[Ballista] datafusion-cli with ballista not support show tables and show columns

[Ted-Jiang]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.
datafusion-cli with ballista not support show tables and show columns

RUST_LOG=INFO cargo run  --bin datafusion-cli --features=ballista  -- --host localhost --port 50050

create external table table1 stored as PARQUET location "/Users/yangjiang/ebay/kylin-native/examples/test_case_data/xxxx";
0 rows in set. Query took 0.006 seconds.

❯ \d table1;  🤔 Invalid statement: sql parser error: Expected an SQL statement, found: \
^C
❯ show tables;
Plan("SHOW TABLES is not supported unless information_schema is enabled")
❯

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[liukun4515]

Have you tried to enable the information_schema from the error message "Plan("SHOW TABLES is not supported unless information_schema is enabled")"
@Ted-Jiang

[liukun4515]

Maybe I can help you to check this issue if I'm free on the weekend.

[EricJoy2048]

In this pr: #1593 I added show tables and show columns in ballista context. I think we can add a param named with_information_schema which type is bool in datafusion-cli. And create a BallistaContext with information schema when the value of with_information_schema is true.
I can finish it in these days.