Esempio n. 1
0
        public override bool UpdateDataQuerySelects(CallNode callNode, TexlBinding binding, DataSourceToQueryOptionsMap dataSourceToQueryOptionsMap)
        {
            Contracts.AssertValue(callNode);
            Contracts.AssertValue(binding);

            // Ignore delegation warning
            if (!CheckArgsCount(callNode, binding, DocumentErrorSeverity.Moderate))
            {
                return(false);
            }

            TexlNode[] args = callNode.Args.Children.VerifyValue();

            DType dsType = binding.GetType(args[0]);

            if (dsType.AssociatedDataSources == null)
            {
                return(false);
            }

            DType      columnType = binding.GetType(args[1]);
            StrLitNode columnNode = args[1].AsStrLit();

            if (columnType.Kind != DKind.String || columnNode == null)
            {
                return(false);
            }
            string columnName = columnNode.Value;

            Contracts.Assert(dsType.Contains(new DName(columnName)));

            return(dsType.AssociateDataSourcesToSelect(dataSourceToQueryOptionsMap, columnName, columnType, true));
        }
Esempio n. 2
0
        public AllowedValuesMetadata(DType valuesSchema)
        {
            Contracts.Assert(valuesSchema.IsTable);
            Contracts.Assert(valuesSchema.Contains(ValueColumnName));

            ValuesSchema = valuesSchema;
        }
Esempio n. 3
0
        public override bool UpdateDataQuerySelects(CallNode callNode, TexlBinding binding, DataSourceToQueryOptionsMap dataSourceToQueryOptionsMap)
        {
            Contracts.AssertValue(callNode);
            Contracts.AssertValue(binding);

            if (!CheckArgsCount(callNode, binding))
            {
                return(false);
            }

            TexlNode[] args = callNode.Args.Children.VerifyValue();

            DType dsType = binding.GetType(args[0]);

            if (dsType.AssociatedDataSources == null)
            {
                return(false);
            }

            var resultType = binding.GetType(callNode).VerifyValue();

            bool retval = false;

            foreach (var typedName in resultType.GetNames(DPath.Root))
            {
                DType  columnType = typedName.Type;
                string columnName = typedName.Name.Value;

                Contracts.Assert(dsType.Contains(new DName(columnName)));

                retval |= dsType.AssociateDataSourcesToSelect(dataSourceToQueryOptionsMap, columnName, columnType, true);
            }
            return(retval);
        }
Esempio n. 4
0
        public override bool UpdateDataQuerySelects(CallNode callNode, TexlBinding binding, DataSourceToQueryOptionsMap dataSourceToQueryOptionsMap)
        {
            Contracts.AssertValue(callNode);
            Contracts.AssertValue(binding);

            if (!CheckArgsCount(callNode, binding, DocumentErrorSeverity.Moderate))
            {
                return(false);
            }

            TexlNode[] args = callNode.Args.Children.VerifyValue();

            DType dsType = binding.GetType(args[0]);

            if (dsType.AssociatedDataSources == null)
            {
                return(false);
            }

            bool retval = false;

            for (int i = 1; i < args.Length; i += 2)
            {
                DType      columnType = binding.GetType(args[i]);
                StrLitNode columnNode = args[i].AsStrLit();
                if (columnType.Kind != DKind.String || columnNode == null)
                {
                    continue;
                }
                string columnName = columnNode.Value;

                Contracts.Assert(dsType.Contains(new DName(columnName)));

                retval |= dsType.AssociateDataSourcesToSelect(dataSourceToQueryOptionsMap, columnName, columnType, true);
            }
            return(retval);
        }
Esempio n. 5
0
            public override OperationCapabilityMetadata Parse(JsonElement dataServiceCapabilitiesJsonObject, DType schema)
            {
                Contracts.AssertValid(schema);

                // Check if any filter metadata is specified or not.
                var filterRestrictionExists     = dataServiceCapabilitiesJsonObject.TryGetProperty(CapabilitiesConstants.Filter_Restriction, out var filterRestrictionJsonObject);
                var globalFilterFunctionsExists = dataServiceCapabilitiesJsonObject.TryGetProperty(CapabilitiesConstants.Filter_Functions, out var globalFilterFunctionsJsonArray);
                var globalFilterSupportsExists  = dataServiceCapabilitiesJsonObject.TryGetProperty(CapabilitiesConstants.Filter_SupportedFunctions, out var globalFilterSupportedFunctionsJsonArray);
                var columnCapabilitiesExists    = dataServiceCapabilitiesJsonObject.TryGetProperty(CapabilitiesConstants.ColumnsCapabilities, out var columnCapabilitiesJsonObj);

                if (!filterRestrictionExists && !globalFilterFunctionsExists && !globalFilterSupportsExists && !columnCapabilitiesExists)
                {
                    return(null);
                }

                // Go through all filter restrictions if defined.
                var columnRestrictions = new Dictionary <DPath, DelegationCapability>();

                // If any nonFilterablepropertis exist then mark each column as such.
                if (filterRestrictionExists && filterRestrictionJsonObject.TryGetProperty(CapabilitiesConstants.Filter_NonFilterableProperties, out var nonFilterablePropertiesJsonArray))
                {
                    foreach (var prop in nonFilterablePropertiesJsonArray.EnumerateArray())
                    {
                        var columnName = DPath.Root.Append(new DName(prop.GetString()));
                        if (!columnRestrictions.ContainsKey(columnName))
                        {
                            columnRestrictions.Add(columnName, new DelegationCapability(DelegationCapability.Filter));
                        }
                    }
                }

                // Check for any FilterFunctions defined at table level.
                DelegationCapability filterFunctionsSupportedByAllColumns = DelegationCapability.None;

                if (globalFilterFunctionsExists)
                {
                    foreach (var op in globalFilterFunctionsJsonArray.EnumerateArray())
                    {
                        var operatorStr = op.GetString();
                        Contracts.AssertNonEmpty(operatorStr);

                        // If we don't support the operator then don't look at this capability.
                        if (!DelegationCapability.OperatorToDelegationCapabilityMap.ContainsKey(operatorStr))
                        {
                            continue;
                        }

                        // If filter functions are specified at table level then that means filter operation is supported.
                        filterFunctionsSupportedByAllColumns |= DelegationCapability.OperatorToDelegationCapabilityMap[operatorStr] | DelegationCapability.Filter;
                    }
                }

                // Check for any FilterSupportedFunctions defined at table level.
                DelegationCapability?filterFunctionsSupportedByTable = null;

                if (globalFilterSupportsExists)
                {
                    filterFunctionsSupportedByTable = DelegationCapability.None;
                    foreach (var op in globalFilterSupportedFunctionsJsonArray.EnumerateArray())
                    {
                        var operatorStr = op.GetString();
                        Contracts.AssertNonEmpty(operatorStr);

                        // If we don't support the operator then don't look at this capability.
                        if (!DelegationCapability.OperatorToDelegationCapabilityMap.ContainsKey(operatorStr))
                        {
                            continue;
                        }

                        // If filter functions are specified at table level then that means filter operation is supported.
                        filterFunctionsSupportedByTable |= DelegationCapability.OperatorToDelegationCapabilityMap[operatorStr] | DelegationCapability.Filter;
                    }
                }

                Dictionary <DPath, DelegationCapability> columnCapabilities = new Dictionary <DPath, DelegationCapability>();

                if (!columnCapabilitiesExists)
                {
                    return(new FilterOpMetadata(schema, columnRestrictions, columnCapabilities, filterFunctionsSupportedByAllColumns, filterFunctionsSupportedByTable));
                }

                // Sweep through all column filter capabilities.
                foreach (var column in columnCapabilitiesJsonObj.EnumerateObject())
                {
                    var columnPath = DPath.Root.Append(new DName(column.Name));

                    // Internal columns don't appear in schema and we don't gather any information about it as they don't appear in expressions.
                    // Task 790576: Runtime should provide visibility information along with delegation metadata information per column
                    if (!schema.Contains(columnPath))
                    {
                        continue;
                    }

                    // Get capabilities object for column
                    var capabilitiesDefinedByColumn = column.Value;

                    // Get properties object for the column
                    if (capabilitiesDefinedByColumn.TryGetProperty(CapabilitiesConstants.Properties, out var propertyCapabilities))
                    {
                        foreach (var property in propertyCapabilities.EnumerateObject())
                        {
                            var propertyPath = columnPath.Append(new DName(property.Name));
                            var capabilitiesDefinedByColumnProperty = property.Value;

                            if (!capabilitiesDefinedByColumnProperty.TryGetProperty(CapabilitiesConstants.Capabilities, out var propertyCapabilityJsonObject))
                            {
                                continue;
                            }

                            var propertyCapability = ParseColumnCapability(propertyCapabilityJsonObject, capabilityKey: CapabilitiesConstants.Filter_Functions);
                            if (propertyCapability.Capabilities != DelegationCapability.None)
                            {
                                Contracts.Assert(schema.Contains(propertyPath));

                                // If column is specified as non-filterable then this metadata shouldn't be present.
                                // But if it is present then we should ignore it.
                                if (!columnRestrictions.ContainsKey(propertyPath))
                                {
                                    columnCapabilities.Add(propertyPath, propertyCapability | DelegationCapability.Filter);
                                }
                            }
                        }
                    }

                    // Get capability object defined for column.
                    // This is optional as for columns with complex types (nested table or record), it will have "properties" key instead.
                    // We are not supporting that case for now. So we ignore it currently.
                    if (!capabilitiesDefinedByColumn.TryGetProperty(CapabilitiesConstants.Capabilities, out var capabilityJsonObject))
                    {
                        continue;
                    }

                    var isChoice = capabilityJsonObject.TryGetProperty(CapabilitiesConstants.PropertyIsChoice, out var isChoiceElement) && isChoiceElement.GetBoolean();

                    var capability = ParseColumnCapability(capabilityJsonObject, capabilityKey: CapabilitiesConstants.Filter_Functions);
                    if (capability.Capabilities != DelegationCapability.None)
                    {
                        Contracts.Assert(schema.Contains(columnPath));

                        // If column is specified as non-filterable then this metadata shouldn't be present.
                        // But if it is present then we should ignore it.
                        if (!columnRestrictions.ContainsKey(columnPath))
                        {
                            columnCapabilities.Add(columnPath, capability | DelegationCapability.Filter);
                        }

                        if (isChoice == true)
                        {
                            var choicePropertyPath = columnPath.Append(new DName(ODataMetaParser.ValueProperty));
                            if (!columnRestrictions.ContainsKey(choicePropertyPath))
                            {
                                columnCapabilities.Add(choicePropertyPath, capability | DelegationCapability.Filter);
                            }
                        }
                    }
                }

                return(new FilterOpMetadata(schema, columnRestrictions, columnCapabilities, filterFunctionsSupportedByAllColumns, filterFunctionsSupportedByTable));
            }