Create a connection object to an PostgreSQL DBMS
These methods are straight-forward implementations of the corresponding generic functions.
an object of class
PostgreSQLDriver, or the character string "PostgreSQL" or an
PostgreSQLConnectionobject as produced by
Name or the numeric IPaddress of the host to connect to. If address is specified, it should be in the standard IPv4 address format, e.g., 172.28.40.9 or if your machine supports IPv6, you can also use those addresses. The default is to connect to localhost by a UNIX domain socket.
The database name. Defaults to "", which is interpreted as PostgreSQL default.
PostgreSQL user name to connect as. Defaults to be the same as the operating system name of the user running the application.
Password to be used if the server demands password authentication.
Port number to connect to at the server host.
Ignored (formerly, this specified where to send server debug output).
Command-line options to be sent to the server.
logical if the communication of date (time stamp) from PostgreSQL is forced to ISO style at conection.
A connection between R/S-Plus and an PostgreSQL server is established. The current implementation supports up to 100 simultaneous connections.
See the Database Interface definition document
DBI.pdf in the base directory of this package