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linuxCsqlite3mysql(六)
2015-11-21 01:42:36 来源: 作者: 【 】 浏览:12
Tags:linuxCsqlite3mysql
et != 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 *whereva lue) { if(searchWhereStr == NULL || whereKey == NULL || whereva lue == NULL) return -1; char tmpStr[128]={0}; sprintf(tmpStr, " %s=%s and", whereKey, whereva lue); 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;
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