org.h2.result

类 FetchedResult

java.lang.Object

org.h2.result.FetchedResult

所有已实现的接口:

AutoCloseable, ResultInterface

直接已知子类:

LazyResult, ResultRemote

public abstract class FetchedResult
extends Object
implements ResultInterface

Abstract fetched result.

方法概要

限定符和类型	方法和说明
ResultInterface	createShallowCopy(Session targetSession) Create a shallow copy of the result set.
Value[]	currentRow() Get the current row.
long	getRowId() Get the current row id, starting with 0
boolean	isAfterLast() Check if the current position is after last row.
boolean	needToClose() Check if this result set should be closed, for example because it is buffered using a temporary file.
boolean	next() Go to the next row.

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.h2.result.ResultInterface

close, getAlias, getColumnName, getColumnType, getFetchSize, getNullable, getRowCount, getSchemaName, getTableName, getVisibleColumnCount, hasNext, isClosed, isIdentity, isLazy, reset, setFetchSize

方法详细资料

currentRow

public final Value[] currentRow()

从接口复制的说明: ResultInterface

Get the current row.

指定者:

currentRow 在接口中 ResultInterface

返回:

the row

next

public final boolean next()

从接口复制的说明: ResultInterface

Go to the next row.

指定者:

next 在接口中 ResultInterface

返回:

true if a row exists

isAfterLast

public final boolean isAfterLast()

从接口复制的说明: ResultInterface

Check if the current position is after last row.

指定者:

isAfterLast 在接口中 ResultInterface

返回:

true if after last

getRowId

public final long getRowId()

从接口复制的说明: ResultInterface

Get the current row id, starting with 0. -1 is returned when next() was not called yet.

指定者:

getRowId 在接口中 ResultInterface

返回:

the row id

needToClose

public final boolean needToClose()

从接口复制的说明: ResultInterface

Check if this result set should be closed, for example because it is buffered using a temporary file.

指定者:

needToClose 在接口中 ResultInterface

返回:

true if close should be called.

createShallowCopy

public final ResultInterface createShallowCopy(Session targetSession)

从接口复制的说明: ResultInterface

Create a shallow copy of the result set. The data and a temporary table (if there is any) is not copied.

指定者:

createShallowCopy 在接口中 ResultInterface

参数:

targetSession - the session of the copy

返回:

the copy if possible, or null if copying is not possible