DISCONNECT
DISCONNECT
DISCONNECT - terminate a database connection
Synopsis
DISCONNECT connection_name
DISCONNECT [ CURRENT ]
DISCONNECT DEFAULT
DISCONNECT ALL
Description
DISCONNECT
closes a connection (or all
connections) to the database.
Parameters
-
connection_name -
A database connection name established by the
CONNECTcommand. -
CURRENT -
Close the " current " connection, which is either the most recently opened connection, or the connection set by the
SET CONNECTIONcommand. This is also the default if no argument is given to theDISCONNECTcommand. -
DEFAULT -
Close the default connection.
-
ALL -
Close all open connections.
Examples
int
main(void)
{
EXEC SQL CONNECT TO testdb AS DEFAULT USER testuser;
EXEC SQL CONNECT TO testdb AS con1 USER testuser;
EXEC SQL CONNECT TO testdb AS con2 USER testuser;
EXEC SQL CONNECT TO testdb AS con3 USER testuser;
EXEC SQL DISCONNECT CURRENT; /* close con3 */
EXEC SQL DISCONNECT DEFAULT; /* close DEFAULT */
EXEC SQL DISCONNECT ALL; /* close con2 and con1 */
return 0;
}
Compatibility
DISCONNECT
is specified in the SQL standard.