mirror of
https://github.com/mangosfour/server.git
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339 lines
11 KiB
C++
339 lines
11 KiB
C++
/*
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* Copyright (C) 2005-2012 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "defines.h"
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int main(int argc, char* argv[])
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{
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char sPGhost[26], sPGport[26], sPGdb[26], sPGuser[26], sPGpass[26];
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printf("Postgres connection settings\n Host>");
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scanf("%s",sPGhost);
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printf(" Port>");
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scanf("%s",sPGport);
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printf(" Base>");
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scanf("%s",sPGdb);
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printf(" User>");
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scanf("%s",sPGuser);
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printf(" Pass>");
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scanf("%s",sPGpass);
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///////////////////////////////
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///////PGSQL Connect///////////
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///////////////////////////////
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PGconn *mPGconn=NULL;
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mPGconn = PQsetdbLogin(sPGhost,sPGport, NULL, NULL, sPGdb, sPGuser, sPGpass);
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if (PQstatus(mPGconn) != CONNECTION_OK)
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{
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printf("Could not connect to Postgre database at [%s]: \n %s\n",sPGhost, PQerrorMessage(mPGconn));
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PQfinish(mPGconn);
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return 1;
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}
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else
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{
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printf("Connected to Postgre database at [%s]\n", sPGhost);
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printf(" PostgreSQL server ver: [%d]\n\n",PQserverVersion(mPGconn));
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}
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/// Set dummy notice processor
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PQsetNoticeProcessor(mPGconn, pg_notice, mPGconn);
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///////////////////////////////
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///////MySQL Connect///////////
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///////////////////////////////
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MYSQL *mysqlInit;
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mysqlInit = mysql_init(NULL);
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if (!mysqlInit)
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{
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printf( "Could not initialize Mysql connection\n" );
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return 1;
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}
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char sMYhost[26], sMYdb[26], sMYuser[26], sMYpass[26];
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int iMYport;
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printf("Mysql connection settings \n Host>");
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scanf("%s",sMYhost);
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printf(" Port>");
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scanf("%d",&iMYport);
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printf(" Base>");
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scanf("%s",sMYdb);
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printf(" User>");
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scanf("%s",sMYuser);
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printf(" Pass>");
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scanf("%s",sMYpass);
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mysql_options(mysqlInit,MYSQL_SET_CHARSET_NAME,"utf8");
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MYSQL *mMysql;
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mMysql = mysql_real_connect(mysqlInit, sMYhost, sMYuser, sMYpass, sMYdb, iMYport, NULL, 0);
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if (mMysql)
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{
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printf( "Connected to MySQL database at [%s] \n", sMYhost);
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printf( " MySQL client library: [%s] \n", mysql_get_client_info());
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printf( " MySQL server ver: [%s] \n\n", mysql_get_server_info( mMysql));
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}
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else
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{
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printf("Could not connect to MySQL database at [%s]:\n %s\n", sMYhost ,mysql_error(mysqlInit));
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mysql_close(mysqlInit);
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return 1;
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}
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//////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////
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MYSQL_RES *result = NULL;
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MYSQL_ROW row;
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MYSQL_FIELD *fields = NULL;
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uint64 rowCount = 0;
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uint32 fieldCount =0;
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result = mysql_list_tables( mMysql , NULL );
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rowCount = mysql_num_rows(result);
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/***********************/
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/* get list of tables */
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/***********************/
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T_TableList mTableList;
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mTableList.reserve((size_t)rowCount);
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while( (row = mysql_fetch_row(result)) !=NULL )
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{
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for (uint32 i = 0;i<mysql_num_fields(result);i++)
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{
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mTableList.push_back(row[i]);
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}
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}
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mysql_free_result(result);
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/****************************************/
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/* convert filed type and default type */
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/****************************************/
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T_Table m_Table;
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TDataBase m_DataBase_Map;
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m_DataBase_Map.clear();
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for (uint32 j=0; j<mTableList.size();++j)
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{
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result = mysql_list_fields(mMysql, mTableList[j].c_str(), NULL);
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fieldCount = mysql_num_fields(result);
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fields = mysql_fetch_fields(result);
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for (uint32 i=0; i<fieldCount;++i)
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{
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sField mfield;
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mfield.name = fields[i].name;
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if (!fields[i].def)
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{
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mfield.def = "NULL";
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}
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else if (!strcmp(fields[i].def,"0000-00-00 00:00:00"))
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{
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/// Convert MySQL Default timestamp to PGSQL Default timestamp
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mfield.def.append("'1970-01-01 00:00:00'");
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}
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else
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{
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/// Append '
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mfield.def.append("'");
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mfield.def.append(fields[i].def);;
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mfield.def.append("'");
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}
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mfield.type = ConvertNativeType(fields[i].type,fields[i].length);
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mfield.flags = fields[i].flags;
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m_Table.push_back(mfield);
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}
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m_DataBase_Map[mTableList[j]] = m_Table;
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m_Table.clear();
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mysql_free_result(result);
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}
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/******************************************/
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/* Conversion of the layout of the tables */
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/******************************************/
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uint32 count = 0;
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TDataBase::const_iterator citr;
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for (citr = m_DataBase_Map.begin(); citr != m_DataBase_Map.end(); ++citr)
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{
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ostringstream sql_str;
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sql_str<<"DROP TABLE IF EXISTS "<<(*citr).first.c_str()<<";\n";
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sql_str<<"CREATE TABLE "<<(*citr).first.c_str()<<"(\n";
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T_Table::const_iterator v_iter;
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ostringstream prim_key_str;
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ostringstream index_str;
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for (v_iter = (*citr).second.begin();
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v_iter != (*citr).second.end();
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++v_iter)
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{
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sql_str<<" "<<(*v_iter).name;
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if (((*v_iter).flags & AUTO_INCREMENT_FLAG)!=0)
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{
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/// AUTO_INCREMENT fields not have "default" data
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sql_str<<" bigserial";
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}
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else
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{
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sql_str<<" "<<(*v_iter).type;
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sql_str<<" default "<<(*v_iter).def;
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}
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/// IF column have PRIMARY KEY flag then use column in PRIMARY KEY
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if (IS_PRI_KEY( (*v_iter).flags )!=0)
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{
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if( prim_key_str.str().size())
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prim_key_str << ", ";
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else
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{
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prim_key_str << "ALTER TABLE ";
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prim_key_str << (*citr).first.c_str();
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prim_key_str << " ADD CONSTRAINT pk_";
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prim_key_str << (*citr).first.c_str();
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prim_key_str << "_";
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prim_key_str << (*v_iter).name;
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prim_key_str << " PRIMARY KEY (";
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}
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prim_key_str<<(*v_iter).name;
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}
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else if (((*v_iter).flags & MULTIPLE_KEY_FLAG)!=0)
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{
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/// IF column have INDEX flag then create INDEX
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index_str << "CREATE INDEX idx_";
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index_str << (*citr).first.c_str();
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index_str << "_";
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index_str << (*v_iter).name;
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index_str << " ON ";
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index_str << (*citr).first.c_str();
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index_str << " USING btree (";
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index_str << (*v_iter).name;
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index_str << ");\n";
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}
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else if (((*v_iter).flags & UNIQUE_KEY_FLAG)!=0)
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{
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/// IF column have UNIQUE INDEX flag then create INDEX
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index_str << "CREATE UNIQUE INDEX uidx_";
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index_str << (*citr).first.c_str();
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index_str << "_";
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index_str << (*v_iter).name;
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index_str << " ON ";
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index_str << (*citr).first.c_str();
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index_str << " USING btree (";
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index_str << (*v_iter).name;
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index_str << ");\n";
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}
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/// don't output "," for last column
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if(v_iter + 1 != (*citr).second.end())
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sql_str<< ",\n";
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else
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sql_str<< "\n";
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}
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sql_str<< ")\n";
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/// Out Table structure
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PG_Exec_str(sql_str.str(),mPGconn);
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/// out PRIMARY KEY
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if(prim_key_str.str().size())
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{
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prim_key_str<<")";
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PG_Exec_str(prim_key_str.str(),mPGconn);
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}
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/// out INDEX's
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if (index_str.str().size())
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PG_Exec_str(index_str.str(),mPGconn);
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++count;
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printf("Convert [%d] tables...\r",count);
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}
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printf("Completed the conversion of [%d] tables!\n", count);
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/****************/
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/* Copying data */
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/****************/
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count = 0;
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for (uint32 j=0; j<mTableList.size();++j)
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{
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ostringstream sql_str;
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sql_str << "SELECT * FROM ";
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sql_str << mTableList[j].c_str();
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if (mysql_query(mysqlInit,sql_str.str().c_str()) )
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continue;
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if (!(result = mysql_store_result(mysqlInit)))
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continue;
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while ((row = mysql_fetch_row(result))!=NULL)
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{
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ostringstream insert_str;
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insert_str << "INSERT INTO ";
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insert_str << mTableList[j].c_str();
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insert_str << " VALUES (";
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fieldCount = mysql_num_fields(result);
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fields = mysql_fetch_fields(result);
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for (uint32 i = 0 ; i < fieldCount ; ++i)
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{
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if (!row[i])
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insert_str << "NULL";
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else
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{
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if (IsNeeedEscapeString(fields[i].type))
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{
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string field_str = row[i];
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PG_Escape_Str(field_str);
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insert_str << "E'";
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insert_str << field_str.c_str();
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insert_str << "'";
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}
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else if (!strcmp(row[i],"0000-00-00 00:00:00"))
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{
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/// Convert MySQL timestamp to PGSQL timestamp
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insert_str << "'1970-01-01 00:00:00'";
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}
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else
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{
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insert_str << "'";
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insert_str << row[i];
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insert_str << "'";
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}
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}
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/// don't output "," for last column
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if(i + 1 != fieldCount )
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insert_str<< ",";
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else
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insert_str<< ")\n";
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}
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PG_Exec_str(insert_str.str(), mPGconn);
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}
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mysql_free_result(result);
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++count;
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printf("Copied data from [%d] tables...\r",count);
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}
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printf("Finished copying the data from [%d] tables!\n",count);
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mTableList.clear();
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m_DataBase_Map.clear();
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/// Close connections
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mysql_close(mMysql);
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PQfinish(mPGconn);
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printf("end\n");
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return 0;
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}
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