greenplumn gp_segment_configuration 源码
greenplumn gp_segment_configuration 代码
文件路径:/src/include/catalog/gp_segment_configuration.h
/*-------------------------------------------------------------------------
*
* gp_segment_configuration.h
* a segment configuration table
*
* Portions Copyright (c) 2006-2011, Greenplum Inc.
* Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates.
*
*
* IDENTIFICATION
* src/include/catalog/gp_segment_configuration.h
*
*-------------------------------------------------------------------------
*/
#ifndef GP_SEGMENT_CONFIGURATION_H
#define GP_SEGMENT_CONFIGURATION_H
#include "catalog/genbki.h"
#include "catalog/gp_segment_configuration_d.h"
/*
* Defines for gp_segment_configuration table
*/
#define GpSegmentConfigRelationName "gp_segment_configuration"
#define MASTER_CONTENT_ID (-1)
#define GP_SEGMENT_CONFIGURATION_ROLE_PRIMARY 'p'
#define GP_SEGMENT_CONFIGURATION_ROLE_MIRROR 'm'
#define GP_SEGMENT_CONFIGURATION_STATUS_UP 'u'
#define GP_SEGMENT_CONFIGURATION_STATUS_DOWN 'd'
#define GP_SEGMENT_CONFIGURATION_MODE_INSYNC 's'
#define GP_SEGMENT_CONFIGURATION_MODE_NOTINSYNC 'n'
/* ----------------
* gp_segment_configuration definition. cpp turns this into
* typedef struct FormData_gp_segment_configuration
* ----------------
*/
CATALOG(gp_segment_configuration,5036,GpSegmentConfigRelationId) BKI_SHARED_RELATION
{
int16 dbid; /* up to 32767 segment databases */
int16 content; /* up to 32767 contents -- only 16384 usable with mirroring (see dbid) */
char role;
char preferred_role;
char mode;
char status;
int32 port;
#ifdef CATALOG_VARLEN
text hostname;
text address;
text datadir;
#endif
} FormData_gp_segment_configuration;
/* no foreign keys */
/* ----------------
* Form_gp_segment_configuration corresponds to a pointer to a tuple with
* the format of gp_segment_configuration relation.
* ----------------
*/
typedef FormData_gp_segment_configuration *Form_gp_segment_configuration;
extern bool gp_segment_config_has_mirrors(void);
#endif /*_GP_SEGMENT_CONFIGURATION_H_*/
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