The Trino adapter inspects the cluster's metadata to discover what it can serve. The CLI introspection commands use this to list schemas, tables, views, and columns, and to generate typed endpoints with pull.
pnpm lakeql-cli list-schemas --source warehousepnpm lakeql-cli list-tables --source warehouse --schema salespnpm lakeql-cli list-columns --source warehouse --schema sales --table ordersUnder the hood this maps to the same metadata operations the standalone trino-client exposes: schemas, tables, views, and columns. Complex column types are parsed into structured definitions that drive code generation. See Key Concepts for how introspected metadata becomes generated files.