Support for fb_info_next_statement (#939)

Author: cincuranet

Provider/src/FirebirdSql.Data.FirebirdClient.Tests/FbDatabaseInfoTests.cs

@@ -42,7 +42,7 @@ public void CompleteDatabaseInfoTest()
 				.Where(x => !x.IsSpecialName)
 				.Where(x => x.Name.EndsWith("Async")))
 			{
-				if (ServerVersion < new Version(4, 0, 0, 0) && new[] { "GetWireCryptAsync", "GetCryptPluginAsync", "GetNextAttachmentAsync" }.Contains(m.Name))
+				if (ServerVersion < new Version(4, 0, 0, 0) && new[] { "GetWireCryptAsync", "GetCryptPluginAsync", "GetNextAttachmentAsync", "GetNextStatementAsync" }.Contains(m.Name))
 					continue;
 
 				Assert.DoesNotThrowAsync(() => (Task)m.Invoke(dbInfo, new object[] { CancellationToken.None }), m.Name);

Provider/src/FirebirdSql.Data.FirebirdClient/Common/IscHelper.cs

@@ -72,6 +72,7 @@ public static List<object> ParseDatabaseInfo(byte[] buffer)
 					case IscCodes.isc_info_active_transactions:
 					case IscCodes.isc_info_active_tran_count:
 					case IscCodes.fb_info_next_attachment:
+					case IscCodes.fb_info_next_statement:
 						info.Add(VaxInteger(buffer, pos, length));
 						break;
 

Provider/src/FirebirdSql.Data.FirebirdClient/FirebirdClient/FbDatabaseInfo.cs

@@ -404,6 +404,15 @@ public Task<long> GetNextAttachmentAsync(CancellationToken cancellationToken = d
 			return GetValueAsync<long>(IscCodes.fb_info_next_attachment, cancellationToken);
 		}
 
+		public long GetNextStatement()
+		{
+			return GetValue<long>(IscCodes.fb_info_next_statement);
+		}
+		public Task<long> GetNextStatementAsync(CancellationToken cancellationToken = default)
+		{
+			return GetValueAsync<long>(IscCodes.fb_info_next_statement, cancellationToken);
+		}
+
 		#endregion
 
 		#region Constructors