DropSequence operation

Author: cincuranet

Provider/src/FirebirdSql.EntityFrameworkCore.Firebird.Tests/Migrations/MigrationsTests.cs

@@ -457,6 +457,18 @@ public void RestartSequence()
 			Assert.AreEqual(NewLineEnd(@"ALTER SEQUENCE ""MySequence"" START WITH 23;"), batch[0].CommandText);
 		}
 
+		[Test]
+		public void DropSequence()
+		{
+			var operation = new DropSequenceOperation()
+			{
+				Name = "MySequence",
+			};
+			var batch = Generate(new[] { operation });
+			Assert.AreEqual(1, batch.Count());
+			Assert.AreEqual(NewLineEnd(@"DROP SEQUENCE ""MySequence"";"), batch[0].CommandText);
+		}
+
 		[Test]
 		public void AddPrimaryKey()
 		{

Provider/src/FirebirdSql.EntityFrameworkCore.Firebird/Migrations/FbMigrationsSqlGenerator.cs

@@ -225,6 +225,8 @@ protected override void Generate(RestartSequenceOperation operation, IModel mode
 		protected override void Generate(RenameSequenceOperation operation, IModel model, MigrationCommandListBuilder builder)
 			=> throw new NotSupportedException("Renaming sequence is not supported by Firebird.");
 
+		protected override void Generate(DropSequenceOperation operation, IModel model, MigrationCommandListBuilder builder)
+			=> base.Generate(operation, model, builder);
 
 		protected override void Generate(AddPrimaryKeyOperation operation, IModel model, MigrationCommandListBuilder builder)
 			=> base.Generate(operation, model, builder);