Add RecordVersionStatistics to FbStatisticalFlags (FirebirdSQL#125)

Author: gerdus

src/FirebirdSql.Data.FirebirdClient.Tests/FbServicesTests.cs

@@ -223,6 +223,22 @@ public async Task StatisticsTest()
 await statisticalSvc.ExecuteAsync();
 }
 
+[Test]
+public async Task StatisticsRecordVersionTest()
+{
+var sb = new StringBuilder();
+var statisticalSvc = new FbStatistical();
+statisticalSvc.ConnectionString = BuildServicesConnectionString(ServerType, Compression, WireCrypt, true);
+statisticalSvc.Options = FbStatisticalFlags.RecordVersionStatistics;
+statisticalSvc.ServiceOutput += (object sender, ServiceOutputEventArgs e) =>
+{
+sb.AppendLine(e.Message);
+};
+await statisticalSvc.ExecuteAsync();
+var statisticalOutput = sb.ToString();
+Assert.IsTrue(statisticalOutput.Contains("Average record length"),"Record statistics not found");
+}
+
 [Test]
 public async Task FbLogTest()
 {

src/FirebirdSql.Data.FirebirdClient/Services/FbStatisticalFlags.cs

@@ -16,15 +16,43 @@
 //$Authors = Carlos Guzman Alvarez, Jiri Cincura (jiri@cincura.net)
 
 using System;
+using System.ComponentModel;
 
 namespace FirebirdSql.Data.Services;
 
+/// <summary>
+/// Flags used by FbStatistical.Options
+/// </summary>
 [Flags]
 public enum FbStatisticalFlags
 {
+/// <summary>
+/// analyze data pages
+/// </summary>
 DataPages = 0x01,
+
+/// <summary>
+/// DatabaseLog - no longer used by firebird
+/// </summary>
 DatabaseLog = 0x02,
+
+/// <summary>
+/// analyze header page ONLY
+/// </summary>
 HeaderPages = 0x04,
+
+/// <summary>
+/// analyze index leaf pages
+/// </summary>
 IndexPages = 0x08,
+
+/// <summary>
+/// analyze system relations in addition to user tables
+/// </summary>
 SystemTablesRelations = 0x10,
+
+/// <summary>
+/// analyze average record and version length
+/// </summary>
+RecordVersionStatistics = 0x20,
 }

src/FirebirdSql.Data.TestsBase/FbTestsBase.cs

@@ -196,6 +196,7 @@ public static FbConnectionStringBuilder BuildServicesConnectionStringBuilder(FbS
 builder.Database = FbTestsSetup.Database(serverType, compression, wireCrypt);
 }
 builder.ServerType = serverType;
+builder.Port = FbTestsSetup.Port;
 return builder;
 }