consumer.cpp

MySQL数据库开发源码 值得一看哦

/* 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 "consumer.hpp"

#ifdef USE_MYSQL
int
BackupConsumer::create_table_string(const TableS & table,
				    char * tableName,
				    char *buf){
  int pos = 0;
  int pos2 = 0;
  char buf2[2048];

  pos += sprintf(buf+pos, "%s%s", "CREATE TABLE ",  tableName);
  pos += sprintf(buf+pos, "%s", "(");
  pos2 += sprintf(buf2+pos2, "%s", " primary key(");

  for (int j = 0; j < table.getNoOfAttributes(); j++) 
  {
    const AttributeDesc * desc = table[j];
    //   ndbout << desc->name << ": ";
    pos += sprintf(buf+pos, "%s%s", desc->m_column->getName()," ");
    switch(desc->m_column->getType()){
    case NdbDictionary::Column::Int:
      pos += sprintf(buf+pos, "%s", "int");
      break;
    case NdbDictionary::Column::Unsigned:
      pos += sprintf(buf+pos, "%s", "int unsigned");
      break;
    case NdbDictionary::Column::Float:
      pos += sprintf(buf+pos, "%s", "float");
      break;
    case NdbDictionary::Column::Olddecimal:
    case NdbDictionary::Column::Decimal:
      pos += sprintf(buf+pos, "%s", "decimal");
      break;
    case NdbDictionary::Column::Olddecimalunsigned:
    case NdbDictionary::Column::Decimalunsigned:
      pos += sprintf(buf+pos, "%s", "decimal unsigned");
      break;
    case NdbDictionary::Column::Char:
      pos += sprintf(buf+pos, "%s", "char");
      break;
    case NdbDictionary::Column::Varchar:
      pos += sprintf(buf+pos, "%s", "varchar");
      break;
    case NdbDictionary::Column::Binary:
      pos += sprintf(buf+pos, "%s", "binary");
      break;
    case NdbDictionary::Column::Varbinary:
      pos += sprintf(buf+pos, "%s", "varchar binary");
      break;
    case NdbDictionary::Column::Bigint:
      pos += sprintf(buf+pos, "%s", "bigint");
      break;
    case NdbDictionary::Column::Bigunsigned:
      pos += sprintf(buf+pos, "%s", "bigint unsigned");
      break;
    case NdbDictionary::Column::Double:
      pos += sprintf(buf+pos, "%s", "double");
      break;
    case NdbDictionary::Column::Datetime:
      pos += sprintf(buf+pos, "%s", "datetime");
      break;
    case NdbDictionary::Column::Date:
      pos += sprintf(buf+pos, "%s", "date");
      break;
    case NdbDictionary::Column::Time:
      pos += sprintf(buf+pos, "%s", "time");
      break;
    case NdbDictionary::Column::Undefined:
      //      pos += sprintf(buf+pos, "%s", "varchar binary");
      return -1;
      break;
    default:
      //pos += sprintf(buf+pos, "%s", "varchar binary");
      return -1;
    }
    if (desc->arraySize > 1) {
      int attrSize = desc->arraySize;
      pos += sprintf(buf+pos, "%s%u%s",
		     "(",
		     attrSize,
		     ")");
    }
    if (desc->m_column->getPrimaryKey()) {
      pos += sprintf(buf+pos, "%s", " not null");
      pos2 += sprintf(buf2+pos2, "%s%s", desc->m_column->getName(), ",");
    }
    pos += sprintf(buf+pos, "%s", ",");
  } // for
  pos2--; // remove trailing comma
  pos2 += sprintf(buf2+pos2, "%s", ")");
  //  pos--; // remove trailing comma

  pos += sprintf(buf+pos, "%s", buf2);
  pos += sprintf(buf+pos, "%s", ") type=ndbcluster");
  return 0;
}

#endif // USE_MYSQL