## dblink\_is\_busydblink\_is\_busy — checks if connection is busy with an async query## Synopsis```dblink_is_busy(text connname) returns int```## Description`dblink_is_busy` tests whether an async query is in progress.## Arguments*`connname`* Name of the connection to check.## Return Value Returns 1 if connection is busy, 0 if it is not busy. If this function returns 0, it is guaranteed that `dblink_get_result` will not block.## Examples```SELECT dblink_is_busy('dtest1');```