greenplumn aoblkdir 源码
greenplumn aoblkdir 代码
文件路径：/src/include/catalog/aoblkdir.h
/*-------------------------------------------------------------------------
*
* aoblkdir.h
* Definitions to support creation of aoblkdir tables.
*
* Portions Copyright (c) 2009, Greenplum Inc.
* Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates.
*
*
* IDENTIFICATION
* src/include/catalog/aoblkdir.h
*
*-------------------------------------------------------------------------
*/
#ifndef AOBLKDIR_H
#define AOBLKDIR_H
/*
* Macros to the attribute number for each attribute
* in the block directory relation.
*/
#define Natts_pg_aoblkdir 4
#define Anum_pg_aoblkdir_segno 1
#define Anum_pg_aoblkdir_columngroupno 2
#define Anum_pg_aoblkdir_firstrownum 3
#define Anum_pg_aoblkdir_minipage 4
extern void AlterTableCreateAoBlkdirTable(Oid relOid);
#endif
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