enum PredicateType {TABLEPRED, OPERATORPRED};
typedef enum PredicateType PredicateType;
-enum ASTNodeType {ORDERCONST, BOOLEANVAR, LOGICOP, PREDICATEOP, BOOLCONST, ELEMSET, ELEMFUNCRETURN, ELEMCONST};
+enum ASTNodeType {ORDERCONST, BOOLEANVAR, LOGICOP, PREDICATEOP, BOOLCONST, ELEMSET, ELEMFUNCRETURN, ELEMCONST, BOOLEANEDGE};
typedef enum ASTNodeType ASTNodeType;
enum Polarity {P_UNDEFINED=0, P_TRUE=1, P_FALSE=2, P_BOTHTRUEFALSE=3};