OCI 批量数据操作

#include "ocilib.h"
#include<time.h>
#include<iostream>
using namespace std;


std::string get_last_error()
{
	char buffer[512] = {0x00};
	OCI_Error *err = OCI_GetLastError();
	sprintf(buffer, "oci: errorcode: %d, errmsg: %s",OCI_ErrorGetOCICode(err), OCI_ErrorGetString(err));
	return std::string(buffer);
}

int main(int argc, char *argv[])
{
	OCI_Connection* cn;
	OCI_Statement* stmt;
	OCI_Resultset* rs;

	OCI_Initialize(NULL, NULL, OCI_ENV_DEFAULT);

	cn = OCI_ConnectionCreate("127.0.0.1:1521/db", "user", "pwd", OCI_SESSION_DEFAULT);
	stmt = OCI_StatementCreate(cn);

	std::string insert_str = "insert into quote ( zqdm, exchange,quotetime) values (:zqdm, :exchange,:quotetime)";
	std::string update_str = "update quote set quotetime=:quotetime where exchange=:exchange and zqdm=:zqdm";
	
	time_t t = 0;
	struct tm st = {0};
	time(&t);
	localtim