BufferManager/query.h at main · LeviCameron1/BufferManager · GitHub

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#ifndef QUERY_H
#define QUERY_H

#include "heapfile.h"

enum JoinType {NLJoin, SMJoin, HashJoin};

//
// Prototypes for query layer functions
//


const Status QU_Select(const string & result,
		       const int projCnt,
		       const attrInfo projNames[],
		       const attrInfo *attr,
		       const Operator op,
		       const char *attrValue);

const Status QU_Join(const string & result,
		     const int projCnt,
		     const attrInfo projNames[],
		     const attrInfo *attr1,
		     const Operator op,
		     const attrInfo *attr2);

const Status QU_Insert(const string & relation,
		       const int attrCnt,
		       const attrInfo attrList[]);

const Status QU_Delete(const string & relation,
		       const string & attrName,
		       const Operator op,
		       const Datatype type,
		       const char *attrValue);

#endif