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));
}
public AllowedValuesMetadata(DType valuesSchema)
{
Contracts.Assert(valuesSchema.IsTable);
Contracts.Assert(valuesSchema.Contains(ValueColumnName));
ValuesSchema = valuesSchema;
}
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);
}
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);
}
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));
}
