#ifndef _EXPR_H_
#define _EXPR_H_

Expr *eDbExpr(int op, Expr *pLeft, Expr *pRight, Token *pToken);
void eDbExprSpan(Expr *pExpr, Token *pLeft, Token *pRight);
void eDbExprDelete(Expr *p);
ExprList *eDbExprListAppend(ExprList *pList, Expr *pExpr, Token *pName);
void eDbExprListDelete(ExprList *pList);
int eDbExprCheck(Parser *pParse, Expr *pExpr, int allowAgg, int *pIsAgg);
int eDbExprResolveIds(Parser *pParse,SrcList *pSrcList,ExprList *pEList,Expr *pExpr);
IdExprList *eDbIdExprListAppend(IdExprList *pList, Expr *pExpr, Token *pId);
void eDbIdExprListDelete(IdExprList *p);
#endif/*_EXPR_H_*/