Modifier and Type	Class and Description
private static class	WindowFrame.BiItr
private static class	WindowFrame.BiReverseItr
private abstract static class	WindowFrame.Itr
private static class	WindowFrame.PlainItr
private static class	WindowFrame.PlainReverseItr
private static class	WindowFrame.TriItr
private static class	WindowFrame.TriReverseItr

Modifier and Type	Field and Description
private final WindowFrameExclusion	exclusion
private final WindowFrameBound	following
private final WindowFrameBound	starting
private final WindowFrameUnits	units

Access	Constructor and Description
public	WindowFrame(WindowFrameUnits units units, WindowFrameBound starting clause starting, WindowFrameBound following clause following, WindowFrameExclusion exclusion clause exclusion) Creates new instance of window frame clause.

Method Summary

Modifier and Type	Method and Description
private static Iterator<Value[]>	biIterator(ArrayList<Value[]> orderedRows, int startIndex1, int endIndex1, int startIndex2, int endIndex2, boolean reverse)
private Iterator<Value[]>	complexIterator(ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, int startIndex, int endIndex, boolean reverse)
private static Value[]	Returns: row for comparison operations, or null if result is out of range and should be treated as UNLIMITED getCompareRow(SessionLocal the session session, ArrayList<Value[]> rows in partition orderedRows, SortOrder the sort order sortOrder, int index of the current row currentRow, WindowFrameBound window frame bound bound, boolean false for PRECEDING, true for FOLLOWING add) Appends bound value to the current row and produces row for comparison operations.
public static int	Returns: end index getEndIndex(Window window over, SessionLocal the session session, ArrayList<Value[]> ordered rows orderedRows, SortOrder sort order sortOrder, int index of the current row currentRow) Returns end index for the specified frame, or default end index if frame is null.
private int	Returns: end index getEndIndex(SessionLocal the session session, ArrayList<Value[]> ordered rows orderedRows, SortOrder sort order sortOrder, int index of the current row currentRow) Returns end index of this frame,
public WindowFrameExclusion	Returns: the exclusion clause getExclusion() Returns the exclusion clause.
public WindowFrameBound	Returns: the following clause, or null getFollowing() Returns the following clause.
private int	Returns: starting or ending index of a window frame (inclusive), can be 0 or be equal to the number of rows if frame is not limited from that side getIndex(SessionLocal the session session, ArrayList<Value[]> rows in partition orderedRows, SortOrder the sort order sortOrder, int index of the current row currentRow, WindowFrameBound window frame bound bound, boolean false for start index, true for end index forFollowing) Returns starting or ending index of a window frame.
private static int	getIntOffset(WindowFrameBound bound, Value[] values, SessionLocal session)
public StringBuilder	Returns: the specified string builder getSQL(StringBuilder string builder builder, int quote all identifiers formattingFlags) Append SQL representation to the specified builder.
public int	Returns: start index getStartIndex(SessionLocal the session session, ArrayList<Value[]> ordered rows orderedRows, SortOrder sort order sortOrder, int index of the current row currentRow) Returns start index of this frame,
public WindowFrameBound	Returns: the starting clause getStarting() Returns the starting clause.
public WindowFrameUnits	Returns: the units getUnits() Returns the units.
private static Value	getValueOffset(WindowFrameBound bound, Value[] values, SessionLocal session)
public boolean	Returns: whether bounds of this frame valid isValid() Checks validity of this frame.
public boolean	Returns: if bounds of this frame has variable expressions isVariableBounds() Check if bounds of this frame has variable expressions.
public static Iterator<Value[]>	Returns: iterator iterator(Window window over, SessionLocal the session session, ArrayList<Value[]> ordered rows orderedRows, SortOrder sort order sortOrder, int index of the current row currentRow, boolean whether iterator should iterate in reverse order reverse) Returns iterator for the specified frame, or default iterator if frame is null.
public Iterator<Value[]>	Returns: iterator iterator(SessionLocal the session session, ArrayList<Value[]> ordered rows orderedRows, SortOrder sort order sortOrder, int index of the current row currentRow, boolean whether iterator should iterate in reverse order reverse) Returns iterator.
pack-priv void	mapColumns(ColumnResolver the column resolver resolver, int the subquery nesting level level, int current state for nesting checks state) Map the columns of the resolver to expression columns.
pack-priv void	optimize(SessionLocal the session session) Try to optimize bound expressions.
private static Iterator<Value[]>	plainIterator(ArrayList<Value[]> orderedRows, int startIndex, int endIndex, boolean reverse)
private static int	toGroupEnd(ArrayList<Value[]> orderedRows, SortOrder sortOrder, int offset, int maxOffset)
private static int	toGroupStart(ArrayList<Value[]> orderedRows, SortOrder sortOrder, int offset, int minOffset)
private static Iterator<Value[]>	triIterator(ArrayList<Value[]> orderedRows, int startIndex1, int endIndex1, int startIndex2, int endIndex2, int startIndex3, int endIndex3, boolean reverse)
pack-priv void	updateAggregate(SessionLocal the session session, int select stage stage) Update an aggregate value.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

exclusion	back to summary
private final WindowFrameExclusion exclusion

following	back to summary
private final WindowFrameBound following

starting	back to summary
private final WindowFrameBound starting

units	back to summary
private final WindowFrameUnits units

Constructor Detail

WindowFrame	back to summary
public WindowFrame(WindowFrameUnits units, WindowFrameBound starting, WindowFrameBound following, WindowFrameExclusion exclusion) Creates new instance of window frame clause. Parameters units:WindowFrameUnits units starting:WindowFrameBound starting clause following:WindowFrameBound following clause exclusion:WindowFrameExclusion exclusion clause

WindowFrame

back to summary

public WindowFrame(WindowFrameUnits units, WindowFrameBound starting, WindowFrameBound following, WindowFrameExclusion exclusion)

Creates new instance of window frame clause.

Parameters

units:WindowFrameUnits: units
starting:WindowFrameBound: starting clause
following:WindowFrameBound: following clause
exclusion:WindowFrameExclusion: exclusion clause

Method Detail

biIterator	back to summary
private static Iterator<Value[]> biIterator(ArrayList<Value[]> orderedRows, int startIndex1, int endIndex1, int startIndex2, int endIndex2, boolean reverse)

complexIterator	back to summary
private Iterator<Value[]> complexIterator(ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, int startIndex, int endIndex, boolean reverse)

getCompareRow	back to summary
private static Value[] getCompareRow(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, WindowFrameBound bound, boolean add) Appends bound value to the current row and produces row for comparison operations. Parameters session:SessionLocal the session orderedRows:ArrayList<Value[]> rows in partition sortOrder:SortOrder the sort order currentRow:int index of the current row bound:WindowFrameBound window frame bound add:boolean false for PRECEDING, true for FOLLOWING Returns:Value[] row for comparison operations, or null if result is out of range and should be treated as UNLIMITED

getCompareRow

back to summary

private static Value[] getCompareRow(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, WindowFrameBound bound, boolean add)

Appends bound value to the current row and produces row for comparison operations.

Parameters

session:SessionLocal: the session
orderedRows:ArrayList<Value[]>: rows in partition
sortOrder:SortOrder: the sort order
currentRow:int: index of the current row
bound:WindowFrameBound: window frame bound
add:boolean: false for PRECEDING, true for FOLLOWING

Returns:Value[]

row for comparison operations, or null if result is out of range and should be treated as UNLIMITED

getEndIndex	back to summary
public static int getEndIndex(Window over, SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow) Returns end index for the specified frame, or default end index if frame is null. Parameters over:Window window session:SessionLocal the session orderedRows:ArrayList<Value[]> ordered rows sortOrder:SortOrder sort order currentRow:int index of the current row Returns:int end index Exceptions UnsupportedOperationException: if over is not null and its exclusion clause is not EXCLUDE NO OTHERS

getEndIndex

back to summary

public static int getEndIndex(Window over, SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow)

Returns end index for the specified frame, or default end index if frame is null.

Parameters

over:Window: window
session:SessionLocal: the session
orderedRows:ArrayList<Value[]>: ordered rows
sortOrder:SortOrder: sort order
currentRow:int: index of the current row

Returns:int

end index

Exceptions

UnsupportedOperationException:: if over is not null and its exclusion clause is not EXCLUDE NO OTHERS

getEndIndex	back to summary
private int getEndIndex(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow) Returns end index of this frame, Parameters session:SessionLocal the session orderedRows:ArrayList<Value[]> ordered rows sortOrder:SortOrder sort order currentRow:int index of the current row Returns:int end index Exceptions UnsupportedOperationException: if exclusion clause is not EXCLUDE NO OTHERS

getEndIndex

back to summary

private int getEndIndex(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow)

Returns end index of this frame,

Parameters

session:SessionLocal: the session
orderedRows:ArrayList<Value[]>: ordered rows
sortOrder:SortOrder: sort order
currentRow:int: index of the current row

Returns:int

end index

Exceptions

UnsupportedOperationException:: if exclusion clause is not EXCLUDE NO OTHERS

getExclusion	back to summary
public WindowFrameExclusion getExclusion() Returns the exclusion clause. Returns:WindowFrameExclusion the exclusion clause

getExclusion

back to summary

public WindowFrameExclusion getExclusion()

Returns the exclusion clause.

Returns:WindowFrameExclusion: the exclusion clause

getFollowing	back to summary
public WindowFrameBound getFollowing() Returns the following clause. Returns:WindowFrameBound the following clause, or null

getFollowing

back to summary

public WindowFrameBound getFollowing()

Returns the following clause.

Returns:WindowFrameBound: the following clause, or null

getIndex	back to summary
private int getIndex(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, WindowFrameBound bound, boolean forFollowing) Returns starting or ending index of a window frame. Parameters session:SessionLocal the session orderedRows:ArrayList<Value[]> rows in partition sortOrder:SortOrder the sort order currentRow:int index of the current row bound:WindowFrameBound window frame bound forFollowing:boolean false for start index, true for end index Returns:int starting or ending index of a window frame (inclusive), can be 0 or be equal to the number of rows if frame is not limited from that side

getIndex

back to summary

private int getIndex(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, WindowFrameBound bound, boolean forFollowing)

Returns starting or ending index of a window frame.

Parameters

session:SessionLocal: the session
orderedRows:ArrayList<Value[]>: rows in partition
sortOrder:SortOrder: the sort order
currentRow:int: index of the current row
bound:WindowFrameBound: window frame bound
forFollowing:boolean: false for start index, true for end index

Returns:int

starting or ending index of a window frame (inclusive), can be 0 or be equal to the number of rows if frame is not limited from that side

getIntOffset	back to summary
private static int getIntOffset(WindowFrameBound bound, Value[] values, SessionLocal session)

getSQL back to summary

getSQL	back to summary
public StringBuilder getSQL(StringBuilder builder, int formattingFlags) Append SQL representation to the specified builder. Parameters builder:StringBuilder string builder formattingFlags:int quote all identifiers Returns:StringBuilder the specified string builder See Also `org.h2.expression.Expression#getSQL(StringBuilder, int, int)`

public StringBuilder getSQL(StringBuilder builder, int formattingFlags)

Append SQL representation to the specified builder.

Parameters

builder:StringBuilder: string builder
formattingFlags:int: quote all identifiers

Returns:StringBuilder

the specified string builder

getStartIndex	back to summary
public int getStartIndex(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow) Returns start index of this frame, Parameters session:SessionLocal the session orderedRows:ArrayList<Value[]> ordered rows sortOrder:SortOrder sort order currentRow:int index of the current row Returns:int start index Exceptions UnsupportedOperationException: if exclusion clause is not EXCLUDE NO OTHERS

getStartIndex

back to summary

public int getStartIndex(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow)

Returns start index of this frame,

Parameters

session:SessionLocal: the session
orderedRows:ArrayList<Value[]>: ordered rows
sortOrder:SortOrder: sort order
currentRow:int: index of the current row

Returns:int

start index

Exceptions

UnsupportedOperationException:: if exclusion clause is not EXCLUDE NO OTHERS

getStarting	back to summary
public WindowFrameBound getStarting() Returns the starting clause. Returns:WindowFrameBound the starting clause

getStarting

back to summary

public WindowFrameBound getStarting()

Returns the starting clause.

Returns:WindowFrameBound: the starting clause

getUnits	back to summary
public WindowFrameUnits getUnits() Returns the units. Returns:WindowFrameUnits the units

getUnits

back to summary

public WindowFrameUnits getUnits()

Returns the units.

Returns:WindowFrameUnits: the units

getValueOffset	back to summary
private static Value getValueOffset(WindowFrameBound bound, Value[] values, SessionLocal session)

isValid	back to summary
public boolean isValid() Checks validity of this frame. Returns:boolean whether bounds of this frame valid

isValid

back to summary

public boolean isValid()

Checks validity of this frame.

Returns:boolean: whether bounds of this frame valid

isVariableBounds back to summary

isVariableBounds	back to summary
public boolean isVariableBounds() Check if bounds of this frame has variable expressions. This method may be used only after `optimize(SessionLocal)` invocation. Returns:boolean if bounds of this frame has variable expressions

public boolean isVariableBounds()

Check if bounds of this frame has variable expressions. This method may be used only after optimize(SessionLocal) invocation.

Returns:boolean: if bounds of this frame has variable expressions

iterator	back to summary
public static Iterator<Value[]> iterator(Window over, SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, boolean reverse) Returns iterator for the specified frame, or default iterator if frame is null. Parameters over:Window window session:SessionLocal the session orderedRows:ArrayList<Value[]> ordered rows sortOrder:SortOrder sort order currentRow:int index of the current row reverse:boolean whether iterator should iterate in reverse order Returns:Iterator<Value[]> iterator

iterator

back to summary

public static Iterator<Value[]> iterator(Window over, SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, boolean reverse)

Returns iterator for the specified frame, or default iterator if frame is null.

Parameters

over:Window: window
session:SessionLocal: the session
orderedRows:ArrayList<Value[]>: ordered rows
sortOrder:SortOrder: sort order
currentRow:int: index of the current row
reverse:boolean: whether iterator should iterate in reverse order

Returns:Iterator<Value[]>

iterator

iterator	back to summary
public Iterator<Value[]> iterator(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, boolean reverse) Returns iterator. Parameters session:SessionLocal the session orderedRows:ArrayList<Value[]> ordered rows sortOrder:SortOrder sort order currentRow:int index of the current row reverse:boolean whether iterator should iterate in reverse order Returns:Iterator<Value[]> iterator

back to summary

public Iterator<Value[]> iterator(SessionLocal session, ArrayList<Value[]> orderedRows, SortOrder sortOrder, int currentRow, boolean reverse)

Returns iterator.

Parameters

session:SessionLocal: the session
orderedRows:ArrayList<Value[]>: ordered rows
sortOrder:SortOrder: sort order
currentRow:int: index of the current row
reverse:boolean: whether iterator should iterate in reverse order

Returns:Iterator<Value[]>

iterator

mapColumns	back to summary
pack-priv void mapColumns(ColumnResolver resolver, int level, int state) Map the columns of the resolver to expression columns. Parameters resolver:ColumnResolver the column resolver level:int the subquery nesting level state:int current state for nesting checks

mapColumns

back to summary

pack-priv void mapColumns(ColumnResolver resolver, int level, int state)

Map the columns of the resolver to expression columns.

Parameters

resolver:ColumnResolver: the column resolver
level:int: the subquery nesting level
state:int: current state for nesting checks

optimize	back to summary
pack-priv void optimize(SessionLocal session) Try to optimize bound expressions. Parameters session:SessionLocal the session

optimize

back to summary

pack-priv void optimize(SessionLocal session)

Try to optimize bound expressions.

Parameters

session:SessionLocal: the session

plainIterator	back to summary
private static Iterator<Value[]> plainIterator(ArrayList<Value[]> orderedRows, int startIndex, int endIndex, boolean reverse)

toGroupEnd	back to summary
private static int toGroupEnd(ArrayList<Value[]> orderedRows, SortOrder sortOrder, int offset, int maxOffset)

toGroupStart	back to summary
private static int toGroupStart(ArrayList<Value[]> orderedRows, SortOrder sortOrder, int offset, int minOffset)

triIterator	back to summary
private static Iterator<Value[]> triIterator(ArrayList<Value[]> orderedRows, int startIndex1, int endIndex1, int startIndex2, int endIndex2, int startIndex3, int endIndex3, boolean reverse)

updateAggregate back to summary

updateAggregate	back to summary
pack-priv void updateAggregate(SessionLocal session, int stage) Update an aggregate value. Parameters session:SessionLocal the session stage:int select stage See Also `Expression#updateAggregate(SessionLocal, int)`

pack-priv void updateAggregate(SessionLocal session, int stage)

Update an aggregate value.

Parameters

session:SessionLocal: the session
stage:int: select stage

org.h2.expression.analysis back to summary

private Class WindowFrame.BiItr

Class Inheritance

extends PlainItr

java.lang.Object
org.h2.expression.analysis.WindowFrame.Itr
org.h2.expression.analysis.WindowFrame.PlainItr
org.h2.expression.analysis.WindowFrame.BiItr

Known Direct Subclasses

org.h2.expression.analysis.WindowFrame.TriItr

Field Summary

Modifier and Type	Field and Description
pack-priv final int	end1
pack-priv final int	start1

Inherited from org.h2.expression.analysis.WindowFrame.PlainItr:: endIndex

Constructor Summary

Access	Constructor and Description
pack-priv	BiItr(ArrayList<Value[]> orderedRows, int startIndex1, int endIndex1, int startIndex2, int endIndex2)

Method Summary

Modifier and Type	Method and Description
public Value[]	next() Overrides org.h2.expression.analysis.WindowFrame.PlainItr.next. Implements java.util.Iterator.next. Returns the next element in the iteration.

Inherited from org.h2.expression.analysis.WindowFrame.PlainItr:: hasNext

Field Detail

end1	back to summary
pack-priv final int end1

start1	back to summary
pack-priv final int start1

Constructor Detail

BiItr	back to summary
pack-priv BiItr(ArrayList<Value[]> orderedRows, int startIndex1, int endIndex1, int startIndex2, int endIndex2)

Method Detail

next	back to summary
public Value[] next() Overrides org.h2.expression.analysis.WindowFrame.PlainItr.next. Implements java.util.Iterator.next. Doc from java.util.Iterator.next. Returns the next element in the iteration. Returns:Value[] the next element in the iteration Annotations @Override

back to summary

public Value[] next()

Overrides org.h2.expression.analysis.WindowFrame.PlainItr.next.

Implements java.util.Iterator.next.

Doc from java.util.Iterator.next.

Returns the next element in the iteration.

Returns:Value[]

the next element in the iteration

Annotations

@Override

org.h2.expression.analysis back to summary

private Class WindowFrame.BiReverseItr

Class Inheritance

extends PlainReverseItr

java.lang.Object
org.h2.expression.analysis.WindowFrame.Itr
org.h2.expression.analysis.WindowFrame.PlainReverseItr
org.h2.expression.analysis.WindowFrame.BiReverseItr

Known Direct Subclasses

org.h2.expression.analysis.WindowFrame.TriReverseItr

Field Summary

Modifier and Type	Field and Description
pack-priv final int	end1
pack-priv final int	start1

Inherited from org.h2.expression.analysis.WindowFrame.PlainReverseItr:: startIndex

Constructor Summary

Access	Constructor and Description
pack-priv	BiReverseItr(ArrayList<Value[]> orderedRows, int startIndex1, int endIndex1, int startIndex2, int endIndex2)

Method Summary

Modifier and Type	Method and Description
public Value[]	next() Overrides org.h2.expression.analysis.WindowFrame.PlainReverseItr.next. Implements java.util.Iterator.next. Returns the next element in the iteration.

Inherited from org.h2.expression.analysis.WindowFrame.PlainReverseItr:: hasNext

Field Detail

end1	back to summary
pack-priv final int end1

start1	back to summary
pack-priv final int start1

Constructor Detail

BiReverseItr	back to summary
pack-priv BiReverseItr(ArrayList<Value[]> orderedRows, int startIndex1, int endIndex1, int startIndex2, int endIndex2)

Method Detail

next	back to summary
public Value[] next() Overrides org.h2.expression.analysis.WindowFrame.PlainReverseItr.next. Implements java.util.Iterator.next. Doc from java.util.Iterator.next. Returns the next element in the iteration. Returns:Value[] the next element in the iteration Annotations @Override

back to summary

public Value[] next()

Overrides org.h2.expression.analysis.WindowFrame.PlainReverseItr.next.

Implements java.util.Iterator.next.

Doc from java.util.Iterator.next.

Returns the next element in the iteration.

Returns:Value[]

the next element in the iteration

Annotations

@Override

org.h2.expression.analysis back to summary

private abstract Class WindowFrame.Itr

Class Inheritance

extends Object
implements Iterator<Value[]>

java.lang.Object
org.h2.expression.analysis.WindowFrame.Itr

All Implemented Interfaces

java.util.Iterator

Known Direct Subclasses

org.h2.expression.analysis.WindowFrame.PlainItr, org.h2.expression.analysis.WindowFrame.PlainReverseItr

Field Summary

Modifier and Type	Field and Description
pack-priv int	cursor
pack-priv final ArrayList<Value[]>	orderedRows

Constructor Summary

Access	Constructor and Description
pack-priv	Itr(ArrayList<Value[]> orderedRows)

Method Summary

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

cursor	back to summary
pack-priv int cursor

orderedRows	back to summary
pack-priv final ArrayList<Value[]> orderedRows

Constructor Detail

Itr	back to summary
pack-priv Itr(ArrayList<Value[]> orderedRows)

org.h2.expression.analysis back to summary

private Class WindowFrame.PlainItr

Class Inheritance

extends Itr

java.lang.Object
org.h2.expression.analysis.WindowFrame.Itr
org.h2.expression.analysis.WindowFrame.PlainItr

Known Direct Subclasses

org.h2.expression.analysis.WindowFrame.BiItr

Field Summary

Modifier and Type	Field and Description
pack-priv final int	endIndex

Inherited from org.h2.expression.analysis.WindowFrame.Itr:: cursor orderedRows

Constructor Summary

Access	Constructor and Description
pack-priv	PlainItr(ArrayList<Value[]> orderedRows, int startIndex, int endIndex)

Method Summary

Modifier and Type	Method and Description
public boolean	hasNext() Implements java.util.Iterator.hasNext. Returns `true` if the iteration has more elements.
public Value[]	next() Implements java.util.Iterator.next. Returns the next element in the iteration.

Field Detail

endIndex	back to summary
pack-priv final int endIndex

Constructor Detail

PlainItr	back to summary
pack-priv PlainItr(ArrayList<Value[]> orderedRows, int startIndex, int endIndex)

Method Detail

hasNext back to summary

public boolean hasNext()

Implements java.util.Iterator.hasNext.

Doc from java.util.Iterator.hasNext.

Returns true if the iteration has more elements. (In other words, returns true if next would return an element rather than throwing an exception.)

Returns:boolean

true if the iteration has more elements

Annotations

@Override

back to summary

public Value[] next()

Implements java.util.Iterator.next.

Doc from java.util.Iterator.next.

Returns the next element in the iteration.

Returns:Value[]

the next element in the iteration

Annotations

@Override

org.h2.expression.analysis back to summary

private Class WindowFrame.PlainReverseItr

Class Inheritance

extends Itr

java.lang.Object
org.h2.expression.analysis.WindowFrame.Itr
org.h2.expression.analysis.WindowFrame.PlainReverseItr

Known Direct Subclasses

org.h2.expression.analysis.WindowFrame.BiReverseItr

Field Summary

Modifier and Type	Field and Description
pack-priv final int	startIndex

Inherited from org.h2.expression.analysis.WindowFrame.Itr:: cursor orderedRows

Constructor Summary

Access	Constructor and Description
pack-priv	PlainReverseItr(ArrayList<Value[]> orderedRows, int startIndex, int endIndex)

Method Summary

Modifier and Type	Method and Description
public boolean	hasNext() Implements java.util.Iterator.hasNext. Returns `true` if the iteration has more elements.
public Value[]	next() Implements java.util.Iterator.next. Returns the next element in the iteration.

Field Detail

startIndex	back to summary
pack-priv final int startIndex

Constructor Detail

PlainReverseItr	back to summary
pack-priv PlainReverseItr(ArrayList<Value[]> orderedRows, int startIndex, int endIndex)

Method Detail

hasNext back to summary

public boolean hasNext()

Implements java.util.Iterator.hasNext.

Doc from java.util.Iterator.hasNext.

Returns true if the iteration has more elements. (In other words, returns true if next would return an element rather than throwing an exception.)

Returns:boolean

true if the iteration has more elements

Annotations

@Override

back to summary

public Value[] next()

Implements java.util.Iterator.next.

Doc from java.util.Iterator.next.

Returns the next element in the iteration.

Returns:Value[]

the next element in the iteration

Annotations

@Override

Modifier and Type	Field and Description
private final int	end2
private final int	start2

Modifier and Type	Field and Description
private final int	end2
private final int	start2

public final Class WindowFrame

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class WindowFrame.BiItr

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class WindowFrame.BiReverseItr

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private abstract Class WindowFrame.Itr

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

private Class WindowFrame.PlainItr

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class WindowFrame.PlainReverseItr

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private final Class WindowFrame.TriItr

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private final Class WindowFrame.TriReverseItr

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail