Support for fb_info_db_guid (#940)

Author: cincuranet

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

@@ -49,7 +49,8 @@ public void CompleteDatabaseInfoTest()
 						nameof(FbDatabaseInfo.GetNextAttachmentAsync),
 						nameof(FbDatabaseInfo.GetNextStatementAsync),
 						nameof(FbDatabaseInfo.GetReplicaModeAsync),
-						nameof(FbDatabaseInfo.GetDbFileIdAsync)
+						nameof(FbDatabaseInfo.GetDbFileIdAsync),
+						nameof(FbDatabaseInfo.GetDbGuidAsync),
 					}.Contains(m.Name))
 					continue;
 

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

@@ -92,6 +92,10 @@ public static List<object> ParseDatabaseInfo(byte[] buffer)
 						info.Add(Encoding2.Default.GetString(buffer, pos, length));
 						break;
 
+					case IscCodes.fb_info_db_guid:
+						info.Add(Guid.ParseExact(Encoding2.Default.GetString(buffer, pos, length), "B"));
+						break;
+
 					case IscCodes.isc_info_base_level:
 						info.Add(string.Format(CultureInfo.CurrentCulture, "{0}.{1}", buffer[pos], buffer[pos + 1]));
 						break;

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

@@ -431,6 +431,15 @@ public Task<string> GetDbFileIdAsync(CancellationToken cancellationToken = defau
 			return GetValueAsync<string>(IscCodes.fb_info_db_file_id, cancellationToken);
 		}
 
+		public Guid GetDbGuid()
+		{
+			return GetValue<Guid>(IscCodes.fb_info_db_guid);
+		}
+		public Task<Guid> GetDbGuidAsync(CancellationToken cancellationToken = default)
+		{
+			return GetValueAsync<Guid>(IscCodes.fb_info_db_guid, cancellationToken);
+		}
+
 		#endregion
 
 		#region Constructors