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
CONNECT
command. -
CURRENT
# -
Close the " current " connection, which is either the most recently opened connection, or the connection set by the
SET CONNECTION
command. This is also the default if no argument is given to theDISCONNECT
command. -
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.