bump to 0.7.3

Author: steve-chavez

Makefile

@@ -1,5 +1,5 @@
 EXTENSION = pg_net
-EXTVERSION = 0.7.1
+EXTVERSION = 0.7.3
 
 DATA = $(wildcard sql/*--*.sql)
 

sql/pg_net--0.7.1--0.7.3.sql

@@ -0,0 +1,11 @@
+create or replace function net.check_worker_is_up() returns void as $$
+begin
+  if not exists (select pid from pg_stat_activity where backend_type ilike '%pg_net%') then
+    raise exception using
+      message = 'the pg_net background worker is not up'
+    , detail  = 'the pg_net background worker is down due to an internal error and cannot process requests'
+    , hint    = 'make sure that you didn''t modify any of pg_net internal tables';
+  end if;
+end
+$$ language plpgsql;
+comment on function net.check_worker_is_up() is 'raises an exception if the pg_net background worker is not up, otherwise it doesn''t return anything';