class XxxConstValue : public XxxValueExpression

Parent class of all constant expressions

Inheritance:

Public Classes

class

ConstPlan : public XxxValueExprPlan /

Public Methods

virtual XxxBool	Match (const XxxExpression* OtherExpr, char *Env = NULL) Checks to see if the expression matches another expression
virtual XxxBool	Match (const XxxExpression* RuleExpr, XxxBindingEnv *BindEnv) Checks if the expression matches another rule input expression If match is successful, return true, and assign BindTerm array inside XxxBindingEnv class
virtual XxxExpression*	Replicate () This should never be called

Inherited from XxxValueExpression:

Public Classes

enum ValExprTypeEnum

Public Fields

char* ExprName

Public Methods

virtual int Arity()

inline XxxValueExpression* ChildExpr(int i)

virtual XxxValueExprList* DirectSubexpressions()

virtual XxxADTMetaInfo* GenerateCatInfo()

virtual XxxErrCode GetDependencies(XxxBitMap& Dependendency, int CorrelationHt)

virtual XxxBool IsConstant()

virtual XxxErrCode Optimize(XxxValueExprPlan*& ExecPlan)

virtual void Print(ostream&)

virtual XxxBool ReferencesAggregate()

virtual XxxErrCode Replace(const XxxValueExpression *Target, const XxxValueExpression *Replacement)

virtual XxxErrCode Replace(const XxxUnknownValue *Target, const XxxValueExpression *Replacement)

virtual XxxErrCode ResolveVars(const XxxRecordSchema *Schema)

virtual XxxErrCode ResolveVars(XxxQueryNode* Node, char Source)

virtual XxxErrCode ResolveVars(const XxxArgEnv* Env)

XxxErrCode SetChild(int Index, XxxValueExpression* NewExp)

virtual XxxErrCode TypeCheck()

virtual XxxErrCode UpdateUnknowns(int ChildNumber, int OldAttrIndex, int NewAttrIndex, XxxBool &Appears)

virtual XxxValueExprList* ValExprsReferenced()

Public

typedef enum ValExprTypeEnum ValExprType

enum ValExprTypeEnum

Protected Fields

int arity

XxxValueExpression** childExpr

class ConstPlan: public XxxValueExprPlan

/

virtual XxxExpression* Replicate()

This should never be called

virtual XxxBool Match(const XxxExpression* OtherExpr, char *Env = NULL)

Checks to see if the expression matches another expression

virtual XxxBool Match(const XxxExpression* RuleExpr, XxxBindingEnv *BindEnv)

Checks if the expression matches another rule input expression If match is successful, return true, and assign BindTerm array inside XxxBindingEnv class

Direct child classes:

XxxConstStringValue
XxxConstIntValue
XxxConstDoubleValue

Author:

Praveen

alphabetic index hierarchy of classes

this page has been generated automatically by doc++

(c)opyright by Malte Zöckler, Roland Wunderling
contact: doc++@zib.de