Package org.apache.cassandra.cql3.functions

Interface Summary

Interface	Description
AggregateFunction	Performs a calculation on a set of values and return a single value.
AggregateFunction.Aggregate	An aggregation operation.
ArgumentDeserializer	Utility used to deserialize function arguments.
Arguments	The input arguments to a function.
Function
FunctionParameter	Generic, loose definition of a function parameter, able to infer the specific data type of the parameter in the function specifically built by a FunctionFactory for a particular function call.
PartialScalarFunction	A partial application of a function.
ScalarFunction	Determines a single output value based on any number of input values.
UDFContext	Provides context information for a particular user defined function.

Class Summary

Class	Description
AbstractFunction	Base class for our native/hardcoded functions.
AggregateFcts	Factory methods for aggregate functions.
AggregateFcts.CountRowsFunction
BytesConversionFcts
BytesConversionFcts.FromBlobFunction
BytesConversionFcts.ToBlobFunction
CastFcts	Casting functions
CollectionFcts	Native CQL functions for collections (sets, list and maps).
FromJsonFct
FunctionArguments	Default Arguments implementation.
FunctionCall
FunctionCall.Raw
FunctionFactory	Class for dynamically building different overloads of a CQL Function according to specific function calls.
FunctionName
FunctionResolver
JavaBasedUDFunction
JavaUDF	Base class for all Java UDFs.
MathFcts
NativeAggregateFunction	Base class for the AggregateFunction native classes.
NativeFunction	Base class for our native/hardcoded functions.
NativeFunctions	A container of native functions.
NativeScalarFunction	Base class for the ScalarFunction native classes.
OperationFcts	Operation functions (Mathematics).
TimeFcts
TimeFcts.FloorDateFunction	Function that rounds a date down to the closest multiple of a duration.
TimeFcts.FloorTimestampFunction	Function that rounds a timestamp down to the closest multiple of a duration.
TimeFcts.FloorTimeUuidFunction	Function that rounds a timeUUID down to the closest multiple of a duration.
TimeFcts.TemporalConversionFunction
ToJsonFct
TokenFct
UDAggregate	Base class for user-defined-aggregates.
UDFByteCodeVerifier	Verifies Java UDF byte code.
UDFContextImpl	Package private implementation of UDFContext
UDFDataType	Represents a data type used within the UDF/UDA.
UDFunction	Base class for User Defined Functions.
UserFunction	A non-native, user-defined function, like UDFs and UDAs.
UuidFcts
VectorFcts