DISCONNECT
DISCONNECT — terminate a database connection
Synopsis
DISCONNECT connection_name
DISCONNECT [ CURRENT ]
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.ALL
#Close all open connections.
Examples
int main(void) { 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 ALL; /* close con2 and con1 */ return 0; }
Compatibility
DISCONNECT
is specified in the SQL standard.