internal override ScalarFunction CompileToFunction(QueryCompilationContext context, GraphViewCommand command)
{
string funcName = FunctionName.ToString().ToLowerInvariant();
switch (funcName)
{
case "withinarray":
WColumnReferenceExpression checkField = Parameters[0] as WColumnReferenceExpression;
WColumnReferenceExpression arrayField = Parameters[1] as WColumnReferenceExpression;
return(new WithInArray(context.LocateColumnReference(checkField), context.LocateColumnReference(arrayField)));
case "withoutarray":
checkField = Parameters[0] as WColumnReferenceExpression;
arrayField = Parameters[1] as WColumnReferenceExpression;
return(new WithOutArray(context.LocateColumnReference(checkField), context.LocateColumnReference(arrayField)));
case "hasproperty":
checkField = Parameters[0] as WColumnReferenceExpression;
WValueExpression propertyName = Parameters[1] as WValueExpression;
return(new HasProperty(context.LocateColumnReference(checkField), propertyName.Value));
case "compose1":
List <Tuple <string, int> > targetFieldsAndTheirNames = new List <Tuple <string, int> >();
WValueExpression defaultProjectionKey = Parameters[1] as WValueExpression;
if (defaultProjectionKey == null)
{
throw new SyntaxErrorException("The first parameter of Compose1 has to be a WValueExpression.");
}
for (int i = 0; i < Parameters.Count; i += 2)
{
WColumnReferenceExpression columnRef = Parameters[i] as WColumnReferenceExpression;
WValueExpression name = Parameters[i + 1] as WValueExpression;
if (name == null)
{
throw new SyntaxErrorException("The parameter of Compose1 at an even position has to be a WValueExpression.");
}
if (columnRef == null)
{
throw new SyntaxErrorException("The parameter of Compose1 at an odd position has to be a WColumnReference.");
}
targetFieldsAndTheirNames.Add(new Tuple <string, int>(name.Value, context.LocateColumnReference(columnRef)));
}
return(new ComposeCompositeField(targetFieldsAndTheirNames, defaultProjectionKey.Value));
case "compose2":
List <ScalarFunction> inputOfCompose2 = new List <ScalarFunction>();
foreach (var parameter in Parameters)
{
inputOfCompose2.Add(parameter.CompileToFunction(context, command));
}
return(new Compose2(inputOfCompose2));
case "path":
List <Tuple <ScalarFunction, bool, HashSet <string> > > pathStepList;
List <ScalarFunction> byFuncList;
WPathTableReference.GetPathStepListAndByFuncList(context, command, this.Parameters,
out pathStepList, out byFuncList);
return(new Path(pathStepList));
default:
throw new NotImplementedException("Function " + funcName + " hasn't been implemented.");
}
throw new NotImplementedException("Function " + funcName + " hasn't been implemented.");
}
internal static WSchemaObjectFunctionTableReference GetFunctionTableReference(string functionName,
List <WScalarExpression> parameterList, string alias = null)
{
WSchemaObjectFunctionTableReference funcTableRef;
switch (functionName)
{
case GremlinKeyword.func.Coalesce:
funcTableRef = new WCoalesceTableReference();
break;
case GremlinKeyword.func.Commit:
funcTableRef = new WCommitTableReference();
break;
case GremlinKeyword.func.Constant:
funcTableRef = new WConstantReference();
break;
case GremlinKeyword.func.FlatMap:
funcTableRef = new WFlatMapTableReference();
break;
case GremlinKeyword.func.Key:
funcTableRef = new WKeyTableReference();
break;
case GremlinKeyword.func.Local:
funcTableRef = new WLocalTableReference();
break;
case GremlinKeyword.func.Optional:
funcTableRef = new WOptionalTableReference();
break;
case GremlinKeyword.func.Properties:
funcTableRef = new WPropertiesTableReference();
break;
case GremlinKeyword.func.AllProperties:
funcTableRef = new WAllPropertiesTableReference();
break;
case GremlinKeyword.func.Repeat:
funcTableRef = new WRepeatTableReference();
break;
case GremlinKeyword.func.Value:
funcTableRef = new WValueTableReference();
break;
case GremlinKeyword.func.Values:
funcTableRef = new WValuesTableReference();
break;
case GremlinKeyword.func.AllValues:
funcTableRef = new WAllValuesTableReference();
break;
case GremlinKeyword.func.Unfold:
funcTableRef = new WUnfoldTableReference();
break;
case GremlinKeyword.func.Union:
funcTableRef = new WUnionTableReference();
break;
case GremlinKeyword.func.Project:
funcTableRef = new WProjectTableReference();
break;
case GremlinKeyword.func.AddV:
funcTableRef = new WAddVTableReference();
break;
case GremlinKeyword.func.AddE:
funcTableRef = new WAddETableReference();
break;
case GremlinKeyword.func.SideEffect:
funcTableRef = new WSideEffectTableReference();
break;
case GremlinKeyword.func.DedupGlobal:
funcTableRef = new WDedupGlobalTableReference();
break;
case GremlinKeyword.func.DedupLocal:
funcTableRef = new WDedupLocalTableReference();
break;
case GremlinKeyword.func.Drop:
funcTableRef = new WDropTableReference();
break;
case GremlinKeyword.func.UpdateProperties:
funcTableRef = new WUpdatePropertiesTableReference();
break;
case GremlinKeyword.func.Inject:
funcTableRef = new WInjectTableReference();
break;
case GremlinKeyword.func.Path:
funcTableRef = new WPathTableReference();
break;
case GremlinKeyword.func.Expand:
funcTableRef = new WExpandTableReference();
break;
case GremlinKeyword.func.Map:
funcTableRef = new WMapTableReference();
break;
case GremlinKeyword.func.Group:
funcTableRef = new WGroupTableReference();
break;
case GremlinKeyword.func.Store:
funcTableRef = new WStoreTableReference();
break;
case GremlinKeyword.func.Subgraph:
funcTableRef = new WSubgraphTableReference();
break;
case GremlinKeyword.func.Aggregate:
funcTableRef = new WAggregateTableReference();
break;
case GremlinKeyword.func.Coin:
funcTableRef = new WCoinTableReference();
break;
case GremlinKeyword.func.CountLocal:
funcTableRef = new WCountLocalTableReference();
break;
case GremlinKeyword.func.MinLocal:
funcTableRef = new WMinLocalTableReference();
break;
case GremlinKeyword.func.MaxLocal:
funcTableRef = new WMaxLocalTableReference();
break;
case GremlinKeyword.func.MeanLocal:
funcTableRef = new WMeanLocalTableReference();
break;
case GremlinKeyword.func.SumLocal:
funcTableRef = new WSumLocalTableReference();
break;
case GremlinKeyword.func.OrderGlobal:
funcTableRef = new WOrderGlobalTableReference();
break;
case GremlinKeyword.func.OrderLocal:
funcTableRef = new WOrderLocalTableReference();
break;
case GremlinKeyword.func.Path2:
funcTableRef = new WPath2TableReference();
break;
case GremlinKeyword.func.RangeGlobal:
funcTableRef = new WRangeGlobalTableReference();
break;
case GremlinKeyword.func.RangeLocal:
funcTableRef = new WRangeLocalTableReference();
break;
case GremlinKeyword.func.Decompose1:
funcTableRef = new WDecomposeTableReference();
break;
case GremlinKeyword.func.Tree:
funcTableRef = new WTreeTableReference();
break;
case GremlinKeyword.func.SimplePath:
funcTableRef = new WSimplePathTableReference();
break;
case GremlinKeyword.func.CyclicPath:
funcTableRef = new WCyclicPathTableReference();
break;
case GremlinKeyword.func.ValueMap:
funcTableRef = new WValueMapTableReference();
break;
case GremlinKeyword.func.PropertyMap:
funcTableRef = new WPropertyMapTableReference();
break;
case GremlinKeyword.func.SampleGlobal:
funcTableRef = new WSampleGlobalTableReference();
break;
case GremlinKeyword.func.SampleLocal:
funcTableRef = new WSampleLocalTableReference();
break;
case GremlinKeyword.func.Barrier:
funcTableRef = new WBarrierTableReference();
break;
case GremlinKeyword.func.Choose:
funcTableRef = new WChooseTableReference();
break;
case GremlinKeyword.func.ChooseWithOptions:
funcTableRef = new WChooseWithOptionsTableReference();
break;
case GremlinKeyword.func.Select:
funcTableRef = new WSelectTableReference();
break;
case GremlinKeyword.func.SelectOne:
funcTableRef = new WSelectOneTableReference();
break;
case GremlinKeyword.func.SelectColumn:
funcTableRef = new WSelectColumnTableReference();
break;
case GremlinKeyword.func.GraphViewId:
funcTableRef = new WIdTableReference();
break;
case GremlinKeyword.func.GraphViewLabel:
funcTableRef = new WLabelTableReference();
break;
case GremlinKeyword.func.V:
funcTableRef = new WBoundNodeTableReference();
break;
case GremlinKeyword.func.EdgeToSourceVertex:
funcTableRef = new WEdgeToSourceVertexTableReference();
break;
case GremlinKeyword.func.EdgeToSinkVertex:
funcTableRef = new WEdgeToSinkVertexTableReference();
break;
case GremlinKeyword.func.EdgeToOtherVertex:
funcTableRef = new WEdgeToOtherVertexTableReference();
break;
case GremlinKeyword.func.EdgeToBothVertex:
funcTableRef = new WEdgeToBothVertexTableReference();
break;
case GremlinKeyword.func.VertexToForwardEdge:
funcTableRef = new WVertexToForwardEdgeTableReference();
break;
case GremlinKeyword.func.VertexToBackwardEdge:
funcTableRef = new WVertexToBackwordEdgeTableReference();
break;
case GremlinKeyword.func.VertexToBothEdge:
funcTableRef = new WVertexToBothEdgeTableReference();
break;
case GremlinKeyword.func.Filter:
funcTableRef = new WFilterTableReference();
break;
case GremlinKeyword.func.Match:
funcTableRef = new WMatchTableReference();
break;
case GremlinKeyword.func.MatchStart:
funcTableRef = new WMatchStartTableReference();
break;
case GremlinKeyword.func.MatchEnd:
funcTableRef = new WMatchEndTableReference();
break;
default:
throw new NotImplementedException();
}
funcTableRef.SchemaObject = GetSchemaObjectName(functionName);
funcTableRef.Parameters = parameterList;
funcTableRef.Alias = GetIdentifier(alias);
return(funcTableRef);
}
internal static WSchemaObjectFunctionTableReference GetFunctionTableReference(string functionName,
List <WScalarExpression> parameterList, GremlinVariable gremlinvariable, string alias = null)
{
WSchemaObjectFunctionTableReference funcTableRef;
switch (functionName)
{
case GremlinKeyword.func.Coalesce:
funcTableRef = new WCoalesceTableReference();
break;
case GremlinKeyword.func.Constant:
funcTableRef = new WConstantReference();
break;
case GremlinKeyword.func.OutE:
funcTableRef = new WBoundOutEdgeTableReference();
break;
case GremlinKeyword.func.InE:
funcTableRef = new WBoundInEdgeTableReference();
break;
case GremlinKeyword.func.BothE:
funcTableRef = new WBoundBothEdgeTableReference();
break;
case GremlinKeyword.func.FlatMap:
funcTableRef = new WFlatMapTableReference();
break;
case GremlinKeyword.func.Key:
funcTableRef = new WKeyTableReference();
break;
case GremlinKeyword.func.Local:
funcTableRef = new WLocalTableReference();
break;
case GremlinKeyword.func.OutV:
funcTableRef = new WBoundOutNodeTableReference();
break;
case GremlinKeyword.func.InV:
funcTableRef = new WBoundOutNodeTableReference();
break;
case GremlinKeyword.func.OtherV:
funcTableRef = new WBoundOutNodeTableReference();
break;
case GremlinKeyword.func.BothV:
funcTableRef = new WBoundBothNodeTableReference();
break;
case GremlinKeyword.func.Optional:
funcTableRef = new WOptionalTableReference();
break;
case GremlinKeyword.func.Properties:
funcTableRef = new WPropertiesTableReference();
break;
case GremlinKeyword.func.Repeat:
funcTableRef = new WRepeatTableReference();
break;
case GremlinKeyword.func.Value:
funcTableRef = new WValueTableReference();
break;
case GremlinKeyword.func.Values:
funcTableRef = new WValuesTableReference();
break;
case GremlinKeyword.func.Unfold:
funcTableRef = new WUnfoldTableReference();
break;
case GremlinKeyword.func.Union:
funcTableRef = new WUnionTableReference();
break;
case GremlinKeyword.func.Project:
funcTableRef = new WProjectTableReference();
break;
case GremlinKeyword.func.AddV:
funcTableRef = new WAddVTableReference();
break;
case GremlinKeyword.func.AddE:
funcTableRef = new WAddETableReference();
break;
case GremlinKeyword.func.SideEffect:
funcTableRef = new WSideEffectTableReference();
break;
case GremlinKeyword.func.Dedup:
funcTableRef = new WDedupTableReference();
break;
case GremlinKeyword.func.DropNode:
funcTableRef = new WDropNodeTableReference();
break;
case GremlinKeyword.func.DropEdge:
funcTableRef = new WDropEdgeTableReference();
break;
case GremlinKeyword.func.DropProperties:
funcTableRef = new WDropPropertiesTableReference();
break;
case GremlinKeyword.func.UpdateNodeProperties:
funcTableRef = new WUpdateNodePropertiesTableReference();
break;
case GremlinKeyword.func.UpdateEdgeProperties:
funcTableRef = new WUpdateEdgePropertiesTableReference();
break;
case GremlinKeyword.func.Inject:
funcTableRef = new WInjectTableReference();
break;
case GremlinKeyword.func.Path:
funcTableRef = new WPathTableReference();
break;
case GremlinKeyword.func.Expand:
funcTableRef = new WExpandTableReference();
break;
case GremlinKeyword.func.Map:
funcTableRef = new WMapTableReference();
break;
case GremlinKeyword.func.Group:
funcTableRef = new WGroupTableReference();
break;
case GremlinKeyword.func.Store:
funcTableRef = new WStoreTableReference();
break;
case GremlinKeyword.func.Aggregate:
funcTableRef = new WAggregateTableReference();
break;
case GremlinKeyword.func.Coin:
funcTableRef = new WCoinTableReference();
break;
case GremlinKeyword.func.CountLocal:
funcTableRef = new WCountLocalTableReference();
break;
case GremlinKeyword.func.MinLocal:
funcTableRef = new WMinLocalTableReference();
break;
case GremlinKeyword.func.MaxLocal:
funcTableRef = new WMaxLocalTableReference();
break;
case GremlinKeyword.func.MeanLocal:
funcTableRef = new WMeanLocalTableReference();
break;
case GremlinKeyword.func.SumLocal:
funcTableRef = new WSumLocalTableReference();
break;
default:
throw new NotImplementedException();
}
funcTableRef.SchemaObject = GetSchemaObjectName(functionName);
funcTableRef.Parameters = parameterList;
funcTableRef.Alias = GetIdentifier(alias);
funcTableRef.Low = gremlinvariable.Low;
funcTableRef.High = gremlinvariable.High;
funcTableRef.IsLocal = gremlinvariable.IsLocal;
funcTableRef.IsReverse = gremlinvariable.IsReverse;
return(funcTableRef);
}
internal static WSchemaObjectFunctionTableReference GetFunctionTableReference(string functionName,
List <WScalarExpression> parameterList, string alias = null)
{
WSchemaObjectFunctionTableReference funcTableRef;
switch (functionName)
{
case GremlinKeyword.func.Coalesce:
funcTableRef = new WCoalesceTableReference();
break;
case GremlinKeyword.func.Constant:
funcTableRef = new WConstantReference();
break;
case GremlinKeyword.func.OutE:
funcTableRef = new WBoundOutEdgeTableReference();
break;
case GremlinKeyword.func.InE:
funcTableRef = new WBoundInEdgeTableReference();
break;
case GremlinKeyword.func.BothE:
funcTableRef = new WBoundBothEdgeTableReference();
break;
case GremlinKeyword.func.FlatMap:
funcTableRef = new WFlatMapTableReference();
break;
case GremlinKeyword.func.Key:
funcTableRef = new WKeyTableReference();
break;
case GremlinKeyword.func.Local:
funcTableRef = new WLocalTableReference();
break;
case GremlinKeyword.func.EtoV:
funcTableRef = new WBoundOutNodeTableReference();
break;
case GremlinKeyword.func.BothV:
funcTableRef = new WBoundBothNodeTableReference();
break;
case GremlinKeyword.func.Optional:
funcTableRef = new WOptionalTableReference();
break;
case GremlinKeyword.func.Properties:
funcTableRef = new WPropertiesTableReference();
break;
case GremlinKeyword.func.AllProperties:
funcTableRef = new WAllPropertiesTableReference();
break;
case GremlinKeyword.func.Repeat:
funcTableRef = new WRepeatTableReference();
break;
case GremlinKeyword.func.Value:
funcTableRef = new WValueTableReference();
break;
case GremlinKeyword.func.Values:
funcTableRef = new WValuesTableReference();
break;
case GremlinKeyword.func.Unfold:
funcTableRef = new WUnfoldTableReference();
break;
case GremlinKeyword.func.Union:
funcTableRef = new WUnionTableReference();
break;
case GremlinKeyword.func.Project:
funcTableRef = new WProjectTableReference();
break;
case GremlinKeyword.func.AddV:
funcTableRef = new WAddVTableReference2();
break;
case GremlinKeyword.func.AddE:
funcTableRef = new WAddETableReference();
break;
case GremlinKeyword.func.SideEffect:
funcTableRef = new WSideEffectTableReference();
break;
case GremlinKeyword.func.DedupGlobal:
funcTableRef = new WDedupGlobalTableReference();
break;
case GremlinKeyword.func.DedupLocal:
funcTableRef = new WDedupLocalTableReference();
break;
case GremlinKeyword.func.Drop:
funcTableRef = new WDropTableReference();
break;
case GremlinKeyword.func.UpdateProperties:
funcTableRef = new WUpdatePropertiesTableReference();
break;
case GremlinKeyword.func.Inject:
funcTableRef = new WInjectTableReference();
break;
case GremlinKeyword.func.Path:
funcTableRef = new WPathTableReference();
break;
case GremlinKeyword.func.Expand:
funcTableRef = new WExpandTableReference();
break;
case GremlinKeyword.func.Map:
funcTableRef = new WMapTableReference();
break;
case GremlinKeyword.func.Group:
funcTableRef = new WGroupTableReference();
break;
case GremlinKeyword.func.Store:
funcTableRef = new WStoreTableReference();
break;
case GremlinKeyword.func.Aggregate:
funcTableRef = new WAggregateTableReference();
break;
case GremlinKeyword.func.Coin:
funcTableRef = new WCoinTableReference();
break;
case GremlinKeyword.func.CountLocal:
funcTableRef = new WCountLocalTableReference();
break;
case GremlinKeyword.func.MinLocal:
funcTableRef = new WMinLocalTableReference();
break;
case GremlinKeyword.func.MaxLocal:
funcTableRef = new WMaxLocalTableReference();
break;
case GremlinKeyword.func.MeanLocal:
funcTableRef = new WMeanLocalTableReference();
break;
case GremlinKeyword.func.SumLocal:
funcTableRef = new WSumLocalTableReference();
break;
case GremlinKeyword.func.OrderGlobal:
funcTableRef = new WOrderGlobalTableReference();
break;
case GremlinKeyword.func.OrderLocal:
funcTableRef = new WOrderLocalTableReference();
break;
case GremlinKeyword.func.Path2:
funcTableRef = new WPath2TableReference();
break;
case GremlinKeyword.func.Range:
funcTableRef = new WRangeTableReference();
break;
case GremlinKeyword.func.Decompose1:
funcTableRef = new WDecompose1TableReference();
break;
case GremlinKeyword.func.Tree:
funcTableRef = new WTreeTableReference();
break;
case GremlinKeyword.func.SimplePath:
funcTableRef = new WSimplePathTableReference();
break;
case GremlinKeyword.func.CyclicPath:
funcTableRef = new WCyclicPathTableReference();
break;
case GremlinKeyword.func.ValueMap:
funcTableRef = new WValueMapTableReference();
break;
case GremlinKeyword.func.PropertyMap:
funcTableRef = new WPropertyMapTableReference();
break;
case GremlinKeyword.func.SampleGlobal:
funcTableRef = new WSampleGlobalTableReference();
break;
case GremlinKeyword.func.SampleLocal:
funcTableRef = new WSampleLocalTableReference();
break;
case GremlinKeyword.func.Barrier:
funcTableRef = new WBarrierTableReference();
break;
default:
throw new NotImplementedException();
}
funcTableRef.SchemaObject = GetSchemaObjectName(functionName);
funcTableRef.Parameters = parameterList;
funcTableRef.Alias = GetIdentifier(alias);
return(funcTableRef);
}
