featurehelp wanted
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描述
Pinot table conf and schema access is from restful API only right now.
It would be good to support the built-in system tables, and we can query schema in SQL style. This will be useful for users to have a similar onboarding experience that everything can come from the query console. It's also good for Pinot integrations with other systems.
Query examples for references:
SHOW TABLES
DESCRIBE TABLE myTable
SHOW COLUMNS FROM myTable
SELECT
TABLE_SCHEMA,
TABLE_NAME,
COLUMN_NAME
FROM
INFORMATION_SCHEMA.COLUMNS
WHERE
TABLE_SCHEMA <> 'INFORMATION_SCHEMA'