dbConnect-methods {RMySQL} | R Documentation |
These methods are straight-forward implementations of the corresponding generic functions.
MySQLDriver
, or
the character string "MySQL" or an MySQLConnection
.
MySQLConnection
object as produced by dbConnect
.
""
is interpreted as "localhost"
.default.file
to use for setting authentication parameters (see MySQL
.)\$HOME/.my.cnf
A connection between R/S-Plus and an MySQL 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
or http://stat.bell-labs.com/RS-DBI.
MySQL
,
dbConnect
,
dbSendQuery
,
dbGetQuery
,
fetch
,
dbCommit
,
dbGetInfo
,
dbReadTable
.
## Not run: # create an MySQL instance and create one connection. drv <- dbDriver("MySQL") # open the connection using user, passsword, etc., as con <- dbConnect(drv, group = "rs-dbi") # Run an SQL statement by creating first a resultSet object rs <- dbSendQuery(con, statement = paste( "SELECT w.laser_id, w.wavelength, p.cut_off", "FROM WL w, PURGE P", "WHERE w.laser_id = p.laser_id", "SORT BY w.laser_id") # we now fetch records from the resultSet into a data.frame data <- fetch(rs, n = -1) # extract all rows dim(data) ## End(Not run)