greenplumn aovisimap 源码
greenplumn aovisimap 代码
文件路径：/src/include/catalog/aovisimap.h
/*-------------------------------------------------------------------------
*
* aovisimap.h
* Definitions to support creation of aovisimap tables.
*
* Copyright (c) 2013-Present VMware, Inc. or its affiliates.
*
*
* IDENTIFICATION
* src/include/catalog/aovisimap.h
*
*-------------------------------------------------------------------------
*/
#ifndef AOVISIMAP_H
#define AOVISIMAP_H
#include "storage/lock.h"
/*
* Macros to the attribute number for each attribute
* in the AO visimap relation.
*/
#define Natts_pg_aovisimap 3
#define Anum_pg_aovisimap_segno 1
#define Anum_pg_aovisimap_firstrownum 2
#define Anum_pg_aovisimap_visimap 3
extern void AlterTableCreateAoVisimapTable(Oid relOid);
#endif
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