C++ ROLLBACK函数代码示例

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本文整理汇总了C++中ROLLBACK函数的典型用法代码示例。如果您正苦于以下问题：C++ ROLLBACK函数的具体用法？C++ ROLLBACK怎么用？C++ ROLLBACK使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了ROLLBACK函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: fopen

DumpReturn PlayerDumpReader::LoadDump(const std::string& file, uint32 account, std::string name, uint32 guid)
{
    bool nameInvalidated = false;                           // set when name changed or will requested changed at next login

    // check character count
    uint32 charcount = sAccountMgr.GetCharactersCount(account);
    if (charcount >= 10)
        return DUMP_TOO_MANY_CHARS;

    FILE* fin = fopen(file.c_str(), "r");
    if (!fin)
        return DUMP_FILE_OPEN_ERROR;

    QueryResult* result = NULL;
    char newguid[20], chraccount[20], newpetid[20], currpetid[20], lastpetid[20];

    // make sure the same guid doesn't already exist and is safe to use
    bool incHighest = true;
    if (guid != 0 && guid < sObjectMgr.m_CharGuids.GetNextAfterMaxUsed())
    {
        result = CharacterDatabase.PQuery("SELECT * FROM characters WHERE guid = '%u'", guid);
        if (result)
        {
            guid = sObjectMgr.m_CharGuids.GetNextAfterMaxUsed();
            delete result;
        }
        else incHighest = false;
    }
    else
        guid = sObjectMgr.m_CharGuids.GetNextAfterMaxUsed();

    // normalize the name if specified and check if it exists
    if (!normalizePlayerName(name))
        name = "";

    if (ObjectMgr::CheckPlayerName(name, true) == CHAR_NAME_SUCCESS)
    {
        CharacterDatabase.escape_string(name);              // for safe, we use name only for sql quearies anyway
        result = CharacterDatabase.PQuery("SELECT * FROM characters WHERE name = '%s'", name.c_str());
        if (result)
        {
            name = "";                                      // use the one from the dump
            delete result;
        }
    }
    else
        name = "";

    // name encoded or empty

    snprintf(newguid, 20, "%u", guid);
    snprintf(chraccount, 20, "%u", account);
    snprintf(newpetid, 20, "%u", sObjectMgr.GeneratePetNumber());
    snprintf(lastpetid, 20, "%s", "");

    std::map<uint32, uint32> items;
    std::map<uint32, uint32> mails;
    std::map<uint32, uint32> itemTexts;
    char buf[32000] = "";

    typedef std::map<uint32, uint32> PetIds;                // old->new petid relation
    typedef PetIds::value_type PetIdsPair;
    PetIds petids;

    CharacterDatabase.BeginTransaction();
    while (!feof(fin))
    {
        if (!fgets(buf, 32000, fin))
        {
            if (feof(fin)) break;
            ROLLBACK(DUMP_FILE_BROKEN);
        }

        std::string line; line.assign(buf);

        // skip empty strings
        size_t nw_pos = line.find_first_not_of(" \t\n\r\7");
        if (nw_pos == std::string::npos)
            continue;

        // skip NOTE
        if (line.substr(nw_pos, 15) == "IMPORTANT NOTE:")
            continue;

        // add required_ check
        if (line.substr(nw_pos, 41) == "UPDATE character_db_version SET required_")
        {
            if (!CharacterDatabase.Execute(line.c_str()))
                ROLLBACK(DUMP_FILE_BROKEN);

            continue;
        }

        // determine table name and load type
        std::string tn = gettablename(line);
        if (tn.empty())
        {
            sLog.outError("LoadPlayerDump: Can't extract table name from line: '%s'!", line.c_str());
            ROLLBACK(DUMP_FILE_BROKEN);
        }
//.........这里部分代码省略.........

开发者ID:kotishe，项目名称:server-1，代码行数:101，代码来源:PlayerDump.cpp

示例2: fopen

DumpReturn PlayerDumpReader::LoadDump(std::string const& file, uint32 account, std::string name, uint32 guid)
{
    uint32 charcount = AccountMgr::GetCharactersCount(account);
    if (charcount >= 10)
        return DUMP_TOO_MANY_CHARS;

    FILE* fin = fopen(file.c_str(), "r");
    if (!fin)
        return DUMP_FILE_OPEN_ERROR;

    char newguid[20], chraccount[20], newpetid[20], currpetid[20], lastpetid[20];

    // make sure the same guid doesn't already exist and is safe to use
    bool incHighest = true;
    if (guid != 0 && guid < sObjectMgr->_hiCharGuid)
    {
        PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_CHECK_GUID);
        stmt->setUInt32(0, guid);
        PreparedQueryResult result = CharacterDatabase.Query(stmt);

        if (result)
            guid = sObjectMgr->_hiCharGuid;                     // use first free if exists
        else incHighest = false;
    }
    else
        guid = sObjectMgr->_hiCharGuid;

    // normalize the name if specified and check if it exists
    if (!normalizePlayerName(name))
        name = "";

    if (ObjectMgr::CheckPlayerName(name, true) == CHAR_NAME_SUCCESS)
    {
        PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_CHECK_NAME);
        stmt->setString(0, name);
        PreparedQueryResult result = CharacterDatabase.Query(stmt);

        if (result)
            name = "";                                      // use the one from the dump
    }
    else
        name = "";

    // name encoded or empty

    snprintf(newguid, 20, "%u", guid);
    snprintf(chraccount, 20, "%u", account);
    snprintf(newpetid, 20, "%u", sObjectMgr->GeneratePetNumber());
    snprintf(lastpetid, 20, "%s", "");

    std::map<uint32, uint32> items;
    std::map<uint32, uint32> mails;
    char buf[32000] = "";

    typedef std::map<uint32, uint32> PetIds;                // old->new petid relation
    typedef PetIds::value_type PetIdsPair;
    PetIds petids;

    uint8 gender = GENDER_NONE;
    uint8 race = RACE_NONE;
    uint8 playerClass = 0;
    uint8 level = 1;

    SQLTransaction trans = CharacterDatabase.BeginTransaction();
    while (!feof(fin))
    {
        if (!fgets(buf, 32000, fin))
        {
            if (feof(fin))
                break;
            ROLLBACK(DUMP_FILE_BROKEN);
        }

        std::string line; line.assign(buf);

        // skip empty strings
        size_t nw_pos = line.find_first_not_of(" \t\n\r\7");
        if (nw_pos == std::string::npos)
            continue;

        // skip logfile-side dump start notice, the important notes and dump end notices
        if ((line.substr(nw_pos, 16) == "== START DUMP ==") ||
            (line.substr(nw_pos, 15) == "IMPORTANT NOTE:") ||
            (line.substr(nw_pos, 14) == "== END DUMP =="))
            continue;

        // add required_ check
        /*
        if (line.substr(nw_pos, 41) == "UPDATE character_db_version SET required_")
        {
            if (!CharacterDatabase.Execute(line.c_str()))
                ROLLBACK(DUMP_FILE_BROKEN);

            continue;
        }
        */

        // determine table name and load type
        std::string tn = gettablename(line);
        if (tn.empty())
//.........这里部分代码省略.........

开发者ID:ArkaniaTrinityFix，项目名称:Arkania，代码行数:101，代码来源:PlayerDump.cpp

示例3: COUNT

DumpReturn PlayerDumpReader::LoadDump(const std::string& file, uint32 account, std::string name, uint32 guid)
{
    // check character count
    {
        QueryResult *result = CharacterDatabase.PQuery("SELECT COUNT(guid) FROM characters WHERE account = '%d'", account);
        uint8 charcount = 0;
        if (result)
        {
            Field *fields=result->Fetch();
            charcount = fields[0].GetUInt8();
            delete result;

            if (charcount >= 10)
                return DUMP_TOO_MANY_CHARS;
        }
    }

    FILE *fin = fopen(file.c_str(), "r");
    if (!fin)
        return DUMP_FILE_OPEN_ERROR;

    QueryResult * result = NULL;
    char newguid[20], chraccount[20], newpetid[20], currpetid[20], lastpetid[20];

    // make sure the same guid doesn't already exist and is safe to use
    bool incHighest = true;
    if (guid != 0 && guid < objmgr.m_hiCharGuid)
    {
        result = CharacterDatabase.PQuery("SELECT * FROM characters WHERE guid = '%d'", guid);
        if (result)
        {
            guid = objmgr.m_hiCharGuid;                     // use first free if exists
            delete result;
        }
        else incHighest = false;
    }
    else
        guid = objmgr.m_hiCharGuid;

    // normalize the name if specified and check if it exists
    if (!normalizePlayerName(name))
        name = "";

    if (ObjectMgr::CheckPlayerName(name,true) == CHAR_NAME_SUCCESS)
    {
        CharacterDatabase.escape_string(name);              // for safe, we use name only for sql quearies anyway
        result = CharacterDatabase.PQuery("SELECT * FROM characters WHERE name = '%s'", name.c_str());
        if (result)
        {
            name = "";                                      // use the one from the dump
            delete result;
        }
    }
    else
        name = "";

    // name encoded or empty

    snprintf(newguid, 20, "%d", guid);
    snprintf(chraccount, 20, "%d", account);
    snprintf(newpetid, 20, "%d", objmgr.GeneratePetNumber());
    snprintf(lastpetid, 20, "%s", "");

    std::map<uint32,uint32> items;
    std::map<uint32,uint32> mails;
    std::map<uint32,uint32> itemTexts;
    char buf[32000] = "";

    typedef std::map<uint32, uint32> PetIds;                // old->new petid relation
    typedef PetIds::value_type PetIdsPair;
    PetIds petids;

    CharacterDatabase.BeginTransaction();
    while(!feof(fin))
    {
        if(!fgets(buf, 32000, fin))
        {
            if(feof(fin)) break;
            ROLLBACK(DUMP_FILE_BROKEN);
        }

        std::string line; line.assign(buf);

        // skip empty strings
        size_t nw_pos = line.find_first_not_of(" \t\n\r\7");
        if(nw_pos==std::string::npos)
            continue;

        // skip NOTE
        if(line.substr(nw_pos,15)=="IMPORTANT NOTE:")
            continue;

        // add required_ check
        if(line.substr(nw_pos,41)=="UPDATE character_db_version SET required_")
        {
            if(!CharacterDatabase.Execute(line.c_str()))
                ROLLBACK(DUMP_FILE_BROKEN);

            continue;
        }
//.........这里部分代码省略.........

开发者ID:pfchrono，项目名称:mangos-mods，代码行数:101，代码来源:PlayerDump.cpp

示例4: fopen

DumpReturn PlayerDumpReader::LoadDump(std::string const& file, uint32 account, std::string name, ObjectGuid::LowType guid)
{
    uint32 charcount = AccountMgr::GetCharactersCount(account);
    if (charcount >= sWorld->getIntConfig(CONFIG_CHARACTERS_PER_REALM))
        return DUMP_TOO_MANY_CHARS;

    FILE* fin = fopen(file.c_str(), "r");
    if (!fin)
        return DUMP_FILE_OPEN_ERROR;

    char newguid[20], chraccount[20];

    // make sure the same guid doesn't already exist and is safe to use
    bool incHighest = true;
    if (guid && guid < sObjectMgr->GetGenerator<HighGuid::Player>().GetNextAfterMaxUsed())
    {
        PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_CHECK_GUID);
        stmt->setUInt64(0, guid);
        PreparedQueryResult result = CharacterDatabase.Query(stmt);

        if (result)
            guid = sObjectMgr->GetGenerator<HighGuid::Player>().GetNextAfterMaxUsed();                     // use first free if exists
        else
            incHighest = false;
    }
    else
        guid = sObjectMgr->GetGenerator<HighGuid::Player>().GetNextAfterMaxUsed();

    // normalize the name if specified and check if it exists
    if (!normalizePlayerName(name))
        name.clear();

    if (ObjectMgr::CheckPlayerName(name, sWorld->GetDefaultDbcLocale(), true) == CHAR_NAME_SUCCESS)
    {
        PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_CHECK_NAME);
        stmt->setString(0, name);
        PreparedQueryResult result = CharacterDatabase.Query(stmt);

        if (result)
            name.clear();                                       // use the one from the dump
    }
    else
        name.clear();

    // name encoded or empty

    snprintf(newguid, 20, UI64FMTD, guid);
    snprintf(chraccount, 20, "%u", account);

    DumpGuidMap items;
    DumpGuidMap mails;
    char buf[32000] = "";

    typedef std::map<uint32 /*old*/, uint32 /*new*/> PetIds;
    PetIds petIds;

    uint8 gender = GENDER_NONE;
    uint8 race = RACE_NONE;
    uint8 playerClass = 0;
    uint8 level = 1;

    ObjectGuid::LowType itemLowGuidOffset = sObjectMgr->GetGenerator<HighGuid::Item>().GetNextAfterMaxUsed();

    SQLTransaction trans = CharacterDatabase.BeginTransaction();
    while (!feof(fin))
    {
        if (!fgets(buf, 32000, fin))
        {
            if (feof(fin))
                break;
            ROLLBACK(DUMP_FILE_BROKEN);
        }

        std::string line; line.assign(buf);

        // skip empty strings
        size_t nw_pos = line.find_first_not_of(" \t\n\r\7");
        if (nw_pos == std::string::npos)
            continue;

        // skip logfile-side dump start notice, the important notes and dump end notices
        if ((line.substr(nw_pos, 16) == "== START DUMP ==") ||
            (line.substr(nw_pos, 15) == "IMPORTANT NOTE:") ||
            (line.substr(nw_pos, 14) == "== END DUMP =="))
            continue;

        // add required_ check
        /*
        if (line.substr(nw_pos, 41) == "UPDATE character_db_version SET required_")
        {
            if (!CharacterDatabase.Execute(line.c_str()))
                ROLLBACK(DUMP_FILE_BROKEN);

            continue;
        }
        */

        // determine table name and load type
        std::string tn = GetTableName(line);
        if (tn.empty())
//.........这里部分代码省略.........

开发者ID:DSlayerMan，项目名称:DraenorCore，代码行数:101，代码来源:PlayerDump.cpp

注：本文中的ROLLBACK函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。