ApplyMutations performs the required edge expansions and forwards the results to the worker to perform the mutations.

AssignUids tries to assign unique ids to each identity in the subjects and objects in the format of _:xxx.

GetAllPredicates returns the list of all the unique predicates present in the list of subgraphs.

ProcessGraph processes the SubGraph instance accumulating result for the query from different instances.

StripBlankNode returns a copy of the map where all the keys have the blank node prefix removed.

ToDirectedEdges converts the gql.Mutation input into a set of directed edges.

ToJson converts the list of subgraph into a JSON response by calling toFastJSON.

ToSubGraph converts the GraphQuery into the pb.SubGraph instance type.

UidsToHex converts the new UIDs to hex string.

DebugKey is the key used to toggle debug mode.

ErrEmptyVal is returned when a value is empty.

ErrWrongAgg is returned when value aggregation is attempted in the root level of a query.

ExecutionResult holds the result of running a query.

Extensions represents the extra information appended to query results.

Function holds the information about gql functions.

Latency is used to keep track of the latency involved in parsing and processing the query.

Request wraps the state that is used when executing query.

SubGraph is the way to represent data.

ContextKey is used to set options in the context object.