Package org.h2.command.query

Class Select.LazyResultSelect

java.lang.Object

org.h2.result.FetchedResult

org.h2.result.LazyResult

org.h2.command.query.Select.LazyResultSelect

All Implemented Interfaces:

AutoCloseable, ResultInterface

Direct Known Subclasses:

Select.LazyResultGroupSorted, Select.LazyResultQueryFlat

Enclosing class:

Select

private abstract class Select.LazyResultSelect
extends LazyResult

Lazy execution for this select.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	columnCount
(package private) long	rowNumber

Constructor Summary

Constructors

Constructor	Description
LazyResultSelect(Expression[] expressions, int columnCount)

Method Summary

Modifier and Type	Method	Description
final int	getVisibleColumnCount()	Get the number of visible columns.
void	reset()	Go to the beginning of the result, that means before the first row.

Methods inherited from class org.h2.result.LazyResult

close, fetchNextRow, getAlias, getColumnName, getColumnType, getFetchSize, getNullable, getRowCount, getSchemaName, getTableName, hasNext, isClosed, isIdentity, isLazy, setFetchSize, setLimit, skip, skipNextRow

Methods inherited from class org.h2.result.FetchedResult

createShallowCopy, currentRow, getRowId, isAfterLast, needToClose, next

Methods inherited from class java.lang.Object

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

Field Details

rowNumber

long rowNumber

columnCount

int columnCount

Constructor Details

LazyResultSelect

LazyResultSelect(Expression[] expressions,
 int columnCount)

Method Details

getVisibleColumnCount

public final int getVisibleColumnCount()

Description copied from interface: ResultInterface

Get the number of visible columns. More columns may exist internally for sorting or grouping.

Returns:

the number of columns

reset

public void reset()

Description copied from interface: ResultInterface

Go to the beginning of the result, that means before the first row.

Specified by:

reset in interface ResultInterface

Overrides:

reset in class LazyResult