Package io.trino.operator

Class WindowFunctionDefinition

java.lang.Object

io.trino.operator.WindowFunctionDefinition

public class WindowFunctionDefinition
extends Object

Method Summary

Modifier and Type	Method	Description
WindowFunction	createWindowFunction()
Optional<FrameInfo>	getFrameInfo()
Type	getType()
static WindowFunctionDefinition	window(WindowFunctionSupplier functionSupplier, Type type, boolean ignoreNulls, List<Supplier<Object>> lambdaProviders, List<Integer> inputs)	Create a WindowFunctionDefinition without the FrameInfo.
static WindowFunctionDefinition	window(WindowFunctionSupplier functionSupplier, Type type, FrameInfo frameInfo, boolean ignoreNulls, List<Supplier<Object>> lambdaProviders, Integer... inputs)
static WindowFunctionDefinition	window(WindowFunctionSupplier functionSupplier, Type type, FrameInfo frameInfo, boolean ignoreNulls, List<Supplier<Object>> lambdaProviders, List<Integer> inputs)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

window

public static WindowFunctionDefinition window(WindowFunctionSupplier functionSupplier,
 Type type,
 FrameInfo frameInfo,
 boolean ignoreNulls,
 List<Supplier<Object>> lambdaProviders,
 List<Integer> inputs)

window

public static WindowFunctionDefinition window(WindowFunctionSupplier functionSupplier,
 Type type,
 FrameInfo frameInfo,
 boolean ignoreNulls,
 List<Supplier<Object>> lambdaProviders,
 Integer... inputs)

window

public static WindowFunctionDefinition window(WindowFunctionSupplier functionSupplier,
 Type type,
 boolean ignoreNulls,
 List<Supplier<Object>> lambdaProviders,
 List<Integer> inputs)

Create a WindowFunctionDefinition without the FrameInfo. This method is used for window functions in pattern recognition context. The corresponding FrameInfo is common to all window functions, and it is a property of PatternRecognitionPartition.

getFrameInfo

public Optional<FrameInfo> getFrameInfo()

getType

public Type getType()

createWindowFunction

public WindowFunction createWindowFunction()