18th October 2018: PostgreSQL 11 Released!
Supported Versions: Current (11) / 10 / 9.6 / 9.5 / 9.4 / 9.3
Development Versions: devel
Unsupported versions: 9.2 / 9.1 / 9.0 / 8.4 / 8.3

dblink_is_busy

Name

dblink_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');