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318 lines
6.8 KiB
C++
318 lines
6.8 KiB
C++
// sqlite.cpp : 定义控制台应用程序的入口点。
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//
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#include "stdafx.h"
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#include "acl_cpp/lib_acl.hpp"
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const char* CREATE_TBL =
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"create table group_tbl\r\n"
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"(\r\n"
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"group_name varchar(128) not null,\r\n"
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"uvip_tbl varchar(32) not null default 'uvip_tbl',\r\n"
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"access_tbl varchar(32) not null default 'access_tbl',\r\n"
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"access_week_tbl varchar(32) not null default 'access_week_tbl',\r\n"
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"access_month_tbl varchar(32) not null default 'access_month_tbl',\r\n"
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"update_date date not null default '1970-1-1',\r\n"
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"disable integer not null default 0,\r\n"
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"add_by_hand integer not null default 0,\r\n"
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"class_level integer not null default 0,\r\n"
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"primary key(group_name, class_level)\r\n"
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")";
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static bool tbl_create(acl::db_handle& db)
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{
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if (db.tbl_exists("group_tbl"))
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{
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printf("table exist\r\n");
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return (true);
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}
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else if (db.sql_update(CREATE_TBL) == false)
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{
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printf("sql error\r\n");
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return (false);
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}
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else
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{
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printf("create table ok\r\n");
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return (true);
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}
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}
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// 添加表数据
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static bool tbl_insert(acl::db_handle& db, int n)
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{
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const char* sql_fmt = "insert into group_tbl('group_name', 'uvip_tbl')"
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" values('中国人-%d', 'test')";
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acl::string sql;
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sql.format(sql_fmt, n);
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if (db.sql_update(sql.c_str()) == false)
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return (false);
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const acl::db_rows* result = db.get_result();
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if (result)
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{
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const std::vector<acl::db_row*>& rows = result->get_rows();
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for (size_t i = 0; i < rows.size(); i++)
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{
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const acl::db_row* row = rows[i];
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for (size_t j = 0; j < row->length(); j++)
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printf("%s, ", (*row)[j]);
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printf("\r\n");
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}
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}
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db.free_result();
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return (true);
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}
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// 查询表数据
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static int tbl_select(acl::db_handle& db, int n)
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{
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const char* sql_fmt = "select * from group_tbl where"
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" group_name='中国人-%d' and uvip_tbl='test'";
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acl::string sql;
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sql.format(sql_fmt, n);
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if (db.sql_select(sql.c_str()) == false)
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{
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printf("select sql error\r\n");
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return (-1);
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}
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// 列出查询结果方法一
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const acl::db_rows* result = db.get_result();
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if (result)
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{
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const std::vector<acl::db_row*>& rows = result->get_rows();
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for (size_t i = 0; i < rows.size(); i++)
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{
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if (n >= 5)
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continue;
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const acl::db_row* row = rows[i];
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for (size_t j = 0; j < row->length(); j++)
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printf("%s, ", (*row)[j]);
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printf("\r\n");
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}
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}
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// 列出查询结果方法二
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for (size_t i = 0; i < db.length(); i++)
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{
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if (n >= 5)
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continue;
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const acl::db_row* row = db[i];
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// 取出该行记录中某个字段的值
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const char* ptr = (*row)["group_name"];
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if (ptr == NULL)
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{
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printf(("error, no group name\r\n"));
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continue;
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}
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printf("group_name=%s: ", ptr);
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for (size_t j = 0; j < row->length(); j++)
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printf("%s, ", (*row)[j]);
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printf("\r\n");
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}
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int ret = (int) db.length();
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// 释放查询结果
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db.free_result();
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return (ret);
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}
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// 删除表数据
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static bool tbl_delete(acl::db_handle& db, int n)
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{
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const char* sql_fmt = "delete from group_tbl where group_name='中国人-%d'";
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acl::string sql;
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sql.format(sql_fmt, n);
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if (db.sql_update(sql.c_str()) == false)
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{
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printf("delete sql error\r\n");
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return (false);
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}
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for (size_t i = 0; i < db.length(); i++)
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{
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const acl::db_row* row = db[i];
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for (size_t j = 0; j < row->length(); j++)
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printf("%s, ", (*row)[j]);
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printf("\r\n");
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}
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// 释放查询结果
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db.free_result();
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return (true);
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}
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class db_thread : public acl::thread
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{
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public:
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db_thread(acl::db_sqlite& db, acl::locker& lk, int min, int max)
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: db_(db), lk_(lk), min_(min), max_(max) {}
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~db_thread(void) {}
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protected:
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// @override
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void* run(void)
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{
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for (int i = min_; i < max_; i++)
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{
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lk_.lock();
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if (tbl_insert(db_, i))
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printf(">>insert ok: i=%d, affected: %d\r",
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i, db_.affect_count());
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else
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{
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printf(">>insert error: i = %d\r\n", i);
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abort();
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}
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lk_.unlock();
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}
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printf("\r\n");
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printf(">>insert total affect: %d\n", db_.affect_total_count());
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int n = 0;
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for (int i = min_; i < max_; i++)
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{
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lk_.lock();
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int ret = tbl_select(db_, i);
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lk_.unlock();
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if (ret >= 0)
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{
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n += ret;
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printf(">>select ok: i=%d, ret=%d\r", i, ret);
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}
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else
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{
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printf(">>select error: i = %d\r\n", i);
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abort();
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}
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}
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printf("\r\n");
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printf(">>select total: %d\r\n", n);
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for (int i = min_; i < max_; i++)
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{
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lk_.lock();
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if (tbl_delete(db_, i))
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printf(">>delete ok: %d, affected: %d\r",
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i, (int) db_.affect_count());
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else
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{
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printf(">>delete error: i = %d\r\n", i);
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abort();
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}
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lk_.unlock();
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}
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printf("\r\n");
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printf(">>delete total affected: %d\n", db_.affect_total_count());
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return NULL;
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}
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private:
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acl::db_sqlite& db_;
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acl::locker& lk_;
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int min_;
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int max_;
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};
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int main(void)
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{
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acl::acl_cpp_init();
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acl::log::stdout_open(true);
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acl::stdin_stream in;
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acl::stdout_stream out;
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acl::string line;
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#if defined(_WIN32) || defined(_WIN64)
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const char* libname = "sqlite3.dll";
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#else
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const char* libname = "libsqlite3.so";
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#endif
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acl::string path;
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out.format("Enter %s load path: ", libname);
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if (in.gets(line) && !line.empty())
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#if defined(_WIN32) || defined(_WIN64)
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path.format("%s\\%s", line.c_str(), libname);
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#else
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path.format("%s/%s", line.c_str(), libname);
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#endif
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else
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path = libname;
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out.format("%s path: %s\r\n", libname, path.c_str());
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// 设置动态库加载的全路径
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acl::db_handle::set_loadpath(path);
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//acl::string dbfile("测试数据库.db");
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acl::string dbfile("./path1/path2/mydb.db");
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// db_sqlite 类对象的声明需在 set_loadpath 之后，因为在 db_sqlite 的
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// 构造函数中需要运行加载 libsqlite3.so
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acl::db_sqlite db(dbfile, "gbk");
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if (db.open() == false)
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{
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printf("open dbfile: %s error\r\n", dbfile.c_str());
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getchar();
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return 1;
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}
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printf("open dbfile %s ok\r\n", dbfile.c_str());
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if (tbl_create(db) == false)
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{
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printf("create table error\r\n");
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getchar();
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return 1;
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}
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// 配置数据库引擎
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db.set_conf("PRAGMA synchronous = off");
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db.set_conf("PRAGMA encoding = \"UTF-8\"");
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acl::string buf;
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if ((db.get_conf("PRAGMA encoding", buf)))
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printf(">>PRAGMA encoding: %s\r\n", buf.c_str());
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db.show_conf();
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int max = 10000, nstep = 100;
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std::vector<db_thread*> threads;
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acl::meter_time(__FILE__, __LINE__, "---begin---");
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acl::locker lk;
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int j;
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for (int i = 0; i < max; i = j)
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{
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j = i + nstep;
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db_thread* thread = new db_thread(db, lk, i, j);
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threads.push_back(thread);
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thread->set_detachable(false);
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thread->start();
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}
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for (std::vector<db_thread*>::iterator it = threads.begin();
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it != threads.end(); ++it)
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{
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(*it)->wait();
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delete *it;
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}
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acl::meter_time(__FILE__, __LINE__, "---end---");
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printf("Enter any key to exit.\r\n");
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getchar();
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return 0;
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}
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