07:00 |
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LtWorf
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256cd3e4ca
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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
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2009-04-28 20:39:10 +07:00 |
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LtWorf
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e528a4babf
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now handles futile nested parenthesis
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@132 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-28 20:11:25 +07:00 |
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LtWorf
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1060e9d275
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implemented tree function
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@131 014f5005-505e-4b48-8d0a-63407b615a7c
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2009-04-28 18:42:40 +07:00 |