- improved an optimization, to produce a simpler select condition under certain circumstances

git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@343 014f5005-505e-4b48-8d0a-63407b615a7c
2011-11-07 19:01:33 +00:00
parent cd85b7e1c1
commit 3978259f4a
4 changed files with 21 additions and 1 deletions
--- a/test/select_join_opt.query
+++ b/test/select_join_opt.query
@@ -0,0 +1 @@
+σ skill=='C' and chief==0 ((σ age<30 (people) ᑌ σ age>40(people)) ᐅᐊ skills)
--- a/test/select_join_opt.result
+++ b/test/select_join_opt.result
@@ -0,0 +1,3 @@
+id,name,chief,age,skill
+0,jack,0,22,C
+4,eve,0,25,C
				`@@ -0,0 +1 @@`
				`σ skill=='C' and chief==0 ((σ age<30 (people) ᑌ σ age>40(people)) ᐅᐊ skills)`