private bool IsColumnSortable(StrLitNode node, TexlBinding binding, SortOpMetadata sortMetadata) { Contracts.AssertValue(node); Contracts.AssertValue(binding); Contracts.AssertValue(sortMetadata); DPath columnPath = DPath.Root.Append(new DName(node.Value)); if (!sortMetadata.IsDelegationSupportedByColumn(columnPath, DelegationCapability.Sort)) { SuggestDelegationHint(node, binding); return(false); } return(true); }
public override bool IsServerDelegatable(CallNode callNode, TexlBinding binding) { Contracts.AssertValue(callNode); Contracts.AssertValue(binding); if (!CheckArgsCount(callNode, binding)) { return(false); } SortOpMetadata metadata = null; IDelegationMetadata delegationMetadata = null; IExternalDataSource dataSource; if (TryGetEntityMetadata(callNode, binding, out delegationMetadata)) { if (!binding.Document.Properties.EnabledFeatures.IsEnhancedDelegationEnabled || !TryGetValidDataSourceForDelegation(callNode, binding, DelegationCapability.ArrayLookup, out _)) { SuggestDelegationHint(callNode, binding); return(false); } metadata = delegationMetadata.SortDelegationMetadata.VerifyValue(); } else { if (!TryGetValidDataSourceForDelegation(callNode, binding, DelegationCapability.Sort, out dataSource)) { return(false); } metadata = dataSource.DelegationMetadata.SortDelegationMetadata; } TexlNode[] args = callNode.Args.Children.VerifyValue(); TexlNode arg1 = args[1].VerifyValue(); // For now, we are only supporting delegation for Sort operations where second argument is column name. // For example, Sort(CDS, Value) FirstNameNode firstName = arg1.AsFirstName(); if (firstName == null) { SuggestDelegationHint(arg1, binding); AddSuggestionMessageToTelemetry("Arg1 is not a FirstName node.", arg1, binding); DelegationTrackerCore.SetDelegationTrackerStatus(DelegationStatus.UnSupportedSortArg, arg1, binding, this, DelegationTelemetryInfo.CreateEmptyDelegationTelemetryInfo()); return(false); } FirstNameInfo firstNameInfo = binding.GetInfo(firstName); if (firstNameInfo == null) { return(false); } DPath columnName = DPath.Root.Append(firstNameInfo.Name); if (!metadata.IsDelegationSupportedByColumn(columnName, DelegationCapability.Sort)) { SuggestDelegationHint(firstName, binding); DelegationTrackerCore.SetDelegationTrackerStatus(DelegationStatus.NoDelSupportByColumn, firstName, binding, this, DelegationTelemetryInfo.CreateNoDelSupportByColumnTelemetryInfo(firstNameInfo)); return(false); } const string defaultSortOrder = LanguageConstants.AscendingSortOrderString; int cargs = args.Count(); // Verify that the third argument (If present) is an Enum or string literal. if (cargs < 3 && IsSortOrderSuppportedByColumn(callNode, binding, defaultSortOrder, metadata, columnName)) { return(true); } // TASK: 6237100 - Binder: Propagate errors in subtree of the callnode to the call node itself // Only FirstName, DottedName and StrLit non-async nodes are supported for arg2. TexlNode arg2 = args[2].VerifyValue(); if (!IsValidSortOrderNode(arg2, metadata, binding, columnName)) { SuggestDelegationHint(arg2, binding); return(false); } return(true); }