This packet is sent by the client to initiate a connection.
See the Vertica documentation for more details about this packet.
fixedProtocolMajor (int): the major number of the protocol
fixedProtocolMinor (int): the minor number of the protocol
requestedProtocolMajor (int): the major number of the requested protocol
requestedProtocolMinor (int): the minor number of the requested protocol
parameters (Map<string, string>): name/value pairs of parameters
setFixedProtocol(int major, int minor): sets the fixed protocol version
getParameter(string name): returns the value of the specified parameter, or null if not found
setParameter(string name, string value): sets the value of the specified parameter, or creates a new parameter
removeParameter(string name): removes the specified parameter, returns the old value or null if not found