greenplumn tablespace 源码

2022-08-18
浏览 (263)

greenplumn tablespace 代码

文件路径：/src/include/commands/tablespace.h

/*-------------------------------------------------------------------------
 *
 * tablespace.h
 *		Tablespace management commands (create/drop tablespace).
 *
 *
 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/commands/tablespace.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef TABLESPACE_H
#define TABLESPACE_H

#include "access/xlogreader.h"
#include "catalog/objectaddress.h"
#include "lib/stringinfo.h"
#include "nodes/parsenodes.h"
#include "storage/dbdirnode.h"

/* XLOG stuff */
#define XLOG_TBLSPC_CREATE		0x00
#define XLOG_TBLSPC_DROP		0x10

typedef struct xl_tblspc_create_rec
{
	Oid			ts_id;
	char		ts_path[FLEXIBLE_ARRAY_MEMBER]; /* null-terminated string */
} xl_tblspc_create_rec;

typedef struct xl_tblspc_drop_rec
{
	Oid			ts_id;
	char		ts_path[1];		/* VARIABLE LENGTH STRING */
} xl_tblspc_drop_rec;

typedef struct TableSpaceOpts
{
	int32		vl_len_;		/* varlena header (do not touch directly!) */
	float8		random_page_cost;
	float8		seq_page_cost;
	int			effective_io_concurrency;
} TableSpaceOpts;

extern Oid	CreateTableSpace(CreateTableSpaceStmt *stmt);
extern void DropTableSpace(DropTableSpaceStmt *stmt);
extern ObjectAddress RenameTableSpace(const char *oldname, const char *newname);
extern Oid	AlterTableSpaceOptions(AlterTableSpaceOptionsStmt *stmt);

extern void TablespaceCreateDbspace(Oid spcNode, Oid dbNode, bool isRedo);
extern void UnlinkTablespaceDirectory(Oid tablepace_oid_to_unlink, bool isRedo);

extern Oid	GetDefaultTablespace(char relpersistence, bool partitioned);

extern void PrepareTempTablespaces(void);

extern Oid	get_tablespace_oid(const char *tablespacename, bool missing_ok);
extern char *get_tablespace_name(Oid spc_oid);

extern bool directory_is_empty(const char *path);
extern void remove_tablespace_symlink(const char *linkloc);

extern void tblspc_redo(XLogReaderState *rptr);
extern void tblspc_desc(StringInfo buf, XLogReaderState *rptr);
extern const char *tblspc_identify(uint8 info);

#endif							/* TABLESPACE_H */

相关信息

greenplumn 源码目录

相关文章

greenplumn alter 源码

greenplumn analyzeutils 源码

greenplumn async 源码

greenplumn cluster 源码

greenplumn collationcmds 源码

greenplumn comment 源码

greenplumn conversioncmds 源码

greenplumn copy 源码

greenplumn createas 源码

greenplumn dbcommands 源码

0 赞

所属分类： 大数据
本文标签： greenplum
版权声明： 原创文章如转载，请注明本文链接: https://m.seaxiang.com/blog/f391d55c8ac146b8820b19eea9cf0a02

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙初识ArkTS语言
6、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
7、 flink kafka connector scan.startup.mode 的几个选项
8、 golang
9、 openharmony
10、 Vue中input框自动聚焦

Loading...