From 328d0f6bceb4f71b07aed3185bc26e1b7f68b129 Mon Sep 17 00:00:00 2001 From: LtWorf Date: Wed, 13 May 2009 14:34:35 +0000 Subject: [PATCH] removed todo... because i did git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@173 014f5005-505e-4b48-8d0a-63407b615a7c --- relational/optimizations.py | 3 --- 1 file changed, 3 deletions(-) diff --git a/relational/optimizations.py b/relational/optimizations.py index 20774f0..cc95378 100644 --- a/relational/optimizations.py +++ b/relational/optimizations.py @@ -212,7 +212,6 @@ def swap_rename_select(n): '''This function locates things like σ k(ρ j(R)) and replaces them with ρ j(σ k(R)). Renaming the attributes used in the selection, so the operation is still valid.''' - #TODO document into the wiki changes=0 if n.name=='σ' and n.child.name=='ρ': @@ -256,8 +255,6 @@ def selection_and_product(n,rels): '''This function locates things like σ k (R*Q) and converts them into σ l (σ j (R) * σ i (Q)). Where j contains only attributes belonging to R, i contains attributes belonging to Q and l contains attributes belonging to both''' - - #TODO document in the wiki changes=0 if n.name=='σ' and n.child.name in ('*','ᐅᐊ','ᐅLEFTᐊ','ᐅRIGHTᐊ','ᐅFULLᐊ'):