Merge pull request #371 from guenaelgonnord/367-job-count-by-state-query-performance

#367 - Improve job count by state query performance

Author: azygis

src/Hangfire.PostgreSql/Scripts/Install.v23.sql

@@ -0,0 +1,13 @@
+SET search_path = 'hangfire';
+
+DO $$
+BEGIN
+    IF EXISTS(SELECT 1 FROM "schema" WHERE "version"::integer >= 23) THEN
+        RAISE EXCEPTION 'version-already-applied';
+END IF;
+END $$;
+
+DROP INDEX IF EXISTS ix_hangfire_job_statename_is_not_null;
+CREATE INDEX ix_hangfire_job_statename_is_not_null ON job USING btree(statename) INCLUDE (id) WHERE statename IS NOT NULL;
+
+RESET search_path;

tests/Hangfire.PostgreSql.Tests/PostgreSqlInstallerFacts.cs

@@ -20,7 +20,7 @@ public void InstallingSchemaUpdatesVersionAndShouldNotThrowAnException()
           PostgreSqlObjectsInstaller.Install(connection, schemaName);
 
           int lastVersion = connection.Query<int>($@"SELECT version FROM ""{schemaName}"".""schema""").Single();
-          Assert.Equal(22, lastVersion);
+          Assert.Equal(23, lastVersion);
 
           connection.Execute($@"DROP SCHEMA ""{schemaName}"" CASCADE;");
         });
@@ -39,7 +39,7 @@ public void InstallingSchemaWithCapitalsUpdatesVersionAndShouldNotThrowAnExcepti
           PostgreSqlObjectsInstaller.Install(connection, schemaName);
 
           int lastVersion = connection.Query<int>($@"SELECT version FROM ""{schemaName}"".""schema""").Single();
-          Assert.Equal(22, lastVersion);
+          Assert.Equal(23, lastVersion);
 
           connection.Execute($@"DROP SCHEMA ""{schemaName}"" CASCADE;");
         });