Package com.blazebit.persistence

Interface WindowFrameBuilder<T>

Type Parameters:

T - The builder return type

public interface WindowFrameBuilder<T>

An interface for building a window frame clause for analytics functions.

Since:

1.4.0

Author:

Christian Beikov

Method Summary

Modifier and Type	Method	Description
WindowFrameBetweenBuilder<T>	betweenCurrentRow()	Uses CURRENT ROW as lower bound for the frame and starts a frame between builder for the upper bound.
WindowFrameBetweenBuilder<T>	betweenFollowing(String expression)	Uses expression FOLLOWING as lower bound for the frame and starts a frame between builder for the upper bound.
WindowFrameBetweenBuilder<T>	betweenPreceding(String expression)	Uses expression PRECEDING as lower bound for the frame and starts a frame between builder for the upper bound.
WindowFrameBetweenBuilder<T>	betweenUnboundedPreceding()	Uses UNBOUNDED PRECEDING as lower bound for the frame and starts a frame between builder for the upper bound.
WindowFrameExclusionBuilder<T>	currentRow()	Uses CURRENT ROW as lower bound and continues to the frame exclusion builder.
WindowFrameExclusionBuilder<T>	preceding(String expression)	Uses X PRECEDING as lower bound and continues to the frame exclusion builder.
WindowFrameExclusionBuilder<T>	unboundedPreceding()	Uses UNBOUNDED PRECEDING as lower bound and continues to the frame exclusion builder.

Method Detail

betweenUnboundedPreceding

WindowFrameBetweenBuilder<T> betweenUnboundedPreceding()

Uses UNBOUNDED PRECEDING as lower bound for the frame and starts a frame between builder for the upper bound.

Returns:

The frame between builder

betweenPreceding

WindowFrameBetweenBuilder<T> betweenPreceding(String expression)

Uses expression PRECEDING as lower bound for the frame and starts a frame between builder for the upper bound.

Parameters:

expression - The expression for the frame bound

Returns:

The frame between builder

betweenFollowing

WindowFrameBetweenBuilder<T> betweenFollowing(String expression)

Uses expression FOLLOWING as lower bound for the frame and starts a frame between builder for the upper bound.

Parameters:

expression - The expression for the frame bound

Returns:

The frame between builder

betweenCurrentRow

WindowFrameBetweenBuilder<T> betweenCurrentRow()

Uses CURRENT ROW as lower bound for the frame and starts a frame between builder for the upper bound.

Returns:

The frame between builder

unboundedPreceding

WindowFrameExclusionBuilder<T> unboundedPreceding()

Uses UNBOUNDED PRECEDING as lower bound and continues to the frame exclusion builder.

Returns:

The frame exclusion builder

preceding

WindowFrameExclusionBuilder<T> preceding(String expression)

Uses X PRECEDING as lower bound and continues to the frame exclusion builder.

Parameters:

expression - The expression for the frame bound

Returns:

The frame exclusion builder

currentRow

WindowFrameExclusionBuilder<T> currentRow()

Uses CURRENT ROW as lower bound and continues to the frame exclusion builder.

Returns:

The frame exclusion builder