hugoscanread.cpp

mysql-5.0.22.tar.gz源码包

/* Copyright (C) 2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#include <ndb_global.h>

#include <NdbOut.hpp>

#include <NdbApi.hpp>
#include <NdbMain.h>
#include <NDBT.hpp> 
#include <NdbSleep.h>
#include <getarg.h>

#include <HugoTransactions.hpp>

int main(int argc, const char** argv){
  ndb_init();

  int _records = 0;
  int _loops = 1;
  int _abort = 0;
  int _parallelism = 1;
  const char* _tabname = NULL, *db = 0;
  int _help = 0;
  int lock = NdbOperation::LM_Read;
  int sorted = 0;

  struct getargs args[] = {
    { "aborts", 'a', arg_integer, &_abort, "percent of transactions that are aborted", "abort%" },
    { "loops", 'l', arg_integer, &_loops, "number of times to run this program(0=infinite loop)", "loops" },
    { "parallelism", 'p', arg_integer, &_parallelism, "parallelism(1-240)", "para" },
    { "records", 'r', arg_integer, &_records, "Number of records", "recs" },
    { "usage", '?', arg_flag, &_help, "Print help", "" },
    { "lock", 'm', arg_integer, &lock, "lock mode", "" },
    { "sorted", 's', arg_flag, &sorted, "sorted", "" },
    { "database", 'd', arg_string, &db, "Database", "" }
  };
  int num_args = sizeof(args) / sizeof(args[0]);
  int optind = 0;
  char desc[] = 
    " tabname\n"\
    "This program will scan read all records in one table in Ndb.\n"\
    "It will verify every column read by calculating the expected value.\n";
  
  if(getarg(args, num_args, argc, argv, &optind) || argv[optind] == NULL || _help) {
    arg_printusage(args, num_args, argv[0], desc);
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }
  _tabname = argv[optind];

  // Connect to Ndb
  Ndb_cluster_connection con;
  if(con.connect(12, 5, 1) != 0)
  {
    return NDBT_ProgramExit(NDBT_FAILED);
  }
  Ndb MyNdb( &con, db ? db : "TEST_DB" );

  if(MyNdb.init() != 0){
    ERR(MyNdb.getNdbError());
    return NDBT_ProgramExit(NDBT_FAILED);
  }

  while(MyNdb.waitUntilReady() != 0)
    ndbout << "Waiting for ndb to become ready..." << endl;
   
  // Check if table exists in db
  const NdbDictionary::Table * pTab = NDBT_Table::discoverTableFromDb(&MyNdb, _tabname);
  if(pTab == NULL){
    ndbout << " Table " << _tabname << " does not exist!" << endl;
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }

  const NdbDictionary::Index * pIdx = 0;
  if(optind+1 < argc)
  {
    pIdx = MyNdb.getDictionary()->getIndex(argv[optind+1], _tabname);
    if(!pIdx)
      ndbout << " Index " << argv[optind+1] << " not found" << endl;
    else
      if(pIdx->getType() != NdbDictionary::Index::OrderedIndex)
      {
	ndbout << " Index " << argv[optind+1] << " is not scannable" << endl;
	pIdx = 0;
      }
  }
  
  HugoTransactions hugoTrans(*pTab);
  int i = 0;
  while (i<_loops || _loops==0) {
    ndbout << i << ": ";
    if(!pIdx)
    {
      if(hugoTrans.scanReadRecords(&MyNdb, 
				   0,
				   _abort,
				   _parallelism,
				   (NdbOperation::LockMode)lock) != 0)
      {
	return NDBT_ProgramExit(NDBT_FAILED);
      }
    }
    else
    {
      if(hugoTrans.scanReadRecords(&MyNdb, pIdx, 
				   0,
				   _abort,
				   _parallelism,
				   (NdbOperation::LockMode)lock,
				   sorted) != 0)
      {
	return NDBT_ProgramExit(NDBT_FAILED);
      }
    }
    i++;
  }

  return NDBT_ProgramExit(NDBT_OK);
}