A database connection name established by the CONNECT command.
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 the DISCONNECT command.
Close the default connection.
Close all open connections.
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;
}
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