[feate] Added support for postgresql based on dev-1.4.0

[sjgllgh]

What is the purpose of the change

• Added postgresql support for linkis metadata.

Related issues/PRs

• Related issues: [Feature ]Linkis metadata information storage supports multiple databases #4190

Brief change log

• Modify MybatisConfigurationFactory.java for support multiple data sources.
• Modify linkis-cg-linkismanager.properties, linkis-mg-gateway.properties and linkis-cg-linkismanager.properties for support multiple data sources.
• To better distinguish between different data sources, change the original mapper file path. For example, move resources/mapper/common/contextHistoryMapper.xml to resources/mapper/common/mysql/contextHistoryMapper.xml
• Add mapper files for postgresql. For example, resources/mapper/common/postgresql/contextHistoryMapper.xml
• Some test classes were added or modified.

How to use postgresql

1. pom.xml

• remove test in postgresql's dependency.

2. linkis.properties

• Add database connection informations.
• Add linkis.server.mybatis.pagehelper.dialect=postgresql. The configuration detault value is mysql.

3. linkis-cg-linkismanager.properties, linkis-mg-gateway.properties and linkis-cg-linkismanager.properties

• Select mapper files that postgresql can execute.

4. If you want to use postgresql in test classes, You should change the properties used by the test class.

• Add database connection informations.
• Select mapper files that postgresql can execute.
• Note: Please use the existing postgresql database to test.

Checklist

• I have read the Contributing Guidelines on pull requests.
• [ x] I have explained the need for this PR and the problem it solves
• [ x] I have explained the changes or the new features added to this PR
• [ x] I have added tests corresponding to this change
• [ x] I have updated the documentation to reflect this change
• [ x] I have verified that this change is backward compatible (If not, please discuss on the Linkis mailing list first)
• [ x] If this is a code change: I have written unit tests to fully verify the new behavior.

[jackxu2011]

move the mysql mapper file to resources/mapper/mysql, pgsql to resources/mapper/postgresql, and if the sql file is same, keep the file in the resources/common/.

[jackxu2011]

if have *.xml in package, move to the /mapper/common, or database specific locations

[sjgllgh]

Thank you for your suggestion. I have modified it according to your suggestion.

[jackxu2011]

the config should be modified

[aiceflower]

Please resolve the conflict

[jackxu2011]

LGTM

[jackxu2011]

ping @peacewong

[peacewong]

LGTM.