LsmMvccTrx类 参考

类 LsmMvccTrx 继承关系图:

Public 成员函数
	LsmMvccTrx (ObLsm *lsm)
RC	insert_record (Table *table, Record &record) override
RC	delete_record (Table *table, Record &record) override
RC	update_record (Table *table, Record &old_record, Record &record) override
RC	visit_record (Table *table, Record &record, ReadWriteMode mode) override
RC	start_if_need () override
RC	commit () override
RC	rollback () override
RC	redo (Db *db, const LogEntry &log_entry) override
ObLsmTransaction *	get_trx ()
int32_t	id () const override
Public 成员函数 继承自 Trx
	Trx (TrxKit::Type type)
virtual RC	insert_record (Table *table, Record &record)=0
virtual RC	delete_record (Table *table, Record &record)=0
virtual RC	update_record (Table *table, Record &old_record, Record &new_record)=0
virtual RC	visit_record (Table *table, Record &record, ReadWriteMode mode)=0
virtual RC	start_if_need ()=0
virtual RC	commit ()=0
virtual RC	rollback ()=0
virtual RC	redo (Db *db, const LogEntry &log_entry)=0
virtual int32_t	id () const =0
TrxKit::Type	type () const

Private 属性
ObLsm *	lsm_
ObLsmTransaction *	trx_ = nullptr

成员函数说明

commit()

RC LsmMvccTrx::commit ( )

overridevirtual

实现了 Trx.

delete_record()

RC LsmMvccTrx::delete_record ( Table *  table, Record &  record  )

overridevirtual

实现了 Trx.

id()

int32_t LsmMvccTrx::id ( ) const

inlineoverridevirtual

实现了 Trx.

insert_record()

RC LsmMvccTrx::insert_record ( Table *  table, Record &  record  )

overridevirtual

实现了 Trx.

redo()

RC LsmMvccTrx::redo ( Db *  db, const LogEntry &  log_entry  )

overridevirtual

实际没有使用

实现了 Trx.

rollback()

RC LsmMvccTrx::rollback ( )

overridevirtual

实现了 Trx.

start_if_need()

RC LsmMvccTrx::start_if_need ( )

overridevirtual

实现了 Trx.

update_record()

RC LsmMvccTrx::update_record ( Table *  table, Record &  old_record, Record &  record  )

overridevirtual

实现了 Trx.

visit_record()

RC LsmMvccTrx::visit_record ( Table *  table, Record &  record, ReadWriteMode  mode  )

overridevirtual

在 index scan 中使用的，需要适配 index scan

实现了 Trx.

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该类的文档由以下文件生成:

• src/observer/storage/trx/lsm_mvcc_trx.h
• src/observer/storage/trx/lsm_mvcc_trx.cpp