flyway和liquibase的使用樣例

--** 

在**上我們有svn和git等諸多的版本控制方法。

但是在資料庫上卻沒有相應的工具。一度導致多環境見的資料庫同步難以維持。

flyway和liquibase都是常見的資料庫版本控制工具。

flyway社群版的功能相對完全免費的liquibase來說簡直毫無可比性。

因此免費使用者的話強烈liquibase。

樣例**已上傳至github：樣例基於spring boot。

flyway：

spring:

datasource:
platform: mysql
url: jdbc:mysql://***:3306/***?useunicode=true&characterencoding=utf8&usessl=false
username: ***
password: ***
driver-class-name: com.mysql.jdbc.driver
jpa:
database: mysql
show-sql: true
hibernate:
ddl-auto: none
flyway:
locations: classpath:db/migration

v1_0__createbook.sql

create table `book`  (

`id` int(11) not null auto_increment,
`name` varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci not null,
`create_time` datetime(0) not null,
primary key (`id`) using btree
) engine = innodb character set = utf8mb4 collate = utf8mb4_unicode_ci row_format = dynamic;
create table `test` (
`id` int(11) not null auto_increment,
`name` varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci not null,
primary key (`id`) using btree
) engine = innodb character set = utf8mb4 collate = utf8mb4_unicode_ci row_format = dynamic;
create trigger book_trigger after insert on book for each row begin
insert into test (`name`) values ('1');
end;

insert into book(name, create_time) values ('測試', '2018-04-21 16:53:48');

spring:

datasource:
platform: mysql
url: jdbc:mysql://***:3306/***?useunicode=true&characterencoding=utf8&usessl=false
username: ***
password: ***
driver-class-name: com.mysql.jdbc.driver
jpa:
database: mysql
show-sql: true
hibernate:
ddl-auto: none
liquibase:
change-log: classpath:db/changelog/db.changelog-master.xml

db.changelog-1.0.sql

--liquibase formatted sql

--changeset mahaoyu:1.0
create table `book` (
`id` int(11) not null auto_increment,
`name` varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci not null,
`create_time` datetime(0) not null,
primary key (`id`) using btree
) engine = innodb character set = utf8mb4 collate = utf8mb4_unicode_ci row_format = dynamic;
--changeset mahaoyu:1.1
create table `test` (
`id` int(11) not null auto_increment,
`name` varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci not null,
primary key (`id`) using btree
) engine = innodb character set = utf8mb4 collate = utf8mb4_unicode_ci row_format = dynamic;

--liquibase formatted sql

--changeset mahaoyu:1.2 splitstatements:false
create trigger book_trigger after insert on book for each row begin
insert into test (`name`) values ('1');
end;
--changeset mahaoyu:1.3 splitstatements:false
create procedure `proc_adder` ( in a int, in b int, out sum int ) begin
declare
c int;
ifa is null then
set a = 0;
end if;
ifb is null then
set b = 0;
end if;
set sum = a + b;
end;
--changeset mahaoyu:1.4
create view oceania as select * from book;
--changeset mahaoyu:1.5 splitstatements:false
create function hello ( ) returns varchar ( 255 ) begin
return 'hello world,i am mysql';
end;
--changeset zhangsan:1.6
insert into book(name, create_time) values ('測試', '2018-04-21 16:53:48');

<?xml version="1.0" encoding="utf-8"?>

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