mariadb-columnstore-engine/dbcon/ddlpackageproc/createtableprocessor.cpp

/* Copyright (C) 2014 InfiniDB, Inc.
   Copyright (C) 2016 MariaDB Corporation

   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; version 2 of
   the License.

   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., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

//   $Id: createtableprocessor.cpp 9627 2013-06-18 13:59:21Z rdempsey $

#include <unistd.h>
#include <string>
using namespace std;

#include <boost/algorithm/string/case_conv.hpp>

#include "createtableprocessor.h"

#include "ddlpkg.h"
using namespace ddlpackage;

#include "we_messages.h"
using namespace WriteEngine;

#include "oamcache.h"
using namespace oam;

#include "bytestream.h"
using namespace messageqcpp;

#include "calpontsystemcatalog.h"
using namespace execplan;

#include "sqllogger.h"
#include "messagelog.h"
using namespace logging;

namespace ddlpackageprocessor
{
CreateTableProcessor::DDLResult CreateTableProcessor::processPackageInternal(
    ddlpackage::SqlStatement* sqlStmt)
{
  SUMMARY_INFO("CreateTableProcessor::processPackage");

  DDLResult result;
  BRM::TxnID txnID;
  txnID.id = fTxnid.id;
  txnID.valid = fTxnid.valid;
  result.result = NO_ERROR;
  int rc1 = 0;
  rc1 = fDbrm->isReadWrite();

  if (rc1 != 0)
  {
    Message::Args args;
    Message message(9);
    args.add("Unable to execute the statement due to DBRM is read only");
    message.format(args);
    result.result = CREATE_ERROR;
    result.message = message;
    fSessionManager.rolledback(txnID);
    return result;
  }

  ddlpackage::CreateTableStatement* createTableStmt =
      dynamic_cast<ddlpackage::CreateTableStatement*>(sqlStmt);

  if (!createTableStmt)
  {
    Message::Args args;
    Message message(9);
    args.add("CreateTableStatement wrong cast");
    message.format(args);
    result.result = CREATE_ERROR;
    result.message = message;
    return result;
  }

  DETAIL_INFO(createTableStmt);
  ddlpackage::TableDef& tableDef = *(createTableStmt->fTableDef);
  // If schema = CALPONTSYS, do not create table

  if (tableDef.fQualifiedName->fSchema == CALPONT_SCHEMA)
  {
    // release the transaction
    fSessionManager.rolledback(txnID);
    return result;
  }

  // Commit current transaction.
  // all DDL statements cause an implicut commit
  VERBOSE_INFO("Getting current txnID");

  // Check whether the table is existed already
  boost::shared_ptr<CalpontSystemCatalog> systemCatalogPtr =
      CalpontSystemCatalog::makeCalpontSystemCatalog(createTableStmt->fSessionID);
  execplan::CalpontSystemCatalog::TableName tableName;
  tableName.schema = tableDef.fQualifiedName->fSchema;
  tableName.table = tableDef.fQualifiedName->fName;
  execplan::CalpontSystemCatalog::ROPair roPair;
  roPair.objnum = 0;
  ByteStream::byte rc = 0;

  /** @Bug 217 */
  /** @Bug 225 */
  try
  {
    roPair = systemCatalogPtr->tableRID(tableName);
  }
  catch (IDBExcept& ie)
  {
    if (checkPPLostConnection(ie.what()))
    {
      result.result = NETWORK_ERROR;
      return result;
    }
    else
    {
      // TODO: What is and is not an error here?
      if (ie.errorCode() == ERR_DATA_OFFLINE)
      {
        // release transaction
        fSessionManager.rolledback(txnID);
        // Return the error for display to user
        Message::Args args;
        Message message(9);
        args.add(ie.what());
        message.format(args);
        result.result = CREATE_ERROR;
        result.message = message;
        return result;
      }
      else if (ie.errorCode() == ERR_TABLE_NOT_IN_CATALOG)
      {
        roPair.objnum = 0;
      }
      else  // error out
      {
        // release transaction
        fSessionManager.rolledback(txnID);
        // Return the error for display to user
        Message::Args args;
        Message message(9);
        args.add(ie.what());
        message.format(args);
        result.result = CREATE_ERROR;
        result.message = message;
        return result;
      }
    }
  }
  catch (std::exception& ex)  // error out
  {
    // release transaction
    fSessionManager.rolledback(txnID);
    // Return the error for display to user
    Message::Args args;
    Message message(9);
    args.add(ex.what());
    message.format(args);
    result.result = CREATE_ERROR;
    result.message = message;
    return result;
  }
  catch (...)  // error out
  {
    // release transaction
    fSessionManager.rolledback(txnID);
    // Return the error for display to user
    Message::Args args;
    Message message(9);
    args.add("Unknown exception caught when checking if the table name is already in use.");
    message.format(args);
    result.result = CREATE_ERROR;
    result.message = message;
    return result;
  }

  // This is a current db bug, it should not turn OID is it cannot find
  if (roPair.objnum >= 3000)
  {
    Message::Args args;
    Message message(9);
    args.add("Internal create table error for");
    args.add(tableName.toString());
    args.add(": table already exists");
    args.add("(your schema is probably out-of-sync)");
    message.format(args);

    result.result = CREATE_ERROR;
    result.message = message;
    // release the transaction
    fSessionManager.rolledback(txnID);
    return result;
  }

  // Start a new transaction
  VERBOSE_INFO("Starting a new transaction");

  string stmt = createTableStmt->fSql + "|" + tableDef.fQualifiedName->fSchema + "|";
  SQLLogger logger(stmt, fDDLLoggingId, createTableStmt->fSessionID, txnID.id);

  std::string err;
  execplan::ObjectIDManager fObjectIDManager;
  OamCache* oamcache = OamCache::makeOamCache();
  string errorMsg;
  // get a unique number
  uint64_t uniqueId = 0;

  // Bug 5070. Added exception handling
  try
  {
    uniqueId = fDbrm->getUnique64();
  }
  catch (std::exception& ex)
  {
    Message::Args args;
    Message message(9);
    args.add(ex.what());
    message.format(args);
    result.result = CREATE_ERROR;
    result.message = message;
    fSessionManager.rolledback(txnID);
    return result;
  }
  catch (...)
  {
    Message::Args args;
    Message message(9);
    args.add("Unknown error occurred while getting unique number.");
    message.format(args);
    result.result = CREATE_ERROR;
    result.message = message;
    fSessionManager.rolledback(txnID);
    return result;
  }

  fWEClient->addQueue(uniqueId);

  try
  {
    // Allocate tableoid table identification
    VERBOSE_INFO("Allocating object ID for table");
    // Allocate a object ID for each column we are about to create
    VERBOSE_INFO("Allocating object IDs for columns");
    uint32_t numColumns = tableDef.fColumns.size();
    uint32_t numDictCols = 0;

    for (unsigned i = 0; i < numColumns; i++)
    {
      int dataType;
      dataType = convertDataType(tableDef.fColumns[i]->fType->fType);

      if ((dataType == CalpontSystemCatalog::CHAR && tableDef.fColumns[i]->fType->fLength > 8) ||
          (dataType == CalpontSystemCatalog::VARCHAR && tableDef.fColumns[i]->fType->fLength > 7) ||
          (dataType == CalpontSystemCatalog::VARBINARY && tableDef.fColumns[i]->fType->fLength > 7) ||
          (dataType == CalpontSystemCatalog::BLOB && tableDef.fColumns[i]->fType->fLength > 7) ||
          (dataType == CalpontSystemCatalog::TEXT && tableDef.fColumns[i]->fType->fLength > 7))
        numDictCols++;
    }

    // Include column oids, dictionary oids, tableoid, and
    // also include AUX oid as of MCOL-5021
    fStartingColOID = fObjectIDManager.allocOIDs(numColumns + numDictCols + 2);
#ifdef IDB_DDL_DEBUG
    cout << fTxnid.id << " Create table allocOIDs got the starting oid " << fStartingColOID << endl;
#endif

    uint32_t numColumnOids = numColumns + numDictCols;
    numColumnOids += 1;  // MCOL-5021

    if (fStartingColOID < 0)
    {
      result.result = CREATE_ERROR;
      errorMsg = "Error in getting objectid from oidmanager.";
      Message::Args args;
      Message message(9);
      args.add("(1)Create table failed due to ");
      args.add(errorMsg);
      message.format(args);
      result.message = message;
      fSessionManager.rolledback(txnID);
      return result;
    }

    // Write the table metadata to the systemtable
    VERBOSE_INFO("Writing meta data to SYSTABLE");
    ByteStream bytestream;
    bytestream << (ByteStream::byte)WE_SVR_WRITE_SYSTABLE;
    bytestream << uniqueId;
    bytestream << (uint32_t)createTableStmt->fSessionID;
    bytestream << (uint32_t)txnID.id;
    bytestream << (uint32_t)fStartingColOID;
    bytestream << (uint32_t)(fStartingColOID + numColumnOids);
    bytestream << (uint32_t)createTableStmt->fTableWithAutoi;
    uint16_t dbRoot;
    BRM::OID_t sysOid = 1001;
    // Find out where systable is
    rc = fDbrm->getSysCatDBRoot(sysOid, dbRoot);

    if (rc != 0)
    {
      result.result = (ResultCode)rc;
      Message::Args args;
      Message message(9);
      args.add("Error while calling getSysCatDBRoot ");
      args.add(errorMsg);
      message.format(args);
      result.message = message;
      // release transaction
      fSessionManager.rolledback(txnID);
      return result;
    }

    int pmNum = 1;
    bytestream << (uint32_t)dbRoot;
    tableDef.serialize(bytestream);
    boost::shared_ptr<messageqcpp::ByteStream> bsIn;
    boost::shared_ptr<std::map<int, int> > dbRootPMMap = oamcache->getDBRootToPMMap();
    pmNum = (*dbRootPMMap)[dbRoot];
    // MCOL-66 The DBRM can't handle concurrent DDL
    boost::mutex::scoped_lock lk(dbrmMutex);

    try
    {
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " create table sending We_SVR_WRITE_SYSTABLE to pm " << pmNum << endl;
#endif
      fWEClient->write(bytestream, (unsigned)pmNum);

      while (1)
      {
        bsIn.reset(new ByteStream());
        fWEClient->read(uniqueId, bsIn);

        if (bsIn->length() == 0)  // read error
        {
          rc = NETWORK_ERROR;
          errorMsg = "Lost connection to Write Engine Server while updating SYSTABLES";
          break;
        }
        else
        {
          *bsIn >> rc;

          if (rc != 0)
          {
            errorMsg.clear();
            *bsIn >> errorMsg;
#ifdef IDB_DDL_DEBUG
            cout << fTxnid.id << "Create table We_SVR_WRITE_CREATETABLEFILES: " << errorMsg << endl;
#endif
          }

          break;
        }
      }
    }
    catch (runtime_error& ex)  // write error
    {
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " create table got exception" << ex.what() << endl;
#endif
      rc = NETWORK_ERROR;
      errorMsg = ex.what();
    }
    catch (...)
    {
      rc = NETWORK_ERROR;
#ifdef IDB_DDL_DEBUG
      cout << "create table got unknown exception" << endl;
#endif
    }

    if (rc != 0)
    {
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " Create table We_SVR_WRITE_CREATETABLEFILES: " << errorMsg << endl;
#endif
      result.result = (ResultCode)rc;
      Message::Args args;
      Message message(9);
      args.add("(2)Create table failed due to ");
      args.add(errorMsg);
      message.format(args);
      result.message = message;

      if (rc != NETWORK_ERROR)
      {
        rollBackTransaction(uniqueId, txnID, createTableStmt->fSessionID);  // What to do with the error code
      }

      // release transaction
      fSessionManager.rolledback(txnID);
      return result;
    }

    VERBOSE_INFO("Writing meta data to SYSCOLUMN");
    bytestream.restart();
    bytestream << (ByteStream::byte)WE_SVR_WRITE_CREATE_SYSCOLUMN;
    bytestream << uniqueId;
    bytestream << (uint32_t)createTableStmt->fSessionID;
    bytestream << (uint32_t)txnID.id;
    bytestream << numColumns;

    for (unsigned i = 0; i < numColumns; ++i)
    {
      bytestream << (uint32_t)(fStartingColOID + i + 1);
    }

    bytestream << numDictCols;

    for (unsigned i = 0; i < numDictCols; ++i)
    {
      bytestream << (uint32_t)(fStartingColOID + numColumns + i + 1);
    }

    uint8_t alterFlag = 0;
    int colPos = 0;
    bytestream << (ByteStream::byte)alterFlag;
    bytestream << (uint32_t)colPos;

    sysOid = 1021;
    // Find out where syscolumn is
    rc = fDbrm->getSysCatDBRoot(sysOid, dbRoot);

    if (rc != 0)
    {
      result.result = (ResultCode)rc;
      Message::Args args;
      Message message(9);
      args.add("Error while calling getSysCatDBRoot ");
      args.add(errorMsg);
      message.format(args);
      result.message = message;
      // release transaction
      fSessionManager.rolledback(txnID);
      return result;
    }

    bytestream << (uint32_t)dbRoot;
    tableDef.serialize(bytestream);
    pmNum = (*dbRootPMMap)[dbRoot];

    try
    {
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " create table sending WE_SVR_WRITE_CREATE_SYSCOLUMN to pm " << pmNum << endl;
#endif
      fWEClient->write(bytestream, (uint32_t)pmNum);

      while (1)
      {
        bsIn.reset(new ByteStream());
        fWEClient->read(uniqueId, bsIn);

        if (bsIn->length() == 0)  // read error
        {
          rc = NETWORK_ERROR;
          errorMsg = "Lost connection to Write Engine Server while updating SYSTABLES";
          break;
        }
        else
        {
          *bsIn >> rc;

          if (rc != 0)
          {
            errorMsg.clear();
            *bsIn >> errorMsg;
#ifdef IDB_DDL_DEBUG
            cout << fTxnid.id << "Create table We_SVR_WRITE_CREATETABLEFILES: " << errorMsg << endl;
#endif
          }

          break;
        }
      }
    }
    catch (runtime_error& ex)  // write error
    {
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " create table got exception" << ex.what() << endl;
#endif
      rc = NETWORK_ERROR;
      errorMsg = ex.what();
    }
    catch (...)
    {
      rc = NETWORK_ERROR;
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " create table got unknown exception" << endl;
#endif
    }

    if (rc != 0)
    {
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " Create table WE_SVR_WRITE_CREATE_SYSCOLUMN: " << errorMsg << endl;
#endif
      if (checkPPLostConnection(errorMsg))
      {
        result.result = PP_LOST_CONNECTION;
        return result;
      }
      else
      {
        result.result = (ResultCode)rc;
        Message::Args args;
        Message message(9);
        args.add("(3)Create table failed due to ");
        args.add(errorMsg);
        message.format(args);
        result.message = message;

        if (rc != NETWORK_ERROR)
        {
          rollBackTransaction(uniqueId, txnID,
                              createTableStmt->fSessionID);  // What to do with the error code
        }

        // release transaction
        fSessionManager.rolledback(txnID);
        return result;
      }
    }

    // Get the number of tables in the database, the current table is included.
    int tableCount = systemCatalogPtr->getTableCount();

    // Calculate which dbroot the columns should start
    DBRootConfigList dbRootList = oamcache->getDBRootNums();

    uint16_t useDBRootIndex = tableCount % dbRootList.size();
    // Find out the dbroot# corresponding the useDBRootIndex from oam
    uint16_t useDBRoot = dbRootList[useDBRootIndex];

    VERBOSE_INFO("Creating column files");
    ColumnDef* colDefPtr;
    ddlpackage::ColumnDefList tableDefCols = tableDef.fColumns;
    ColumnDefList::const_iterator iter = tableDefCols.begin();
    bytestream.restart();
    bytestream << (ByteStream::byte)WE_SVR_WRITE_CREATETABLEFILES;
    bytestream << uniqueId;
    bytestream << (uint32_t)txnID.id;
    bytestream << numColumnOids;
    unsigned colNum = 0;
    unsigned dictNum = 0;

    while (iter != tableDefCols.end())
    {
      colDefPtr = *iter;

      CalpontSystemCatalog::ColDataType dataType = convertDataType(colDefPtr->fType->fType);

      if (dataType == CalpontSystemCatalog::DECIMAL || dataType == CalpontSystemCatalog::UDECIMAL)
      {
        if (colDefPtr->fType->fPrecision == -1 || colDefPtr->fType->fPrecision == 0)
        {
          colDefPtr->fType->fLength = 8;
        }
        else if ((colDefPtr->fType->fPrecision > 0) && (colDefPtr->fType->fPrecision < 3))
        {
          colDefPtr->fType->fLength = 1;
        }

        else if (colDefPtr->fType->fPrecision < 5 && (colDefPtr->fType->fPrecision > 2))
        {
          colDefPtr->fType->fLength = 2;
        }
        else if (colDefPtr->fType->fPrecision > 4 && colDefPtr->fType->fPrecision < 10)
        {
          colDefPtr->fType->fLength = 4;
        }
        else if (colDefPtr->fType->fPrecision > 9 && colDefPtr->fType->fPrecision < 19)
        {
          colDefPtr->fType->fLength = 8;
        }
        else if (colDefPtr->fType->fPrecision > 18 && colDefPtr->fType->fPrecision < 39)
        {
          colDefPtr->fType->fLength = 16;
        }
      }

      bytestream << (fStartingColOID + (colNum++) + 1);
      bytestream << (uint8_t)dataType;
      bytestream << (uint8_t) false;

      bytestream << (uint32_t)colDefPtr->fType->fLength;
      bytestream << (uint16_t)useDBRoot;
      bytestream << (uint32_t)colDefPtr->fType->fCompressiontype;

      if ((dataType == CalpontSystemCatalog::CHAR && colDefPtr->fType->fLength > 8) ||
          (dataType == CalpontSystemCatalog::VARCHAR && colDefPtr->fType->fLength > 7) ||
          (dataType == CalpontSystemCatalog::VARBINARY && colDefPtr->fType->fLength > 7) ||
          (dataType == CalpontSystemCatalog::BLOB && colDefPtr->fType->fLength > 7) ||
          (dataType == CalpontSystemCatalog::TEXT && colDefPtr->fType->fLength > 7))
      {
        bytestream << (uint32_t)(fStartingColOID + numColumns + (dictNum++) + 1);
        bytestream << (uint8_t)dataType;
        bytestream << (uint8_t) true;
        bytestream << (uint32_t)colDefPtr->fType->fLength;
        bytestream << (uint16_t)useDBRoot;
        bytestream << (uint32_t)colDefPtr->fType->fCompressiontype;
      }

      ++iter;
    }

    bytestream << (fStartingColOID + numColumnOids);
    bytestream << (uint8_t)execplan::AUX_COL_DATATYPE;
    bytestream << (uint8_t) false;
    bytestream << (uint32_t)execplan::AUX_COL_WIDTH;
    bytestream << (uint16_t)useDBRoot;
    bytestream << (uint32_t)execplan::AUX_COL_COMPRESSION_TYPE;

    //@Bug 4176. save oids to a log file for cleanup after fail over.
    std::vector<CalpontSystemCatalog::OID> oidList;

    for (unsigned i = 0; i < numColumns; ++i)
    {
      oidList.push_back(fStartingColOID + i + 1);
    }

    bytestream << numDictCols;

    for (unsigned i = 0; i < numDictCols; ++i)
    {
      oidList.push_back(fStartingColOID + numColumns + i + 1);
    }

    // MCOL-5021
    oidList.push_back(fStartingColOID + numColumnOids);

    try
    {
      createWriteDropLogFile(fStartingColOID, uniqueId, oidList);
    }
    catch (std::exception& ex)
    {
      result.result = (ResultCode)rc;
      Message::Args args;
      Message message(9);
      args.add("(4)Create table failed due to ");
      args.add(ex.what());
      message.format(args);
      result.message = message;

      if (rc != NETWORK_ERROR)
      {
        rollBackTransaction(uniqueId, txnID, createTableStmt->fSessionID);  // What to do with the error code
      }

      // release transaction
      fSessionManager.rolledback(txnID);
      return result;
    }

    pmNum = (*dbRootPMMap)[useDBRoot];

    try
    {
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " create table sending WE_SVR_WRITE_CREATETABLEFILES to pm " << pmNum << endl;
#endif
      fWEClient->write(bytestream, pmNum);

      while (1)
      {
        bsIn.reset(new ByteStream());
        fWEClient->read(uniqueId, bsIn);

        if (bsIn->length() == 0)  // read error
        {
          rc = NETWORK_ERROR;
          errorMsg = "Lost connection to Write Engine Server while updating SYSTABLES";
          break;
        }
        else
        {
          *bsIn >> rc;

          if (rc != 0)
          {
            errorMsg.clear();
            *bsIn >> errorMsg;
#ifdef IDB_DDL_DEBUG
            cout << "Create table We_SVR_WRITE_CREATETABLEFILES: " << errorMsg << endl;
#endif
          }

          break;
        }
      }

      if (rc != 0)
      {
        // drop the newly created files
        bytestream.restart();
        bytestream << (ByteStream::byte)WE_SVR_WRITE_DROPFILES;
        bytestream << uniqueId;
        bytestream << (uint32_t)numColumnOids;

        for (unsigned i = 0; i < numColumnOids; i++)
        {
          bytestream << (uint32_t)(fStartingColOID + i + 1);
        }

        fWEClient->write(bytestream, pmNum);

        while (1)
        {
          bsIn.reset(new ByteStream());
          fWEClient->read(uniqueId, bsIn);

          if (bsIn->length() == 0)  // read error
          {
            break;
          }
          else
          {
            break;
          }
        }

        //@Bug 5464. Delete from extent map.
        fDbrm->deleteOIDs(oidList);
      }
    }
    catch (runtime_error&)
    {
      errorMsg = "Lost connection to Write Engine Server";
    }

    if (rc != 0)
    {
#ifdef IDB_DDL_DEBUG
      cout << fTxnid.id << " Create table We_SVR_WRITE_CREATETABLEFILES: " << errorMsg << endl;
#endif
      rollBackTransaction(uniqueId, txnID, createTableStmt->fSessionID);  // What to do with the error code
      fSessionManager.rolledback(txnID);
    }
    else
    {
      commitTransaction(uniqueId, txnID);
      fSessionManager.committed(txnID);
      fWEClient->removeQueue(uniqueId);
      deleteLogFile(DROPTABLE_LOG, fStartingColOID, uniqueId);
    }

    // Log the DDL statement.
    logDDL(createTableStmt->fSessionID, txnID.id, createTableStmt->fSql, createTableStmt->fOwner);
  }
  catch (std::exception& ex)
  {
    result.result = CREATE_ERROR;
    Message::Args args;
    Message message(9);
    args.add("(5)Create table failed due to ");
    args.add(ex.what());
    message.format(args);
    result.message = message;
    fSessionManager.rolledback(txnID);
    fWEClient->removeQueue(uniqueId);
    return result;
  }

  // fWEClient->removeQueue(uniqueId);
  if (rc != 0)
  {
    result.result = CREATE_ERROR;
    Message::Args args;
    Message message(9);
    args.add("(6)Create table failed due to ");
    args.add(errorMsg);
    message.format(args);
    result.message = message;
  }

  return result;
}

void CreateTableProcessor::rollBackCreateTable(const string& error, BRM::TxnID txnID, int sessionId,
                                               ddlpackage::TableDef& tableDef, DDLResult& result)
{
  cerr << "CreatetableProcessor::processPackage: " << error << endl;

  Message::Args args;
  Message message(1);
  args.add("(7)Create table Failed: ");
  args.add(error);
  args.add("");
  args.add("");
  message.format(args);

  result.result = CREATE_ERROR;
  result.message = message;

  fWriteEngine.rollbackTran(txnID.id, sessionId);

  size_t size = tableDef.fColumns.size();

  for (size_t i = 0; i < size; ++i)
  {
    fWriteEngine.dropColumn(txnID.id, fStartingColOID + i);
  }

  try
  {
    execplan::ObjectIDManager fObjectIDManager;
    fObjectIDManager.returnOID(fTableOID);
    fObjectIDManager.returnOIDs(fStartingColOID, fStartingColOID + tableDef.fColumns.size() - 1);
  }
  catch (std::exception& ex)
  {
    Message::Args args;
    Message message(6);
    args.add(ex.what());
    message.format(args);
    result.message = message;
    result.result = CREATE_ERROR;
  }
  catch (...)
  {
    Message::Args args;
    Message message(6);
    args.add("Unknown exception");
    message.format(args);
    result.message = message;
    result.result = CREATE_ERROR;
    // cout << "returnOIDs error" << endl;
  }

  DictionaryOIDList::const_iterator dictoid_iter = fDictionaryOIDList.begin();

  while (dictoid_iter != fDictionaryOIDList.end())
  {
    DictOID dictOID = *dictoid_iter;
    fWriteEngine.dropDctnry(txnID.id, dictOID.dictOID, dictOID.treeOID, dictOID.listOID);
    // fObjectIDManager.returnOID(dictOID.dictOID);

    ++dictoid_iter;
  }

  fSessionManager.rolledback(txnID);
}

}  // namespace ddlpackageprocessor