StartupOptionCompression is the compression algorithm to use.

StartupOptionCqlVersion is the version of CQL to use.

StartupOptionDriverName allows clients to supply a free-form label representing the driver implementation.

StartupOptionDriverVersion allows clients to supply a free-form label representing the driver version.

StartupOptionThrowOnOverload specifies server behaviour where the incoming message rate is too high.

SupportedProtocolVersions is a Supported.Options multimap key returned by Cassandra from protocol v5 onwards.

AlreadyExists is an error response sent when the creation of a schema object fails because the object already exists.

AuthChallenge is a response sent in reply to an AuthResponse request, when the server requires additional authentication data.

Authenticate is a response sent in reply to a Startup request when the server requires authentication.

AuthenticationError is an authentication error response.

AuthResponse is a request message sent in reply to an Authenticate or AuthChallenge response, and contains the authentication data requested by the server.

AuthSuccess is a response message sent in reply to an AuthResponse request, to indicate that the authentication was successful.

Batch is a BATCH request message.

BatchChild represents a BATCH child statement.

ColumnMetadata represents a column in a PreparedResult message.

ConfigError is an error response sent when the query cannot be executed due to some configuration issue.

ContinuousPagingOptions holds options for DSE continuous paging feature.

Execute is a request message that executes a prepared statement, identified by its prepared query id.

FunctionFailure is an error response sent when the coordinator receives an error from a replica while executing a function.

Invalid is an error response sent when the query is syntactically correct but invalid.

IsBootstrapping is an error response sent when the coordinator is bootstrapping.

Options is a request message to obtain supported features from the server.

Overloaded is an error response sent when the coordinator is overloaded.

Prepare is a request to prepare a CQL statement.

PreparedResult is a response message sent in reply to a Prepare request.

ProtocolError is a protocol error response.

Query is a request that executes a CQL query.

QueryOptions is the set of options common to Query and Execute messages.

ReadFailure is an error response sent when the coordinator receives a read failure from a replica.

ReadTimeout is an error response sent when the coordinator does not receive enough responses from replicas for a read query.

Ready is a response sent when the coordinator replies to a Startup request without requiring authentication.

Register is a request to register the client as a listener for the specified event types.

Revise was called CANCEL in DSE protocol version 1 and was renamed to REVISE_REQUEST in version 2.

RowsMetadata is used in RowsResult to indicate metadata about the result set present in the result response; and in PreparedResult, to indicate metadata about the result set that the prepared statement will produce once executed.

RowsResult is a response message sent when the executed query is a SELECT statement.

SchemaChangeEvent is a response sent when a schema change event occurs.

SchemaChangeResult is a response message sent when the executed query is a schema-altering query (DDL).

ServerError is a server error response.

SetKeyspaceResult is a response message sent when the executed query is a USE statement that alters the session's current keyspace.

Startup is the first request message that a client sends when establishing a connection.

StatusChangeEvent is a response sent when a node status change event occurs.

Supported is a response message sent in reply to an Options request.

SyntaxError is an error response notifying that the query has a syntax error.

TopologyChangeEvent is a response sent when a topology change event occurs.

TruncateError is an error response notifying that a TRUNCATE statement failed.

Unauthorized is an error response notifying that the logged user is not authorized to perform the request.

Unavailable is an error response sent when the coordinator knows that the consistency level cannot be fulfilled.

Unprepared is an error response sent when an unprepared query execution is attempted.

VariablesMetadata is used in PreparedResult to indicate metadata about the prepared statement's bound variables.

VoidResult is a response message sent when the executed query returns nothing.

WriteFailure is an error response sent when the coordinator receives a write failure from a replica.

WriteTimeout is an error response sent when the coordinator does not receive enough responses from replicas for a write query.