e-mhui

*Sort support all migrate for Oracle connector* - Fixes #6045 ### Motivation The thing is sometime user want to export all data from database with diffrent schema to kafka with...

### Description Sort support all migrate for Oracle connector ### Use case null ### Are you willing to submit PR? - [X] Yes, I am willing to submit a PR!...

[Feature][Sort] Oracle CDC supports specifying specific columns as the chunk key

4

### Description [Feature][Sort] Oracle CDC supports specifying specific columns as the chunk key ### Use case none. ### Are you willing to submit PR? - [X] Yes, I am willing...

[Improve][Sort] MongoDB CDC supports start read data from specific timestamp

1

### Description MongoDB CDC supports start read data from specific timestamp ### InLong Component InLong Sort ### Are you willing to submit PR? - [X] Yes, I am willing to...

[Improve] Oracle use primary key as chunk key

1

### Description [Improve] Oracle use primary key as chunk key ### InLong Component InLong Sort ### Are you willing to submit PR? - [X] Yes, I am willing to submit...

Bug: after refreshing the column list, the deleted fields still exist

1

### Chat2DB Version v3.1.11 ### Describe the bug After refreshing the column list, the deleted fields still exist. The `ext_config` field has been deleted, but still exists after refresh.

[oracle-cdc] Fix read one record in the incremental snapshot

3

Fix bug: #1886 In the snapshot, `record.key()` is null, so it will overwrite the previous record. So we can to add record without primary key into list. ```java if (!reachChangeLogStart)...

cos 支持创建同名的文件和目录，使用 fileSystem.isDirectory 返回的是文件不合理，无法判断目录是文件合适目录，而 hadoop 是不支持在同一个目录创建同名的文件和目录。

4

**Describe the bug** A clear and concise description of what the bug is. **To Reproduce** Steps to reproduce the behavior: 1. Go to '...' 2. Click on '....' 3. Scroll...