C基础 MariaDB处理简单案例


引言

MariaDB 是一款灰常不错开源数据库，这里直接用它来解决业务问题。

业务需求:

　　现在数据库中表示按照天分表的. 突然我们需要按照月来处理数据.

例如输入一个玩家id, 查找这个玩家这个月内看了一件事几次. 我们先搭建一个环境.

操作系统:

Linux version 4.4.0-22-generic (buildd@lgw01-41)
(gcc version 5.3.1 20160413 (Ubuntu 5.3.1-14ubuntu2) ) 
#40-Ubuntu SMP Thu May 12 22:03:46 UTC 2016

 首先安装 MariaDB数据库

sudo apt-get install mariadb-server
sudo apt-get install mariadb-client
sudo apt-get install libmariadb2
sudo apt-get install libmariadb-client-lgpl-dev
sudo apt-get install libreoffice-mysql-connector

后面是C访问 MariaDB驱动. 这里扯一点, 目前关于MariaDB不懂问题, 搜不见直接当成mysql开始搜.

MariaDB安装成功后默认是开启的, 看下面图描述

后面搭建测试环境 首先 看 oss_musicelves.sql

-- MySQL dump 10.10
--
-- Host: localhost    Database: oss_log
-- ------------------------------------------------------
-- Server version    5.5.24-tmysql-1.4

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;

--
-- Table structure for table `oss_musicelves`
--

DROP TABLE IF EXISTS `oss_musicelves`;
CREATE TABLE `oss_musicelves` (
  `record_id` bigint(20) NOT NULL AUTO_INCREMENT,
  `account_id` bigint(20) NOT NULL,
  `server_id` int(11) NOT NULL,
  `char_id` bigint(20) NOT NULL,
  `char_sex` int(11) NOT NULL,
  `type_id` int(11) NOT NULL,
  `timeStamp` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `ptype` int(11) NOT NULL,
  `specifytype` int(11) NOT NULL,
  `childtype` int(11) NOT NULL,
  PRIMARY KEY (`record_id`),
  KEY `idx_specifytype` (`specifytype`)
) ENGINE=InnoDB AUTO_INCREMENT=32 DEFAULT CHARSET=latin1;

--
-- Dumping data for table `oss_musicelves`
--


/*!40000 ALTER TABLE `oss_musicelves` DISABLE KEYS */;
LOCK TABLES `oss_musicelves` WRITE;
INSERT INTO `oss_musicelves` VALUES (1,411948833,84869352,27899597414400801,0,1812,'2016-05-31 14:27:41',0,1,1),(2,1344702709,90964200,30422720614402293,0,1812,'2016-05-31 14:58:26',0,1,1),(3,706409913,90964200,30422720614401465,1,1812,'2016-05-31 14:58:27',0,1,2),(4,706409913,392964857,30422720614401465,1,1812,'2016-05-31 14:58:59',0,2,4),(5,1344702709,392964857,30422720614402293,0,1812,'2016-05-31 14:58:59',0,2,4),(6,706409913,90964200,30422720614401465,1,1812,'2016-05-31 15:04:52',0,1,2),(7,706409913,392964857,30422720614401465,1,1812,'2016-05-31 15:05:54',0,2,4),(8,1344702709,392964857,30422720614402293,0,1812,'2016-05-31 15:05:54',0,2,4),(9,1344702709,90964200,30422720614402293,0,1812,'2016-05-31 15:10:29',0,1,1),(10,706409913,90964200,30422720614401465,1,1812,'2016-05-31 15:10:32',0,1,2),(11,1344702709,392964857,30422720614402293,0,1812,'2016-05-31 15:10:54',0,2,4),(12,3145910262,90964200,29520779366416374,1,1812,'2016-05-31 15:30:00',0,1,1),(13,1372825842,90964200,30173879500803314,1,1812,'2016-05-31 15:30:01',0,1,2),(14,3145910262,392964857,29520779366416374,1,1812,'2016-05-31 15:30:04',0,2,4),(15,1372825842,392964857,30173879500803314,1,1812,'2016-05-31 15:30:04',0,2,4),(16,3145910262,392964857,29520779366416374,1,1812,'2016-05-31 15:34:24',0,2,4),(17,1372825842,392964857,30173879500803314,1,1812,'2016-05-31 15:34:24',0,2,4),(18,706409913,90964200,30422720614401465,1,1812,'2016-05-31 15:40:14',0,1,1),(19,1344702709,90964200,30422720614402293,0,1812,'2016-05-31 15:40:16',0,1,2),(20,3145910262,392964857,29520779366416374,1,1812,'2016-05-31 15:42:19',0,2,4),(21,1372825842,392964857,30173879500803314,1,1812,'2016-05-31 15:42:19',0,2,4),(22,1027763684,90964200,30175730790400484,0,1812,'2016-05-31 16:56:33',1,1,1),(23,1372825842,90964200,30173879500803314,1,1812,'2016-05-31 16:56:50',0,1,2),(24,1372825842,392964857,30173879500803314,1,1812,'2016-05-31 16:57:37',0,2,3),(25,1027763684,392964857,30175730790400484,0,1812,'2016-05-31 16:57:37',1,2,3),(26,1372825842,392964857,30173879500803314,1,1812,'2016-05-31 17:04:33',0,2,3),(27,1027763684,392964857,30175730790400484,0,1812,'2016-05-31 17:04:33',1,2,3),(28,1027763684,90964200,30175730790400484,0,1812,'2016-05-31 17:14:15',1,1,2),(29,1372825842,392964857,30173879500803314,1,1812,'2016-05-31 17:14:50',0,2,3),(30,1027763684,392964857,30175730790400484,0,1812,'2016-05-31 17:14:50',1,2,3),(31,751699770,90964200,30175199027201850,1,1812,'2016-05-31 18:14:59',1,1,1);
UNLOCK TABLES;
/*!40000 ALTER TABLE `oss_musicelves` ENABLE KEYS */;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;

/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */; 

这个 oss_musicelves.sql 文件主要功能是创建 oss_musicelves数据库, 并填充数据.

还有一个 搭建环境 的 脚本 mariadb_test.sql 和上一个sql文件放在同一个目录下.

# 创建一个测试数据库
create database oss_log;

# 进入oss_log 数据库
use oss_log;

# 创建 oss_musicelves 数据库, 并导入数据
source oss_musicelves.sql;

# 批量创建表和数据
create table 2016_6_1_oss_musicelves select * from oss_musicelves;
create table 2016_6_2_oss_musicelves select * from oss_musicelves;
create table 2016_6_3_oss_musicelves select * from oss_musicelves;
create table 2016_6_4_oss_musicelves select * from oss_musicelves;
create table 2016_6_5_oss_musicelves select * from oss_musicelves;
create table 2016_6_9_oss_musicelves select * from oss_musicelves;
create table 2016_6_10_oss_musicelves select * from oss_musicelves;
create table 2016_6_12_oss_musicelves select * from oss_musicelves;

# 查询表是否创建成功
show tables;

# 这里处理 拿到的数据
select distinct table_name from information_schema.columns where table_name like '2016_6_%_oss_musicelves';
 

 

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