代码拉取完成,页面将自动刷新
#include <iostream>
#include <string>
#include <sstream>
#include <time.h>
#include <strings.h>
#include <string.h>
#include "sqlite3.h"
const int nCount = 500000;
int main ( int argc, char** argv )
{
sqlite3* db;
sqlite3_open ( "testdb.db", &db );
sqlite3_exec ( db, "PRAGMA synchronous = OFF; ", 0, 0, 0 );
sqlite3_exec ( db, "drop table if exists t1", 0, 0, 0 );
sqlite3_exec ( db, "create table t1(id integer,x integer,y integer ,weight real)", 0, 0, 0 );
clock_t t1 = clock();
sqlite3_exec ( db, "begin;", 0, 0, 0 );
sqlite3_stmt* stmt;
const char* sql = "insert into t1 values(?,?,?,?)";
sqlite3_prepare_v2 ( db, sql, strlen ( sql ), &stmt, 0 );
for ( int i = 0; i < nCount; ++i )
{
// std::stringstream ssm;
// ssm<<"insert into t1 values("<<i<<","<<i*2<<","<<i/2<<","<<i*i<<")";
// sqlite3_exec(db,ssm.str().c_str(),0,0,0);
sqlite3_reset ( stmt );
sqlite3_bind_int ( stmt, 1, i );
sqlite3_bind_int ( stmt, 2, i * 2 );
sqlite3_bind_int ( stmt, 3, i / 2 );
sqlite3_bind_double ( stmt, 4, i * i );
sqlite3_step ( stmt );
}
sqlite3_finalize ( stmt );
sqlite3_exec ( db, "commit;", 0, 0, 0 );
clock_t t2 = clock();
sqlite3_close ( db );
std::cout << 1000.0 / ( ( t2 - t1 ) / 1000.0 ) *nCount << " rec/s" << std::endl;
return 0;
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。