[Feature Request]: Show Variable

[loloxwg]

Is there an existing issue for the same feature request?

• I have checked the existing issues.

Is your feature request related to a problem?

show system parameters for pysdk

Describe the feature you'd like

show system parameters for pysdk

Describe implementation you've considered

No response

Documentation, adoption, use case

No response

Additional information

No response

[JinHai-CN]

SQL syntax: SHOW VAR var_name

Currently, we already have following system variables:
query_count
session_count
buffer_pool_usage
version
query_memory_limit
query_cpu_limit
log_level
schedule_policy
listen_address
sql_port
sdk_port
http_api_port
data_url
time_zone

For detailed information, you may check src/main/config.cpp