NganWave opened a new pull request, #11496:
URL: https://github.com/apache/seatunnel/pull/11496
## Description:
### Background & Problem
When integrating SeaTunnel with Airflow, I found that users cannot pass
complex connection properties (e.g., mysql_properties) via the -i command-line
parameter because the current parser does not support JSON strings for map
types.
### Solution
This PR adds support for parsing JSON strings as map-type parameters in the
CLI. It extends the existing parameter parsing logic, which already supports
comma-containing strings and arrays, to now also handle JSON objects. For
example:
```
-i
mysql_properties='\{\"connectTimeout\":\"5000\",\"serverTimezone\":\"UTC\",\"useSSL\":\"false\",\"allowPublicKeyRetrieval\":\"true\"\}'
```
### Verification
Added unit tests to cover the new JSON parsing logic.
Updated the documentation to explain the new usage.
### Note: Nested JSON structures are not supported yet.
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