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This documentation is for the legacy Izenda 6 product. Documentation for the new Izenda 7 product can be found at https://www.izenda.com/docs/

Table of Contents

About

Gets or sets whether MS SQL queries will have the OPTIMIZE FOR UNKNOWN optimizer hint appended to the ends of queries. This can help with performance when working with complex databases or extremely large amounts of table data where filter parameters can be vastly different between executions and when query execution plans can vary depending on those parameters.

Default Value: false

Global.asax (C♯)

//main class: inherits DatabaseAdHocConfig or FileSystemAdHocConfig
public class CustomAdHocConfig : Izenda.AdHoc.DatabaseAdHocConfig
{
  // Configure settings
  // Add custom settings after setting the license key and connection string by overriding the ConfigureSettings() method
  public static void InitializeReporting() {
    //Check to see if we've already initialized.
    if (AdHocContext.Initialized)
      return;
    AdHocSettings.LicenseKey = "INSERT_LICENSE_KEY_HERE";
    AdHocSettings.SqlServerConnectionString = "INSERT_CONNECTION_STRING_HERE";
    Izenda.AdHoc.AdHocSettings.AdHocConfig = new CustomAdHocConfig();
    AdHocSettings.ForceOptimizeForUnknownMsSql = true; //The relevant setting
    AdHocContext.Initialized = true;
  }
}

Global.asax (VB.NET)

'main class: inherits DatabaseAdHocConfig or FileSystemAdHocConfig
Public Class CustomAdHocConfig
    Inherits Izenda.AdHoc.DatabaseAdHocConfig

    Shared Sub InitializeReporting()
        'Check to see if we've already initialized
        If AdHocContext.Initialized Then
            Return
        'Initialize System
        AdHocSettings.LicenseKey = "INSERT_LICENSE_KEY_HERE"
        AdHocSettings.SqlServerConnectionString = "INSERT_CONNECTION_STRING_HERE"
        Izenda.AdHoc.AdHocSettings.AdHocConfig = New CustomAdHocConfig()
        AdHocSettings.ForceOptimizeForUnknownMsSql = True 'The relevant setting
        AdHocContext.Initialized = True
    End Sub
End Class