change queue field data type from VARCHAR(20) to TEXT (issue #71) (#95)

* change queue size from 20 to 100 (issue #71)

* changed queue field data type to TEXT

* Added additional migration file + restored original v3 install file

Author: zhiyuanzhang-unai

src/Hangfire.PostgreSql/Install.v10.sql

@@ -0,0 +1,15 @@
+SET search_path = 'hangfire';
+--
+-- Table structure for table `Schema`
+--
+
+DO
+$$
+BEGIN
+    IF EXISTS (SELECT 1 FROM "schema" WHERE "version"::integer >= 9) THEN
+        RAISE EXCEPTION 'version-already-applied';
+    END IF;
+END
+$$;
+
+ALTER TABLE "jobqueue" ALTER COLUMN "queue" TYPE TEXT;

tests/Hangfire.PostgreSql.Tests/PostgreSqlJobQueueFacts.cs

@@ -426,6 +426,23 @@ public void Enqueue_AddsAJobToTheQueue_WithoutUseNativeDatabaseTransactions()
 			Enqueue_AddsAJobToTheQueue(false);
 		}
 
+		[Fact, CleanDatabase]
+		public void Queues_Should_Support_Long_Queue_Names()
+		{
+			UseConnection(connection =>
+			{
+				var queue = CreateJobQueue(connection, false);
+
+				var name = "very_long_name_that_is_over_20_characters_long_or_something";
+
+				Assert.True(name.Length > 21);
+
+				queue.Enqueue(name, "1");
+
+				var record = connection.Query(@"select * from """ + GetSchemaName() + @""".""jobqueue""").Single();
+				Assert.Equal(name, record.queue.ToString());
+			});
+		}
 
 		private void Enqueue_AddsAJobToTheQueue(bool useNativeDatabaseTransactions)
 		{