greenplumn CLeftSemiJoinStatsProcessor 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/statistics/CLeftSemiJoinStatsProcessor.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2018 VMware, Inc. or its affiliates.
/
/ @filename:
/ CLeftSemiJoinStatsProcessor.h
/
/ @doc:
/ Processor for computing statistics for Left Semi Join
/---------------------------------------------------------------------------
#ifndef GPNAUCRATES_CLeftSemiJoinStatsProcessor_H
#define GPNAUCRATES_CLeftSemiJoinStatsProcessor_H
#include "naucrates/statistics/CJoinStatsProcessor.h"
namespace gpnaucrates
{
class CLeftSemiJoinStatsProcessor : public CJoinStatsProcessor
{
public:
static CStatistics *CalcLSJoinStatsStatic(
CMemoryPool *mp, const IStatistics *outer_stats,
const IStatistics *inner_side_stats,
CStatsPredJoinArray *join_preds_stats);
};
} / namespace gpnaucrates
#endif / !GPNAUCRATES_CLeftSemiJoinStatsProcessor_H
/ EOF
相关信息
相关文章
greenplumn CFilterStatsProcessor 源码
greenplumn CGroupByStatsProcessor 源码
greenplumn CInnerJoinStatsProcessor 源码
greenplumn CJoinStatsProcessor 源码
greenplumn CLeftAntiSemiJoinStatsProcessor 源码
greenplumn CLeftOuterJoinStatsProcessor 源码