* refactor: simplify Executor code, and log and extract common code fragment.

* refactor: remove @SLf4j annotation
Signed-off-by: Licho <chinabhsun@gmail.com>
Signed-off-by: Licho <chinabhsun@gmail.com>

* 修复udf不能三种语言代码同时使用

* 添加 python udf yarn-application使用

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

* [Feature][web] Improve internationalization

* [Feature][web] Improve internationalization

* [Feature][web] Improve internationalization

* [Feature][web] Improve internationalization

* 添加数据开发 udf与udf模板使用

* 添加数据开发 udf与udf模板使用

* change sql

* 去掉库名

Signed-off-by: licho <lecho.sun@gmail.com>
Signed-off-by: licho <lecho.sun@gmail.com>

* refactor: improve readability, add log, fix iterator exception after miniCluster close.

* chore: format

* fix: JobConfig constructor useAutoCancel parameter pass wrong value.

* chore: format

* fix: fix initPythonUDF function not check udfList paramepter is empty.

* Update UDFServiceImpl.java

* chore: format

* add scala udf backend

* add scala udf frontend

* add python udf backend

* add python udf frontend

* 修改 flink-python 1.15只支持2.12版本

* add required file

* add required file

* Modify code structure

* Modify code structure;
修改获取python udf函数或字段名

* Optimize some problems

* Optimize some problems

* Optimize some sql comment to en-us

* Optimize main sql file comment to en-us

* delete some update sql

* Optimize main sql file

* refactor: some trick modification

* refactor: some trick modification

* fix: checkstyle
Signed-off-by: licho <lecho.sun@gmail.com>
Signed-off-by: licho <lecho.sun@gmail.com>

* Optimize sql files

* Optimize sql files

* Optimize history-sql file

* Optimize history-sql file

* [Feature][sql,docs] Optimize the SQL files and divide them into directories according to the version

* 1.Format SQL
 2.Unified character set encoding and collation
 3.Package the upgrade folder into the release package

* 1.Format SQL
 2.Unified character set encoding and collation

* Unified character set encoding and collation

* Package the upgrade folder into the release package

change code style

* 优化国际化相关代码

* Improve some internationalization

* Improve StudioHome Guide Page internationalization

* fix import useIntl error

* add flink pre-job udf;
FIX SOME  BUG(udf flink sql explain)

* change code style

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

* International Development

* regist International Development

* regist International Development

* regist International Development

* Uniform internationalization code format
word correction

* Uniform internationalization code format
word correction

* word correction
Co-authored-by: Peter <peter.zheng.external@tkelevator.com>
Co-authored-by: aiwenmo <32723967+aiwenmo@users.noreply.github.com>

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

* add flink udf template(backed)

* add flink udf template(front end)

* add sql file

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

* optimization Frontend code and internationalization

* optimization internationalization

* optimization internationalization code

* optimization global.less

* flink version adapter.

* flink task monitor plan.

* Adjust sidebar_position and id errors

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

Co-authored-by: rookiegao <rookiegao712@gmail>

* [Feature][*] Modify version into 0.6.8-SNAPSHOT

* Frontend code optimization

* AuthenticationCenter internationalization(us)

* AuthenticationCenter internationalization(zh)

* International Development

* regist International Development

* regist International Development

* regist International Development
Co-authored-by: Peter <peter.zheng.external@tkelevator.com>
Co-authored-by: aiwenmo <32723967+aiwenmo@users.noreply.github.com>

* add UDFService

* change comment

* 修改重复项