error.c

linux 下用c++ 开发的一个小型数据库系统

#include <sys/types.h>
#include <functional>
#include <iostream>
using namespace std;
#include "error.h"

void Error::print(Status status)
{
  cerr << "Error: ";
  switch(status) {

    // no error

    case OK:           cerr << "no error"; break;

    // File and DB errors

    case BADFILEPTR:   cerr << "bad file pointer"; break;
    case BADFILE:      cerr << "bad filename"; break;
    case FILETABFULL:  cerr << "open file table full"; break;
    case FILEOPEN:     cerr << "file open"; break;
    case FILENOTOPEN:  cerr << "file not open"; break;
    case UNIXERR:      cerr << "Unix error"; perror("Unix error"); break;
    case BADPAGEPTR:   cerr << "bad page pointer"; break;
    case BADPAGENO:    cerr << "bad page number"; break;
    case FILEEXISTS:   cerr << "file exists already"; break;

    // BufMgr and HashTable errors

    case HASHTBLERROR: cerr << "hash table error"; break;
    case HASHNOTFOUND: cerr << "hash entry not found"; break;
    case BUFFEREXCEEDED: cerr << "buffer pool full"; break;
    case PAGENOTPINNED: cerr << "page not pinned"; break;
    case BADBUFFER: cerr << "buffer pool corrupted"; break;
    case PAGEPINNED: cerr << "page still pinned"; break;

    // Page class errors

    case NOSPACE: cerr << "no space on page for record"; break;
    case NORECORDS: cerr << "page is empty - no records"; break;
    case ENDOFPAGE: cerr << "last record on page"; break;
    case INVALIDSLOTNO: cerr << "invalid slot number"; break;
    case INVALIDRECLEN: cerr << "specified record length <= 0";break;

    // Heap file errors

    case BADRID:       cerr << "bad record id"; break;
    case BADRECPTR:    cerr << "bad record pointer"; break;
    case BADSCANPARM:  cerr << "bad scan parameter"; break;
    case SCANTABFULL:  cerr << "scan table full"; break;
    case FILEEOF:      cerr << "end of file encountered"; break;
    case FILEHDRFULL:  cerr << "heapfile hdear page is full"; break;
   

    // Index errors

    case BADINDEXPARM: cerr << "bad index parameter"; break;
    case RECNOTFOUND:  cerr << "no such record"; break;
    case BUCKETFULL:   cerr << "bucket full"; break;
    case DIROVERFLOW:  cerr << "directory is full"; break;
    case NONUNIQUEENTRY: cerr << "nonunique entry"; break;
    case NOMORERECS:   cerr << "no more records"; break;

    // Sorted file errors

    case BADSORTPARM:  cerr << "bad sort parameter"; break;
    case INSUFMEM:     cerr << "insufficient memory"; break;

    // Catalog errors

    case BADCATPARM:   cerr << "bad catalog parameter"; break;
    case RELNOTFOUND:  cerr << "relation not in catalog"; break;
    case ATTRNOTFOUND: cerr << "attribute not in catalog"; break;
    case NAMETOOLONG:  cerr << "name too long"; break;
    case ATTRTOOLONG:  cerr << "attributes too long"; break;
    case DUPLATTR:     cerr << "duplicate attribute names"; break;
    case RELEXISTS:    cerr << "relation exists already"; break;
    case NOINDEX:      cerr << "no index exists"; break;
    case ATTRTYPEMISMATCH:   cerr << "attribute type mismatch"; break;
    case TMP_RES_EXISTS:    cerr << "temp result already exists"; break;    
    case INDEXEXISTS:  cerr << "index exists already"; break;
    
    case DIFBTWOP:   cerr <<"different attribute between of operator"; break;
    case ATTRXT:     cerr <<"create same attrName"; break ;

    default:           cerr << "undefined error status: " << status;
  }
  cerr << endl;
}