Database(Mysql)发版控制二

author：skate

time:2014/08/18

Database(Mysql)发版控制

The Liquibase Tool related Database

一.Installation & Configration

二.Advanced Usage of the Liquibase

三.Frequently Questions

二.Advanced Usage of the Liquibase

1.实际场景模拟

实际需求：须要把不同环境的不同分支的数据库变更合并，并按需求应用或回滚到不同的DB环境中。实现对DB发版的管理

DB的环境：dev,qa,sandbox,prod

规划DB发版文件夹。如：

database

        Release-2014-05

                       db.Changelog-master.xml

                       000_CreateTable.sql

                       001_Init.sql

                       ....

                       032_Update.sql

        Release-2014-06

                       db.Changelog-master.xml

                       000_CreateTable.sql

                       001_Init.sql

                       ....

                       192_Update.sql

        Release-2014-07

                       db.Changelog-master.xml

                       000_CreateTable.sql

                       001_Init.sql

                       ....

                       132_Update.sql





db.Changelog-master.xml是数据库变更的主文件，其包含每个数据库的changeset文件，这样能够控制每个changeset的运行顺序和大小，例如以下是一个样例：

# more db.Changelog-master.xml

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

<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd">

</databaseChangeLog>

# more 000_CreateTable.sql

--liquibase formatted sql

--changeset skate:Release-2014-05_000_CreateTable.sql context:test

CREATE TABLE table3 (

id int(11) NOT NULL,

name varchar(255) NOT NULL,

PRIMARY KEY (id)

) ENGINE=Innodb;

ALTER TABLE table3 CHANGE id id INT( 11 ) AUTO_INCREMENT;

ALTER TABLE table3 CHANGE name firstname VARCHAR( 255 );

INSERT INTO table3 (id, firstname) VALUES (NULL, 'name1'),(NULL, 'name2'), (NULL, 'name3');

--rollback drop table table3;

或者用xml文件

# more 000_CreateTable.xml

<?

xml version="1.0" encoding="UTF-8" standalone="no"?>

<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd">

    <changeSet author="Skate" id="Release-2014-05_000_CreateTable.sql context:test ">

        <createTable tableName="testtab">

            <column autoIncrement="true" name="id" type="INT(10)">

                <constraints primaryKey="true"/>

            </column>

            <column name="firstname" type="VARCHAR(50)"/>

            <column name="lastname" type="VARCHAR(50)">

                <constraints nullable="false"/>

            </column>

            <column name="state" type="VARCHAR(2)"/>

        </createTable>

    </changeSet>

</databaseChangeLog>

每一个developer能够通过自己本机的liquibase把数据库的changset同步到dev环境

首先检查changelog是否有错误

[root@skatedb55 liquibase30]# sh liquibase --contexts=dev --defaultSchemaName=test5 --logLevel=debug --changeLogFile=/tmp/db.Changelog-master.xml --driver=com.mysql.jdbc.Driver --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test2?useUnicode=true&characterEncoding=UTF-8"
--username=skate --password=skate validate

Liquibase Home: /mysql/software/liquibase30

DEBUG 8/19/14 2:45 PM:liquibase: Connected to skate@127.0.0.1@jdbc:mysql://localhost/test2?useUnicode=true&characterEncoding=UTF-8

DEBUG 8/19/14 2:45 PM:liquibase: Setting auto commit to false from true

INFO 8/19/14 2:46 PM:liquibase: Reading from test5.DATABASECHANGELOG

DEBUG 8/19/14 2:46 PM:liquibase: Executing QUERY database command: SELECT FILENAME,AUTHOR,ID,MD5SUM,DATEEXECUTED,ORDEREXECUTED,TAG,EXECTYPE,DESCRIPTION,COMMENTS FROM test5.DATABASECHANGELOG ORDER BY DATEEXECUTED ASC, ORDEREXECUTED ASC

DEBUG 8/19/14 2:46 PM:liquibase: /tmp/db.Changelog-master.xml: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for inputStream as 00ba919fb68564b7f5f8dab227e4f6a8

DEBUG 8/19/14 2:46 PM:liquibase: /tmp/db.Changelog-master.xml: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for 7:00ba919fb68564b7f5f8dab227e4f6a8: as 283384b19a5c2734d153462833903290

No validation errors found

Liquibase 'validate' Successful

[root@skatedb55 liquibase30]#

为本次更新创建tag（方便以后按须要回滚）

[root@skatedb55 liquibase30]# sh liquibase --contexts=dev --defaultSchemaName=test5 --logLevel=debug --changeLogFile=/tmp/db.Changelog-master.xml --driver=com.mysql.jdbc.Driver --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test2?useUnicode=true&characterEncoding=UTF-8"
--username=skate --password=skate tag Release-2014-05_000_CreateTable

Liquibase Home: /mysql/software/liquibase30

DEBUG 8/19/14 2:54 PM:liquibase: Connected to

useUnicode=true&characterEncoding=UTF-8">
skate@127.0.0.1@jdbc:mysql://localhost/test2?

useUnicode=true&characterEncoding=UTF-8

DEBUG 8/19/14 2:54 PM:liquibase: Setting auto commit to false from true

DEBUG 8/19/14 2:54 PM:liquibase: Executing QUERY database command: select count(*) from test5.DATABASECHANGELOGLOCK

DEBUG 8/19/14 2:54 PM:liquibase: Executing QUERY database command: SELECT LOCKED FROM test5.DATABASECHANGELOGLOCK WHERE ID=1

DEBUG 8/19/14 2:54 PM:liquibase: Lock Database

DEBUG 8/19/14 2:54 PM:liquibase: Executing UPDATE database command: UPDATE test5.DATABASECHANGELOGLOCK SET LOCKED = 1, LOCKEDBY = 'skatedb55 (fe80:0:0:0:218:51ff:fe85:562a%3)', LOCKGRANTED = '2014-08-19 14:54:02.036' WHERE ID = 1 AND LOCKED = 0

INFO 8/19/14 2:54 PM:liquibase: Successfully acquired change log lock

DEBUG 8/19/14 2:54 PM:liquibase: Executing QUERY database command: SELECT MD5SUM FROM test5.DATABASECHANGELOG WHERE MD5SUM IS NOT NULL

DEBUG 8/19/14 2:54 PM:liquibase: Executing QUERY database command: SELECT COUNT(*) FROM test5.DATABASECHANGELOG

DEBUG 8/19/14 2:54 PM:liquibase: Executing EXECUTE database command: UPDATE test5.DATABASECHANGELOG SET TAG = 'Release-2014-05_000_CreateTable' WHERE DATEEXECUTED = (SELECT MAX(DATEEXECUTED) FROM (SELECT DATEEXECUTED FROM test5.DATABASECHANGELOG) AS X)

INFO 8/19/14 2:54 PM:liquibase: Reading from test5.DATABASECHANGELOG

DEBUG 8/19/14 2:54 PM:liquibase: Executing QUERY database command: SELECT FILENAME,AUTHOR,ID,MD5SUM,DATEEXECUTED,ORDEREXECUTED,TAG,EXECTYPE,DESCRIPTION,COMMENTS FROM test5.DATABASECHANGELOG ORDER BY DATEEXECUTED ASC, ORDEREXECUTED ASC

DEBUG 8/19/14 2:54 PM:liquibase: Release Database Lock

DEBUG 8/19/14 2:54 PM:liquibase: Executing UPDATE database command: UPDATE test5.DATABASECHANGELOGLOCK SET LOCKED = 0, LOCKEDBY = NULL, LOCKGRANTED = NULL WHERE ID = 1

INFO 8/19/14 2:54 PM:liquibase: Successfully released change log lock

Successfully tagged

useUnicode=true&characterEncoding=UTF-8">
skate@127.0.0.1@jdbc:mysql://localhost/test2?

useUnicode=true&characterEncoding=UTF-8

Liquibase 'tag' Successful

You have new mail in /var/spool/mail/root

[root@skatedb55 liquibase30]#

运行数据库变更到dev数据库

[root@skatedb55 liquibase30]# sh liquibase --contexts=test --defaultSchemaName=test5 --logLevel=debug --changeLogFile=/tmp/db.Changelog-master.xml --driver=com.mysql.jdbc.Driver --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test2?useUnicode=true&characterEncoding=UTF-8"
--username=skate --password=skate update

Liquibase Home: /mysql/software/liquibase30

DEBUG 8/19/14 2:39 PM:liquibase: Connected to skate@127.0.0.1@jdbc:mysql://localhost/test2?useUnicode=true&characterEncoding=UTF-8

DEBUG 8/19/14 2:39 PM:liquibase: Setting auto commit to false from true

DEBUG 8/19/14 2:39 PM:liquibase: Executing QUERY database command: select count(*) from test5.DATABASECHANGELOGLOCK

DEBUG 8/19/14 2:39 PM:liquibase: Executing QUERY database command: SELECT LOCKED FROM test5.DATABASECHANGELOGLOCK WHERE ID=1

DEBUG 8/19/14 2:39 PM:liquibase: Lock Database

DEBUG 8/19/14 2:39 PM:liquibase: Executing UPDATE database command: UPDATE test5.DATABASECHANGELOGLOCK SET LOCKED = 1, LOCKEDBY = 'skatedb55 (fe80:0:0:0:218:51ff:fe85:562a%3)', LOCKGRANTED = '2014-08-19 14:39:26.745' WHERE ID = 1 AND LOCKED = 0

INFO 8/19/14 2:39 PM:liquibase: Successfully acquired change log lock

DEBUG 8/19/14 2:39 PM:liquibase: Executing QUERY database command: SELECT MD5SUM FROM test5.DATABASECHANGELOG WHERE MD5SUM IS NOT NULL

INFO 8/19/14 2:39 PM:liquibase: Reading from test5.DATABASECHANGELOG

DEBUG 8/19/14 2:39 PM:liquibase: Executing QUERY database command: SELECT FILENAME,AUTHOR,ID,MD5SUM,DATEEXECUTED,ORDEREXECUTED,TAG,EXECTYPE,DESCRIPTION,COMMENTS FROM test5.DATABASECHANGELOG ORDER BY DATEEXECUTED ASC, ORDEREXECUTED ASC

INFO 8/19/14 2:39 PM:liquibase: Reading from test5.DATABASECHANGELOG

DEBUG 8/19/14 2:39 PM:liquibase: Executing QUERY database command: SELECT FILENAME,AUTHOR,ID,MD5SUM,DATEEXECUTED,ORDEREXECUTED,TAG,EXECTYPE,DESCRIPTION,COMMENTS FROM test5.DATABASECHANGELOG ORDER BY DATEEXECUTED ASC, ORDEREXECUTED ASC

DEBUG 8/19/14 2:39 PM:liquibase: /tmp/db.Changelog-master.xml: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for inputStream as 00ba919fb68564b7f5f8dab227e4f6a8

DEBUG 8/19/14 2:39 PM:liquibase: /tmp/db.Changelog-master.xml: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for 7:00ba919fb68564b7f5f8dab227e4f6a8: as 283384b19a5c2734d153462833903290

DEBUG 8/19/14 2:39 PM:liquibase: Release Database Lock

DEBUG 8/19/14 2:39 PM:liquibase: Executing UPDATE database command: UPDATE test5.DATABASECHANGELOGLOCK SET LOCKED = 0, LOCKEDBY = NULL, LOCKGRANTED = NULL WHERE ID = 1

INFO 8/19/14 2:39 PM:liquibase: Successfully released change log lock

Liquibase Update Successful

You have new mail in /var/spool/mail/root

2.Liquibase的一些高级使用方法

按指定tag rollback

[root@skatedb55 liquibase30]# sh liquibase --contexts=dev --defaultSchemaName=test5 --logLevel=debug --changeLogFile=/tmp/db.Changelog-master.xml --driver=com.mysql.jdbc.Driver --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test2?

useUnicode=true&characterEncoding=UTF-8"
--username=skate --password=skate rollback Release-2014-05_000_CreateTable

Liquibase Home: /mysql/software/liquibase30

DEBUG 8/19/14 3:06 PM:liquibase: Connected to skate@127.0.0.1@jdbc:mysql://localhost/test2?useUnicode=true&characterEncoding=UTF-8

DEBUG 8/19/14 3:06 PM:liquibase: Setting auto commit to false from true

DEBUG 8/19/14 3:06 PM:liquibase: Executing QUERY database command: select count(*) from test5.DATABASECHANGELOGLOCK

DEBUG 8/19/14 3:06 PM:liquibase: Executing QUERY database command: SELECT LOCKED FROM test5.DATABASECHANGELOGLOCK WHERE ID=1

DEBUG 8/19/14 3:06 PM:liquibase: Lock Database

DEBUG 8/19/14 3:06 PM:liquibase: Executing UPDATE database command: UPDATE test5.DATABASECHANGELOGLOCK SET LOCKED = 1, LOCKEDBY = 'skatedb55 (fe80:0:0:0:218:51ff:fe85:562a%3)', LOCKGRANTED = '2014-08-19 15:06:55.866' WHERE ID = 1 AND LOCKED = 0

INFO 8/19/14 3:06 PM:liquibase: Successfully acquired change log lock

DEBUG 8/19/14 3:07 PM:liquibase: Executing QUERY database command: SELECT MD5SUM FROM test5.DATABASECHANGELOG WHERE MD5SUM IS NOT NULL

INFO 8/19/14 3:07 PM:liquibase: Reading from test5.DATABASECHANGELOG

DEBUG 8/19/14 3:07 PM:liquibase: Executing QUERY database command: SELECT FILENAME,AUTHOR,ID,MD5SUM,DATEEXECUTED,ORDEREXECUTED,TAG,EXECTYPE,DESCRIPTION,COMMENTS FROM test5.DATABASECHANGELOG ORDER BY DATEEXECUTED ASC, ORDEREXECUTED ASC

DEBUG 8/19/14 3:07 PM:liquibase: /tmp/db.Changelog-master.xml: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for inputStream as 00ba919fb68564b7f5f8dab227e4f6a8

DEBUG 8/19/14 3:07 PM:liquibase: /tmp/db.Changelog-master.xml: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for 7:00ba919fb68564b7f5f8dab227e4f6a8: as 283384b19a5c2734d153462833903290

DEBUG 8/19/14 3:07 PM:liquibase: Release Database Lock

DEBUG 8/19/14 3:07 PM:liquibase: Executing UPDATE database command: UPDATE test5.DATABASECHANGELOGLOCK SET LOCKED = 0, LOCKEDBY = NULL, LOCKGRANTED = NULL WHERE ID = 1

INFO 8/19/14 3:07 PM:liquibase: Successfully released change log lock

Liquibase Rollback Successful

You have new mail in /var/spool/mail/root

按给定时间rollback

[root@skatedb55 liquibase30]# sh liquibase --contexts=dev --defaultSchemaName=test5 --logLevel=debug --changeLogFile=/tmp/db.Changelog-master.xml --driver=com.mysql.jdbc.Driver --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test2?useUnicode=true&characterEncoding=UTF-8"
--username=skate --password=skate rollbackToDate 2014-08-19 14:01:28

Liquibase Home: /mysql/software/liquibase30

DEBUG 8/19/14 3:14 PM:liquibase: Connected to skate@127.0.0.1@jdbc:mysql://localhost/test2?

useUnicode=true&characterEncoding=UTF-8

DEBUG 8/19/14 3:14 PM:liquibase: Setting auto commit to false from true

DEBUG 8/19/14 3:14 PM:liquibase: Executing QUERY database command: select count(*) from test5.DATABASECHANGELOGLOCK

DEBUG 8/19/14 3:14 PM:liquibase: Executing QUERY database command: SELECT LOCKED FROM test5.DATABASECHANGELOGLOCK WHERE ID=1

DEBUG 8/19/14 3:14 PM:liquibase: Lock Database

DEBUG 8/19/14 3:14 PM:liquibase: Executing UPDATE database command: UPDATE test5.DATABASECHANGELOGLOCK SET LOCKED = 1, LOCKEDBY = 'skatedb55 (fe80:0:0:0:218:51ff:fe85:562a%3)', LOCKGRANTED = '2014-08-19 15:14:46.132' WHERE ID = 1 AND LOCKED = 0

INFO 8/19/14 3:14 PM:liquibase: Successfully acquired change log lock

DEBUG 8/19/14 3:14 PM:liquibase: Executing QUERY database command: SELECT MD5SUM FROM test5.DATABASECHANGELOG WHERE MD5SUM IS NOT NULL

INFO 8/19/14 3:14 PM:liquibase: Reading from test5.DATABASECHANGELOG

DEBUG 8/19/14 3:14 PM:liquibase: Executing QUERY database command: SELECT FILENAME,AUTHOR,ID,MD5SUM,DATEEXECUTED,ORDEREXECUTED,TAG,EXECTYPE,DESCRIPTION,COMMENTS FROM test5.DATABASECHANGELOG ORDER BY DATEEXECUTED ASC, ORDEREXECUTED ASC

DEBUG 8/19/14 3:14 PM:liquibase: /tmp/db.Changelog-master.xml: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for inputStream as 00ba919fb68564b7f5f8dab227e4f6a8

DEBUG 8/19/14 3:14 PM:liquibase: /tmp/db.Changelog-master.xml: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for 7:00ba919fb68564b7f5f8dab227e4f6a8: as 283384b19a5c2734d153462833903290

INFO 8/19/14 3:14 PM:liquibase: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Rolling Back Changeset:/tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate

DEBUG 8/19/14 3:14 PM:liquibase: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Rolling Back ChangeSet: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate

DEBUG 8/19/14 3:14 PM:liquibase: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Executing EXECUTE database command: drop table table3

DEBUG 8/19/14 3:14 PM:liquibase: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: ChangeSet /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate has been successfully rolled
back.

DEBUG 8/19/14 3:14 PM:liquibase: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Executing EXECUTE database command: DELETE FROM test5.DATABASECHANGELOG WHERE ID='Release-2014-05_000_CreateTable.sql' AND AUTHOR='skate'
AND FILENAME='/tmp/database/Release-2014-05/000_CreateTable.sql'

DEBUG 8/19/14 3:14 PM:liquibase: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for inputStream as 00ba919fb68564b7f5f8dab227e4f6a8

DEBUG 8/19/14 3:14 PM:liquibase: /tmp/database/Release-2014-05/000_CreateTable.sql::Release-2014-05_000_CreateTable.sql::skate: Computed checksum for 7:00ba919fb68564b7f5f8dab227e4f6a8: as 283384b19a5c2734d153462833903290

DEBUG 8/19/14 3:14 PM:liquibase: Release Database Lock

DEBUG 8/19/14 3:14 PM:liquibase: Executing UPDATE database command: UPDATE test5.DATABASECHANGELOGLOCK SET LOCKED = 0, LOCKEDBY = NULL, LOCKGRANTED = NULL WHERE ID = 1

INFO 8/19/14 3:14 PM:liquibase: Successfully released change log lock

Liquibase Rollback Successful

You have new mail in /var/spool/mail/root

[root@skatedb55 liquibase30]#

生成当前数据库状态的文档

[root@skatedb55 liquibase30]# sh liquibase --driver=com.mysql.jdbc.Driver --changeLogFile=/tmp/mysql_liquibase_changelog.xml --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test5?useUnicode=true&characterEncoding=UTF-8"
--username=skate --password=skate dbDoc /tmp/dbdoc/

Liquibase Home: /mysql/software/liquibase30

Liquibase 'dbDoc' Successful

You have new mail in /var/spool/mail/root

产生数据库的changelog

sh liquibase --driver=com.mysql.jdbc.Driver --changeLogFile=/tmp/mysql_liquibase_changelog.xml --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test5?

useUnicode=true&characterEncoding=UTF-8" --username=skate --password=skate
generateChangeLog

对照两个数据库

[root@skatedb55 liquibase30]# sh liquibase --logLevel=debug --driver=com.mysql.jdbc.Driver --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://10.10.0.117/test1?useUnicode=true&characterEncoding=UTF-8" --username=test
--password=test@df diff --referenceUrl="jdbc:mysql://10.20.0.55/test5?useUnicode=true&characterEncoding=UTF-8" --referenceUsername=skate --referencePassword=skate

Liquibase Home: /mysql/software/liquibase30

DEBUG 8/21/14 9:24 AM:liquibase: Connected to test@10.20.0.55@jdbc:mysql://10.10.0.117/test1?useUnicode=true&characterEncoding=UTF-8

DEBUG 8/21/14 9:24 AM:liquibase: Setting auto commit to false from true

DEBUG 8/21/14 9:24 AM:liquibase: Connected to skate@10.20.0.55@jdbc:mysql://10.20.0.55/test5?useUnicode=true&characterEncoding=UTF-8

DEBUG 8/21/14 9:24 AM:liquibase: Setting auto commit to false from true

Diff Results:

Reference Database: skate@10.20.0.55 @ jdbc:mysql://10.20.0.55/test5?useUnicode=true&characterEncoding=UTF-8 (Default Schema: test5)

Comparison Database: test@10.20.0.55 @ jdbc:mysql://10.10.0.117/test1?useUnicode=true&characterEncoding=UTF-8 (Default Schema: test1)

Product Name: EQUAL

Product Version: EQUAL

Missing Catalog(s):

     test5

Unexpected Catalog(s):

     test1

Changed Catalog(s): NONE

Missing Column(s):

     t2.a

     t2.b

Unexpected Column(s): NONE

Changed Column(s): NONE

Missing Foreign Key(s): NONE

Unexpected Foreign Key(s): NONE

Changed Foreign Key(s): NONE

Missing Index(s): NONE

Unexpected Index(s): NONE

Changed Index(s): NONE

Missing Primary Key(s): NONE

Unexpected Primary Key(s): NONE

Changed Primary Key(s): NONE

Missing Schema(s): NONE

Unexpected Schema(s): NONE

Changed Schema(s): NONE

Missing Sequence(s): NONE

Unexpected Sequence(s): NONE

Changed Sequence(s): NONE

Missing Table(s):

     t2

Unexpected Table(s): NONE

Changed Table(s): NONE

Missing Unique Constraint(s): NONE

Unexpected Unique Constraint(s): NONE

Changed Unique Constraint(s): NONE

Missing View(s): NONE

Unexpected View(s): NONE

Changed View(s): NONE

Liquibase 'diff' Successful

You have new mail in /var/spool/mail/root

[root@skatedb55 liquibase30]#

列出当前数据库的lock

[root@skatedb55 liquibase30]# sh liquibase --driver=com.mysql.jdbc.Driver --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test5?

useUnicode=true&characterEncoding=UTF-8" --username=skate --password=skate listLocks

Liquibase Home: /mysql/software/liquibase30

Database change log locks for

useUnicode=true&characterEncoding=UTF-8">
skate@127.0.0.1@jdbc:mysql://localhost/test5?useUnicode=true&characterEncoding=UTF-8

- No locks

Liquibase 'listLocks' Successful

You have new mail in /var/spool/mail/root

[root@skatedb55 liquibase30]#

Release当前数据库的全部的lock

[root@skatedb55 liquibase30]# sh liquibase --driver=com.mysql.jdbc.Driver --classpath=/usr/share/java/mysql-connector-java-5.1.17.jar --url="jdbc:mysql://localhost/test5?

useUnicode=true&characterEncoding=UTF-8" --username=skate --password=skate releaseLocks

Liquibase Home: /mysql/software/liquibase30

Successfully released all database change log locks for skate@127.0.0.1@jdbc:mysql://localhost/test5?

useUnicode=true&characterEncoding=UTF-8

Liquibase 'releaseLocks' Successful

[root@skatedb55 liquibase30]#

--------end---------

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