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author | Andrei Aiordachioaie <a.aiordachioaie@jacobs-university.de> | 2010-01-25 18:55:43 +0100 |
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committer | Andrei Aiordachioaie <a.aiordachioaie@jacobs-university.de> | 2010-01-25 22:25:01 +0100 |
commit | 45032ffd23ce741dd9cd63a4befcea89f2fd19cf (patch) | |
tree | bc89903eaabab627492f5364bdfe0a9410e88634 /qlparser/querytree.hh | |
parent | 068b5df28a09ce77d4ce3844ab6d8730d38e85a1 (diff) | |
download | rasdaman-upstream-45032ffd23ce741dd9cd63a4befcea89f2fd19cf.tar.gz rasdaman-upstream-45032ffd23ce741dd9cd63a4befcea89f2fd19cf.tar.xz rasdaman-upstream-45032ffd23ce741dd9cd63a4befcea89f2fd19cf.zip |
Added a layer of abstraction for optimization levels.
Diffstat (limited to 'qlparser/querytree.hh')
-rw-r--r-- | qlparser/querytree.hh | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/qlparser/querytree.hh b/qlparser/querytree.hh index d6f28cc..cfeafb7 100644 --- a/qlparser/querytree.hh +++ b/qlparser/querytree.hh @@ -84,6 +84,13 @@ class QueryTree public: + enum OptimizationLevel + { + STANDARDIZATION = 1, + SIMPLIFICATION = 2, + SUBEXPRESSIONS = 3 + }; + /// default constructor QueryTree(); @@ -198,6 +205,9 @@ class QueryTree static void (*optimizationFnc)(unsigned int, QtNode*); + // Validity checks for the level of optimization + bool isValidOptimizationLevel( int level ); + /// used by public seeSubexpression() vector<QtNode::QtNodeList>* seeSubexpression( QtNode::QtNodeList* leafList ); |