Here are the classes, structs, unions and interfaces with brief descriptions:

Nadbc
Ndriver
CBaseConnection
CBaseDatabase
CBaseStatement
CConnection	The CRTP base implementation of an AdbcConnection
CDatabase	The CRTP base implementation of an AdbcDatabase
CDriver
CGetObjectsHelper	Helper to implement GetObjects
CTable
CColumnXdbc
CColumn
CConstraintUsage
CConstraint
CInfoValue	Representation of a single item in an array to be returned from AdbcConnectionGetInfo()
CObjectBase	Base class for private_data of AdbcDatabase, AdbcConnection, and AdbcStatement
COption	A typed option value wrapper. Attempts some conversions between types
CUnset	The option is unset
CResolveObjectTImpl	Helper for below: given the ADBC type, pick the right driver type
CResolveObjectTImpl< DatabaseT, ConnectionT, StatementT, struct AdbcConnection >
CResolveObjectTImpl< DatabaseT, ConnectionT, StatementT, struct AdbcDatabase >
CResolveObjectTImpl< DatabaseT, ConnectionT, StatementT, struct AdbcStatement >
CResult	A wrapper around a value, or an error
CStatement	A base implementation of a statement
CEmptyState	Statement state: initialized with no set query
CIngestState	Statement state: bulk ingestion
CPreparedState	Statement state: prepared statement
CQueryState	Statement state: ad-hoc query
CStatus	A wrapper around AdbcStatusCode + AdbcError
CImpl	Private Status implementation details
CAdbcConnection	An active database connection
CAdbcConnectionProfile	Abstract interface for connection profile providers
CAdbcDatabase	An instance of a database
CAdbcDriver	An instance of an initialized database driver
CAdbcError	A detailed error message for an operation
CAdbcErrorDetail	Extra key-value metadata for an error
CAdbcPartitions	The partitions of a distributed/partitioned result set
CAdbcStatement	A container for all state needed to execute a database query, such as the query itself, parameters for prepared statements, driver parameters, etc