org.h2.command.dml

类 Merge

java.lang.Object

org.h2.command.Prepared

org.h2.command.dml.DataChangeStatement

org.h2.command.dml.CommandWithValues

org.h2.command.dml.Merge

public final class Merge
extends CommandWithValues

This class represents the statement MERGE or the MySQL compatibility statement REPLACE

字段概要

从类继承的字段 org.h2.command.dml.CommandWithValues

valuesExpressionList

从类继承的字段 org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement, sqlTokens

构造器概要

构造器

构造器和说明
Merge(SessionLocal session, boolean isReplace)

方法概要

限定符和类型	方法和说明
void	collectDependencies(HashSet<DbObject> dependencies) Find and collect all DbObjects, this Prepared depends on.
String	getPlanSQL(int sqlFlags) Get the SQL statement with the execution plan.
String	getStatementName() Return the name of this statement.
Table	getTable() Return the target table.
int	getType() Get the command type as defined in CommandInterface
void	setColumns(Column[] columns)
void	setCommand(Command command) Set the command.
void	setKeys(Column[] keys)
void	setQuery(Query query)
void	setTable(Table table)
long	update(ResultTarget deltaChangeCollector, DataChangeDeltaTable.ResultOption deltaChangeCollectionMode) Execute the statement with specified delta change collector and collection mode.

从类继承的方法 org.h2.command.dml.CommandWithValues

addRow

从类继承的方法 org.h2.command.dml.DataChangeStatement

isCacheable, isTransactional, prepare, queryMeta, update

从类继承的方法 org.h2.command.Prepared

checkCanceled, checkParameters, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getSession, getSimpleSQL, getSQL, getSQLTokens, isQuery, isReadOnly, isWithParamValues, needRecompile, query, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, setWithParamValues, toString

从类继承的方法 java.lang.Object

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

构造器详细资料

Merge

public Merge(SessionLocal session,
             boolean isReplace)

方法详细资料

setCommand

public void setCommand(Command command)

从类复制的说明: Prepared

Set the command.

覆盖:

setCommand 在类中 Prepared

参数:

command - the new command

getTable

public Table getTable()

从类复制的说明: DataChangeStatement

Return the target table.

指定者:

getTable 在类中 DataChangeStatement

返回:

the target table

setTable

public void setTable(Table table)

setColumns

public void setColumns(Column[] columns)

setKeys

public void setKeys(Column[] keys)

setQuery

public void setQuery(Query query)

update

public long update(ResultTarget deltaChangeCollector,
                   DataChangeDeltaTable.ResultOption deltaChangeCollectionMode)

从类复制的说明: DataChangeStatement

Execute the statement with specified delta change collector and collection mode.

指定者:

update 在类中 DataChangeStatement

参数:

deltaChangeCollector - target result

deltaChangeCollectionMode - collection mode

返回:

the update count

getPlanSQL

public String getPlanSQL(int sqlFlags)

从类复制的说明: Prepared

Get the SQL statement with the execution plan.

覆盖:

getPlanSQL 在类中 Prepared

参数:

sqlFlags - formatting flags

返回:

the execution plan

getType

public int getType()

从类复制的说明: Prepared

Get the command type as defined in CommandInterface

指定者:

getType 在类中 Prepared

返回:

the statement type

getStatementName

public String getStatementName()

从类复制的说明: DataChangeStatement

Return the name of this statement.

指定者:

getStatementName 在类中 DataChangeStatement

返回:

the short name of this statement.

collectDependencies

public void collectDependencies(HashSet<DbObject> dependencies)

从类复制的说明: Prepared

Find and collect all DbObjects, this Prepared depends on.

覆盖:

collectDependencies 在类中 Prepared

参数:

dependencies - collection of dependencies to populate