List all the currently active connections with their information including the connection ID, host, user, database, DBMS (database management system), MADlib schema name in the database, and the R package name used to connect to the database.
db.list()
No value is returned.
db.connect
connects to database.
db.disconnect
disconnects a connection.
connection info
the functions that extract information
about the connection.
conn.eql
tests whether two connections are the same.
# NOT RUN {
<!-- %% @test .port Database port number -->
<!-- %% @test .dbname Database name -->
## set up the database connection
## Assume that .port is port number and .dbname is the database name
cid1 <- db.connect(port = .port, dbname = .dbname, verbose = FALSE)
cid2 <- db.connect(port = .port, dbname = .dbname, verbose = FALSE)
db.list() # list the two connections
db.disconnect(cid1, verbose = FALSE)
db.disconnect(cid2, verbose = FALSE)
# }
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