linux C sqlite3 mysql

/* ********** gcc main.c -lsqlite3 -I/usr/include/mysql -L/usr/lib/mysql -lmysqlclient ************

SQLITE_OK = 0; 返回成功
SQLITE_ERROR = 1; SQL错误或错误的数据库
SQLITE_INTERNAL = 2; An internal logic error in SQLite
SQLITE_PERM = 3; 拒绝访问
SQLITE_ABORT = 4; 回调函数请求中断
SQLITE_BUSY = 5; 数据库文件被锁
SQLITE_LOCKED = 6; 数据库中的一个表被锁
SQLITE_NOMEM = 7; 内存分配失败
SQLITE_READONLY = 8; 试图对一个只读数据库进行写操作
SQLITE_INTERRUPT = 9; 由sqlite_interrupt()结束操作
SQLITE_IOERR = 10; 磁盘I/O发生错误
SQLITE_CORRUPT = 11; 数据库磁盘镜像畸形
SQLITE_NOTFOUND = 12; (Internal Only)表或记录不存在
SQLITE_FULL = 13; 数据库满插入失败
SQLITE_CANTOPEN = 14; 不能打开数据库文件
SQLITE_PROTOCOL = 15; 数据库锁定协议错误
SQLITE_EMPTY = 16; (Internal Only)数据库表为空
SQLITE_SCHEMA = 17; 数据库模式改变
SQLITE_TOOBIG = 18; 对一个表数据行过多
SQLITE_CONSTRAINT = 19; 由于约束冲突而中止
SQLITE_MISMATCH = 20; 数据类型不匹配
SQLITE_MISUSE = 21; 数据库错误使用
SQLITE_NOLFS = 22; 使用主机操作系统不支持的特性
SQLITE_AUTH = 23; 非法授权
SQLITE_FORMAT = 24; 辅助数据库格式错误
SQLITE_RANGE = 25; 2nd parameter to sqlite_bind out of range
SQLITE_NOTADB = 26; 打开的不是一个数据库文件
SQLITE_ROW = 100; sqlite_step() has another row ready
SQLITE_DONE = 101; sqlite_step() has finished executing

*************************************************************************************************** */

#include "DB.h"

gseMutex dbMutex=GSE_MUTEX_INIT;
static int IsUpdateAll = 0;
static int iDelCount = 0;
const int FREE_NUM = 1000;
static int needVacuum = 0;

int DBOpen(dbClass *sqlDB, const char *sqlName, char *localhost, char *user, char *password)
{
    if(sqlDB == NULL || sqlName == NULL || 0 == strlen(sqlName))
    {
        gseLog(L_ERROR,"NULL *p");
        return -1;
    }

    int ret = 0;
    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;

        localhost = NULL;
        user = NULL;
        password = NULL;

        char sqlPathName[64]={0};
        sprintf(sqlPathName, "%s", sqlName);
        ret = sqlite3_open(sqlPathName, (struct sqlite3 **)&(sqlDB->db));
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR,"ret = %d, Cannot open db: %s",ret,sqlite3_errmsg(sqlDB->db));
        }
        gseMutexUnlock(&dbMutex);
//      gseLog(L_INFO,"Open database");

    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        if(localhost == NULL || user == NULL || password == NULL)
        {
            gseLog(L_ERROR,"localhost user password is NULL");
            return -1;
        }

        char creatDbStr[64]={0};
        char useDbStr[64]={0};
        sprintf(creatDbStr, "create database %s", sqlName);
        sprintf(useDbStr, "use %s", sqlName);

        sqlDB->db= mysql_init(NULL);
        if (sqlDB->db== NULL)
        {
            gseLog(L_ERROR,"sqlOpen Error 1 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
            exit(1);
        }
        if (mysql_real_connect(sqlDB->db, localhost, user, password, NULL, 0, NULL, 0) == NULL)
        {
            gseLog(L_ERROR,"sqlOpen Error 2 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
            exit(1);
        }
        ret = mysql_query(sqlDB->db, creatDbStr);
        if (ret)
        {
            gseLog(L_ERROR,"sqlOpen Error 3 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
        ret = mysql_query(sqlDB->db, useDbStr);
        if (ret)
        {
            gseLog(L_ERROR,"sqlOpen Error 4 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
            exit(1);
        }
#endif

    }
    else
    {
        return -2;
    }
    return ret;

}

int DBClose(dbClass *sqlDB)
{
    if(NULL == sqlDB || NULL == sqlDB->db)
    {
        return -1;
    }
    int ret = 0;
    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;
        ret = sqlite3_close(sqlDB->db);
        gseMutexUnlock(&dbMutex);
    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        mysql_close(sqlDB->db);
#endif
    }
    else
    {
        return -2;
    }

//  gseLog(L_INFO, "Close database");
    return ret;
}

int DBCreate(dbClass *sqlDB, const char *tableName, char *creatValueStr)
{
    if(sqlDB == NULL || tableName == NULL || creatValueStr == NULL || NULL == sqlDB->db || 0 == strlen(creatValueStr))
    {
        gseLog(L_ERROR,"*db is NULL");
        return -1;
    }

    char *errmsg = 0;
    int ret = 0;
    char createString[MAX_SQLSTR]={0};
    if(strlen(creatValueStr) >= 1)
        creatValueStr[strlen(creatValueStr) - 1]=‘\0‘;
    sprintf(createString, "create table %s(%s)", tableName,creatValueStr);
    //create table tb_cardId(cardID KEY, cardNum INT, endDate INT, password NVARCHAR(8))
    memset(creatValueStr, 0, strlen(creatValueStr));

    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;
        ret = sqlite3_exec(sqlDB->db,createString,NULL,NULL,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR,"ret = %d, create table fail: %s", ret, errmsg);
        }
        else
            gseLog(L_INFO, "create table %s success.", tableName);
        sqlite3_free(errmsg);
        gseMutexUnlock(&dbMutex);
    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;

        ret = mysql_query(sqlDB->db, createString);
        if (ret)
        {
            gseLog(L_ERROR,"sqlCreate Error  %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
#endif
    }
    else
    {
        return -2;
    }

    return ret;
}

int DBInsert(dbClass *sqlDB, const char *tableName, char *valuesString)
{
    if(sqlDB == NULL || tableName == NULL || valuesString == NULL || NULL == sqlDB->db || 0 == strlen(valuesString))
    {
        gseLog(L_ERROR,"*db is NULL");
        return -1;
    }
    char *errmsg = 0;
    int ret = 0;
    char sqlInsetTable[MAX_SQLSTR]={0};
    if(strlen(valuesString) >= 1)
        valuesString[strlen(valuesString)-1]=‘\0‘;
    sprintf(sqlInsetTable, "insert into %s values(%s)",tableName,valuesString);
    //insert into tb_cardId values(1,124343223,20130101,‘12345678‘);
    memset(valuesString, 0, strlen(valuesString));

    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;
        ret = sqlite3_exec(sqlDB->db,sqlInsetTable,NULL,NULL,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR, "%s",sqlInsetTable);
            gseLog(L_ERROR,"ret = %d, inset table fail: %s",ret,errmsg);
        }
        sqlite3_free(errmsg);
        gseMutexUnlock(&dbMutex);
    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        ret = mysql_query(sqlDB->db, sqlInsetTable);
        if (ret)
        {
            gseLog(L_ERROR,"sqlInsert Error 4 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
#endif
    }
    else
    {
        ret = -2;
    }
    if(1 == IsUpdateAll && 0 != ret)
    {
        rollBack(sqlDB);
        return ret;
    }

    return ret;
}

int DBUpdate(dbClass *sqlDB, const char *tableName, char *updateSetStr, char *updateWhereStr)
{
    if(sqlDB == NULL || tableName == NULL || updateSetStr == NULL || updateWhereStr == NULL)
    {
        gseLog(L_ERROR,"*db is NULL");
        return -1;
    }
    if(strlen(updateSetStr) >= 1)
        updateSetStr[strlen(updateSetStr)-1]=‘\0‘;
    if(strlen(updateWhereStr) >= 3)
        updateWhereStr[strlen(updateWhereStr)-3]=‘\0‘;
    char *errmsg = 0;
    int ret = 0;
    char sqlUpdateTable[MAX_SQLSTR]={0};
    sprintf(sqlUpdateTable, "update %s set %s where %s", tableName, updateSetStr, updateWhereStr);
    //update tb_cardID set cardNum=1243423,password=‘323443‘ where cardID=1 and endDate=2013;
    memset(updateSetStr, 0, strlen(updateSetStr));
    memset(updateWhereStr, 0, strlen(updateWhereStr));

    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;
        ret = sqlite3_exec(sqlDB->db,sqlUpdateTable,NULL,NULL,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR, "%s",sqlUpdateTable);
            gseLog(L_ERROR,"ret = %d, update table fail: %s", ret, errmsg);
        }
        sqlite3_free(errmsg);
        gseMutexUnlock(&dbMutex);
    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        ret = mysql_query(sqlDB->db, sqlUpdateTable);
        if (ret)
        {
            gseLog(L_ERROR,"sqlUpdate Error 4 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
#endif
    }
    else
    {
        ret = -2;
    }
    if(1 == IsUpdateAll && 0 != ret)
    {
        rollBack(sqlDB);
        return ret;
    }

    return ret;
}

int DBSearch(dbClass *sqlDB, const char *tableName, char *searchWhereStr, char (*returnValue)[SEARCH_MAXLEN])
{
    if(sqlDB == NULL || tableName == NULL || searchWhereStr == NULL)
    {
        gseLog(L_ERROR,"*db is NULL");
        return -1;
    }
    char *errmsg = 0;
    int ret = 0;
    char sqlSearchTable[MAX_SQLSTR]={0};
    int i;
    int nRow=0,nColumn=0;

    if(strlen(searchWhereStr) >= 3)
        searchWhereStr[strlen(searchWhereStr)-3]=‘\0‘;
    sprintf(sqlSearchTable, "select * from %s where %s",tableName,searchWhereStr);
    //select * from tb_cardID where cardNum=323435;
    memset(searchWhereStr, 0, strlen(searchWhereStr));

    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;
        char **azResult;
        ret = sqlite3_get_table(sqlDB->db, sqlSearchTable, &azResult, &nRow, &nColumn,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR, "%s",sqlSearchTable);
            gseLog(L_ERROR,"ret = %d, search table fail: %s", ret, errmsg);
        }
//      gseLog(L_INFO,"row:%d column=%d",nRow, nColumn);
        for(i=nColumn;i<(nRow+1)*nColumn;i++)
        {
//          printf("azResult[%d] = %s\n", i, azResult[i]);
            if(azResult[i] != NULL && (*returnValue + SEARCH_MAXLEN*(i-nColumn)) != NULL)
                strcpy(*returnValue + SEARCH_MAXLEN*(i-nColumn), azResult[i]);
        }
        sqlite3_free_table(azResult);
        sqlite3_free(errmsg);
        gseMutexUnlock(&dbMutex);
        if(0 == nRow)
            return 1;
        else if(1 <= nRow)
            return 0;
    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        ret = mysql_query(sqlDB->db, sqlSearchTable);
        if (ret)
        {
            gseLog(L_ERROR,"sqlSearch Error 4 %u: %s\n", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
        MYSQL_RES *result;
        MYSQL_ROW row;
        MYSQL_FIELD *field;
        int num_fields;
        result = mysql_store_result(sqlDB->db);
        num_fields = mysql_num_fields(result);
        while ((row = mysql_fetch_row(result)))
        {
            nRow++;
            for(i = 0; i < num_fields; i++)
            {
                if (i == 0) {
                    while(field = mysql_fetch_field(result)) {
                        printf("%s ", field->name);
                    }
                    printf("\n");
                }
                printf("%s  ", row[i] ? row[i] : "NULL");
            }
        }
        printf("\n");
        mysql_free_result(result);

        if(nRow == 0)
            return 0;
        else
            return nRow;
#endif
    }

    return -2;
}

int DBDelete(dbClass *sqlDB, const char *tableName, char *searchWhereStr)
{
    if(sqlDB == NULL || tableName == NULL || searchWhereStr == NULL)
    {
        gseLog(L_ERROR,"*db is NULL");
        return -1;
    }
    char *errmsg = 0;
    int ret = 0;
    char sqlDeleteTable[MAX_SQLSTR]={0};
    if(strlen(searchWhereStr) >= 3)
    {
        searchWhereStr[strlen(searchWhereStr)-3]=‘\0‘;
        sprintf(sqlDeleteTable, "delete from %s where %s", tableName, searchWhereStr);
        memset(searchWhereStr, 0, strlen(searchWhereStr));
    }
    else if(strlen(searchWhereStr) == 0)
        sprintf(sqlDeleteTable, "delete from %s", tableName);

    //delete from tb_cardID where cardID=1;
//  gseLog(L_DEBUG, "%s",sqlDeleteTable);

    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;
        ret = sqlite3_exec(sqlDB->db,sqlDeleteTable,NULL,NULL,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR,"ret = %d, delete table fail: %s", ret, errmsg);
        }
        sqlite3_free(errmsg);
        needVacuum = 1;
#if 0
        if (iDelCount++ > FREE_NUM)
        {
            iDelCount = 0;
            ret = sqlite3_exec(sqlDB->db,"vacuum",NULL,NULL,&errmsg);
            if(ret != SQLITE_OK)
            {
                gseLog(L_ERROR,"ret = %d, vacuum fail: %s", ret, errmsg);
            }
            sqlite3_free(errmsg);
        }
#endif
        gseMutexUnlock(&dbMutex);
    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        ret = mysql_query(sqlDB->db, sqlDeleteTable);
        if (ret)
        {
            printf("sqlDelete Error %u: %s\n", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
#endif
    }
    else
    {
        ret = -2;
    }
    if(1 == IsUpdateAll && 0 != ret)
    {
        rollBack(sqlDB);
        return ret;
    }

    return ret;
}

int DBVacuum(dbClass *sqlDB)
{
    if(sqlDB == NULL)
    {
        gseLog(L_ERROR,"*db is NULL");
        return -1;
    }
    char *errmsg = 0;
    int ret = 0;
    if(sqlDB->type == SQL_SQLITE3 && 1 == needVacuum)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;
        ret = sqlite3_exec(sqlDB->db,"vacuum",NULL,NULL,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR,"ret = %d, vacuum fail: %s", ret, errmsg);
        }
        else
        {
            needVacuum = 0;
        }
        sqlite3_free(errmsg);
        gseMutexUnlock(&dbMutex);
    }
    return ret;
}

int DBIndex(dbClass *sqlDB, const char *tableName, char *indexName, char *columnName)
{
    if(sqlDB == NULL || tableName == NULL || indexName == NULL || columnName == NULL)
    {
        gseLog(L_ERROR,"SQLITE_Index NULL *p");
        return -1;
    }
    int ret = 0;
    char *errmsg = 0;
    char sqlCreateIndex[MAX_SQLSTR]={0};
    sprintf(sqlCreateIndex, "create index %s on %s(%s)", indexName, tableName, columnName);
//  gseLog(L_DEBUG, "%s",sqlCreateIndex);

    if(sqlDB->type == SQL_SQLITE3)
    {
        sqlDB->db = (sqlite3 *)sqlDB->db;
        ret = sqlite3_exec(sqlDB->db,sqlCreateIndex,NULL,NULL,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR,"ret = %d, index table fail: %s", ret, errmsg);
        }
        sqlite3_free(errmsg);
    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        ret = mysql_query(sqlDB->db, sqlCreateIndex);
        if (ret)
        {
            printf("sqlIndex Error %u: %s\n", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
#endif
    }

    return ret;
}

int DBGetIdKey(dbClass *sqlDB, const char *tableName, const char *keyName, char (*returnValue)[ID_KEYLEN])
{
    if(sqlDB == NULL || tableName == NULL || keyName== NULL)
    {
        gseLog(L_ERROR,"*db is NULL");
        return -1;
    }
    char *errmsg = 0;
    int ret = 0;
    char sqlSearchTable[MAX_SQLSTR]={0};
    int i;
    int nRow=0,nColumn=0;

    sprintf(sqlSearchTable, "select %s from %s", keyName, tableName);

    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->db = (sqlite3 *)sqlDB->db;
        char **azResult;
        ret = sqlite3_get_table(sqlDB->db, sqlSearchTable, &azResult, &nRow, &nColumn,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR, "%s",sqlSearchTable);
            gseLog(L_ERROR,"ret = %d, search table fail: %s", ret, errmsg);
        }
//      gseLog(L_INFO,"row:%d column=%d",nRow, nColumn);
        for(i=nColumn;i<(nRow+1)*nColumn;i++)
        {
//          printf("azResult[%d] = %s\n", i, azResult[i]);
            if(azResult[i] != NULL && (*returnValue + ID_KEYLEN*(i-nColumn)) != NULL)
                strcpy(*returnValue + ID_KEYLEN*(i-nColumn), azResult[i]);
            else
                break;
        }
        sqlite3_free_table(azResult);
        sqlite3_free(errmsg);
        gseMutexUnlock(&dbMutex);
        if(nRow == 0)
            return 0;
        else
            return nRow;
    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        ret = mysql_query(sqlDB->db, sqlSearchTable);
        if (ret)
        {
            gseLog(L_ERROR,"sqlSearch Error 4 %u: %s\n", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
        MYSQL_RES *result;
        MYSQL_ROW row;
        MYSQL_FIELD *field;
        int num_fields;
        result = mysql_store_result(sqlDB->db);
        num_fields = mysql_num_fields(result);
        while ((row = mysql_fetch_row(result)))
        {
            nRow++;
            for(i = 0; i < num_fields; i++)
            {
                if (i == 0) {
                    while(field = mysql_fetch_field(result)) {
                        printf("%s ", field->name);
                    }
                    printf("\n");
                }
                printf("%s  ", row[i] ? row[i] : "NULL");
            }
        }
        printf("\n");
        mysql_free_result(result);

        if(nRow == 0)
            return 0;
        else
            return nRow;
#endif
    }

    return -2;
}

int DBExecSql(dbClass *sqlDB, const char *sqlStr)
{
    if(sqlDB == NULL || sqlStr == NULL)
    {
        gseLog(L_ERROR,"*db is NULL");
        return -1;
    }
    char *errmsg = 0;
    int ret = 0;

    if(sqlDB->type == SQL_SQLITE3)
    {
        sqlDB->db = (sqlite3 *)sqlDB->db;
        ret = sqlite3_exec(sqlDB->db,sqlStr,NULL,NULL,&errmsg);
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR,"ret = %d, exec sql(%s) fail: %s", ret, sqlStr, errmsg);
        }
        sqlite3_free(errmsg);
    }
    else if(sqlDB->type == SQL_MYSQL)
    {

    }

    return ret;
}

int dbAddColumn(char *createString, const char *keyName, const char *keyClass)
{
    if(createString == NULL || keyName == NULL || keyClass == NULL)
        return -1;
    char tmpKey[128];
    sprintf(tmpKey, "%s %s,", keyName, keyClass);
    strcat(createString, tmpKey);
    return 0;
}

int dbInsertColumn(char *insertString, char *value)
{
    if(insertString == NULL || value == NULL)
        return -1;
    strcat(insertString,value);
    strcat(insertString,",");
    return 0;
}

int dbUpdateSet(char *updateSetStr, const char *setKey, char *setValue)
{
    if(updateSetStr == NULL || setKey == NULL || setValue == NULL)
        return -1;
    char tmpStr[128]={0};
    sprintf(tmpStr, " %s=%s,", setKey, setValue);
    strcat(updateSetStr, tmpStr);
    return 0;

}

int dbSearchWhere(char *searchWhereStr, const char *whereKey, char *whereValue)
{
    if(searchWhereStr == NULL || whereKey == NULL || whereValue == NULL)
        return -1;
    char tmpStr[128]={0};
    sprintf(tmpStr, " %s=%s and", whereKey, whereValue);
    strcat(searchWhereStr , tmpStr);
    return 0;
}

int setFlagIsUpdateAll(dbClass *sqlDB, int n)
{
    int ret= 0;
    IsUpdateAll = n;
    if(-1 == IsUpdateAll)
        ret = rollBack(sqlDB);
    return ret;
}

int getFlagIsUpdateAll()
{
    return IsUpdateAll;
}

int beginExclusive(dbClass *sqlDB)
{
    int ret=0;
    char *errmsg = 0;
    sqlDB->db = (sqlite3 *)sqlDB->db;
    ret = sqlite3_exec(sqlDB->db,"BEGIN EXCLUSIVE", NULL,NULL, &errmsg);
    if(ret != SQLITE_OK)
    {
        gseLog(L_ERROR,"ret = %d, BEGIN EXCLUSIVE: %s", ret, errmsg);
    }
    sqlite3_free(errmsg);

    return ret;
}

int commitSQL(dbClass *sqlDB)
{
    int ret=0;
    char *errmsg = 0;
    sqlDB->db = (sqlite3 *)sqlDB->db;
    ret=sqlite3_exec(sqlDB->db,"COMMIT", NULL,NULL, &errmsg);
    if(ret != SQLITE_OK)
    {
        gseLog(L_ERROR,"ret = %d, COMMIT: %s", ret, errmsg);
    }
    sqlite3_free(errmsg);

    return ret;
}

int rollBack(dbClass *sqlDB)
{
    int ret=0;
    char *errmsg = 0;
    sqlDB->db = (sqlite3 *)sqlDB->db;
    ret=sqlite3_exec(sqlDB->db,"ROLLBACK", NULL,NULL, &errmsg);
    if(ret != SQLITE_OK)
    {
        gseLog(L_ERROR,"ret = %d, ROLLBACK: %s", ret, errmsg);
    }
    sqlite3_free(errmsg);
    return ret;
}

#ifdef MAIN_TEST
void main()
{
    char createValueStr[MAX_SQLSTR]={0};
    char insertString[MAX_SQLSTR]={0};
    char updateSetStr[MAX_SQLSTR]={0};
    char searchWhereStr[MAX_SQLSTR]={0};
    char *dbFileName="lkdb";
    char *tableName="tb";
    char *colList[]={"ID","names","sexsex"};
    int ret=0;

    timeLog();
    dbClass sqlDB;
    sqlDB.type = SQL_SQLITE3;
    DBOpen(&sqlDB, dbFileName, NULL, NULL, NULL);

//  sqlDB.type = SQL_MYSQL;
//  DBOpen(&sqlDB, dbFileName, "localhost", "root", "mima");
#if 1
    dbAddColumn(createValueStr, colList[0], PRIMAY_KEY);
    dbAddColumn(createValueStr, colList[1], NVARCHAR_32);
    dbAddColumn(createValueStr, colList[2], NVARCHAR_32);
    DBCreate(&sqlDB, tableName, createValueStr);

    dbInsertColumn(insertString, "1");
    dbInsertColumn(insertString, "‘y_jg‘");
    dbInsertColumn(insertString, "‘man‘");
    DBInsert(&sqlDB,tableName,insertString);
    dbInsertColumn(insertString, "2");
    dbInsertColumn(insertString, "‘lk‘");
    dbInsertColumn(insertString, "‘man‘");
    DBInsert(&sqlDB,tableName,insertString);
    dbInsertColumn(insertString, "3");
    dbInsertColumn(insertString, "‘fqq‘");
    dbInsertColumn(insertString, "‘woman‘");
    DBInsert(&sqlDB,tableName,insertString);
    dbInsertColumn(insertString, "4");
    dbInsertColumn(insertString, "‘xf‘");
    dbInsertColumn(insertString, "‘man‘");
    DBInsert(&sqlDB,tableName,insertString);
#endif
    dbUpdateSet(updateSetStr,"names", "‘xxxx‘");
    dbSearchWhere(searchWhereStr,"id","3");
    DBUpdate(&sqlDB,tableName,updateSetStr,searchWhereStr);
    DBClose(&sqlDB);

    timeLog();

}
#endif

版权声明：本文为博主原创文章，未经博主允许不得转载。

时间： 2024-12-30 00:43:47

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