DomainConfiguration.PreferTypeIdsAsQueryParameters

Author: alex-kulakov

Orm/Xtensive.Orm/Orm/Configuration/DomainConfiguration.cs

@@ -81,6 +81,11 @@ public class DomainConfiguration : ConfigurationBase
     /// </summary>
     public const bool DefaultEnsureConnectionIsAlive = true;
 
+    /// <summary>
+    /// Default <see cref="PreferTypeIdsAsQueryParameters"/> value: <see langword="true" />.
+    /// </summary>
+    public const bool DefaultPreferTypeIdsAsQueryParameters = true;
+
     #endregion
 
     private static bool sectionNameIsDefined;
@@ -109,6 +114,7 @@ public class DomainConfiguration : ConfigurationBase
     private bool multidatabaseKeys = DefaultMultidatabaseKeys;
     private bool shareStorageSchemaOverNodes = DefaultShareStorageSchemaOverNodes;
     private bool ensureConnectionIsAlive = DefaultEnsureConnectionIsAlive;
+    private bool preferTypeIdsAsQueryParameters = DefaultPreferTypeIdsAsQueryParameters;
     private DomainOptions options = DomainOptions.Default;
     private SchemaSyncExceptionFormat schemaSyncExceptionFormat = SchemaSyncExceptionFormat.Default;
     private MappingRuleCollection mappingRules = new MappingRuleCollection();
@@ -594,6 +600,18 @@ public bool EnsureConnectionIsAlive
       }
     }
 
+    /// <summary>
+    /// Makes queries use parameters instead of constant values for persistent type identifiers.
+    /// </summary>
+    public bool PreferTypeIdsAsQueryParameters
+    {
+      get { return preferTypeIdsAsQueryParameters; }
+      set {
+        EnsureNotLocked();
+        preferTypeIdsAsQueryParameters = value;
+      }
+    }
+
     /// <summary>
     /// Defines where tags will be placed when used within queries.
     /// </summary>

Orm/Xtensive.Orm/Orm/Configuration/Elements/DomainConfigurationElement.cs

@@ -50,6 +50,7 @@ public class DomainConfigurationElement : ConfigurationCollectionElementBase
     private const string FullTextChangeTrackingModeElementName = "fullTextChangeTrackingMode";
     private const string VersioningConventionElementName = "versioningConvention";
     private const string EnsureConnectionIsAliveElementName = "ensureConnectionIsAlive";
+    private const string PreferTypeIdsAsQueryParametersElementName = "preferTypeIdsAsQueryParameters";
     private const string TagsLocationElementName = "tagsLocation";
 
 
@@ -403,6 +404,16 @@ public string TagsLocation
       set => this[TagsLocationElementName] = value;
     }
 
+    /// <summary>
+    /// <see cref="DomainConfiguration.PreferTypeIdsAsQueryParameters" copy="true"/>
+    /// </summary>
+    [ConfigurationProperty(PreferTypeIdsAsQueryParametersElementName, DefaultValue = true)]
+    public bool PreferTypeIdsAsQueryParameters
+    {
+      get { return (bool) this[PreferTypeIdsAsQueryParametersElementName]; }
+      set { this[PreferTypeIdsAsQueryParametersElementName] = value; }
+    }
+
     /// <summary>
     /// Converts the element to a native configuration object it corresponds to - 
     /// i.e. to a <see cref="DomainConfiguration"/> object.
@@ -434,6 +445,7 @@ public DomainConfiguration ToNative()
         MultidatabaseKeys = MultidatabaseKeys,
         ShareStorageSchemaOverNodes = ShareStorageSchemaOverNodes,
         EnsureConnectionIsAlive = EnsureConnectionIsAlive,
+        PreferTypeIdsAsQueryParameters = PreferTypeIdsAsQueryParameters,
         FullTextChangeTrackingMode = ParseEnum<FullTextChangeTrackingMode>(FullTextChangeTrackingMode),
         VersioningConvention = VersioningConvention.ToNative(),
         TagsLocation = (TagsLocation) Enum.Parse(typeof(TagsLocation), TagsLocation, true),

Orm/Xtensive.Orm/Orm/Providers/CompilationService.cs

@@ -21,7 +21,11 @@ public sealed class CompilationService
     private readonly Func<CompilerConfiguration, ICompiler, IPostCompiler> postCompilerProvider;
 
     public CompilerConfiguration CreateConfiguration(Session session) =>
-      new CompilerConfiguration { StorageNode = session.StorageNode, Tags = session.Tags };
+      new() {
+        StorageNode = session.StorageNode,
+        Tags = session.Tags,
+        PreferTypeIdAsParameter = session.Domain.Configuration.PreferTypeIdsAsQueryParameters
+      };
 
     public ExecutableProvider Compile(CompilableProvider provider, CompilerConfiguration configuration)
     {

Orm/Xtensive.Orm/Orm/Providers/CompilerConfiguration.cs

@@ -11,6 +11,7 @@ namespace Xtensive.Orm.Providers
   public sealed class CompilerConfiguration
   {
     public bool PrepareRequest { get; set; }
+    public bool PreferTypeIdAsParameter { get; set; }
     public IReadOnlyList<string> Tags { get; init; }
 
     internal StorageNode StorageNode { get; set; }

Orm/Xtensive.Orm/Orm/Providers/SqlCompiler.cs

@@ -580,7 +580,7 @@ public SqlCompiler(HandlerAccessor handlers, CompilerConfiguration configuration
       providerInfo = Handlers.ProviderInfo;
       temporaryTablesSupported = DomainHandler.TemporaryTableManager.Supported;
       forceApplyViaReference = Handlers.StorageDriver.ServerInfo.Query.Features.HasFlag(Sql.Info.QueryFeatures.CrossApplyForSubqueriesOnly);
-      useParameterForTypeId = Driver.ServerInfo.Query.Features.HasFlag(Sql.Info.QueryFeatures.ParameterAsColumn);
+      useParameterForTypeId = configuration.PreferTypeIdAsParameter && Driver.ServerInfo.Query.Features.HasFlag(Sql.Info.QueryFeatures.ParameterAsColumn);
 
       if (!providerInfo.Supports(ProviderFeatures.FullFeaturedBooleanExpressions)) {
         booleanExpressionConverter = new BooleanExpressionConverter(Driver);