dblink_is_busy
Name
dblink_is_busy -- checks to see if named connection is busy with an async query
Synopsis
dblink_is_busy(text connname) RETURNS int
Inputs
connname
The specific connection name to use
Outputs
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.
Example
SELECT dblink_is_busy('dtest1');