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Add WAL logging for CREATE/DROP DATABASE and CREATE/DROP TABLESPACE.

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Fix TablespaceCreateDbspace() to be able to create a dummy directory
in place of a dropped tablespace's symlink.  This eliminates the open
problem of a PANIC during WAL replay when a replayed action attempts
to touch a file in a since-deleted tablespace.  It also makes for a
significant improvement in the usability of PITR replay.
This commit is contained in:
Tom Lane
2004-08-29 21:08:48 +00:00
parent ee66401f31
commit 50742aed68
9 changed files with 483 additions and 106 deletions
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29
src/include/commands/tablespace.h
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@ -1,32 +1,49 @@
/*-------------------------------------------------------------------------
*
* tablespace.h
* prototypes for tablespace.c.
* Tablespace management commands (create/drop tablespace).
*
*
* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/tablespace.h,v 1.3 2004/07/11 19:52:52 tgl Exp $
* $PostgreSQL: pgsql/src/include/commands/tablespace.h,v 1.4 2004/08/29 21:08:47 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef TABLESPACE_H
#define TABLESPACE_H
#include "access/xlog.h"
#include "nodes/parsenodes.h"
extern void CreateTableSpace(CreateTableSpaceStmt *stmt);
/* XLOG stuff */
#define XLOG_TBLSPC_CREATE 0x00
#define XLOG_TBLSPC_DROP 0x10
typedef struct xl_tblspc_create_rec
{
Oid ts_id;
char ts_path[1]; /* VARIABLE LENGTH STRING */
} xl_tblspc_create_rec;
typedef struct xl_tblspc_drop_rec
{
Oid ts_id;
} xl_tblspc_drop_rec;
extern void CreateTableSpace(CreateTableSpaceStmt *stmt);
extern void DropTableSpace(DropTableSpaceStmt *stmt);
extern void RenameTableSpace(const char *oldname, const char *newname);
extern void AlterTableSpaceOwner(const char *name, AclId newOwnerSysId);
extern void TablespaceCreateDbspace(Oid spcNode, Oid dbNode, bool isRedo);
extern Oid get_tablespace_oid(const char *tablespacename);
extern char *get_tablespace_name(Oid spc_oid);
extern void RenameTableSpace(const char *oldname, const char *newname);
extern void AlterTableSpaceOwner(const char *name, AclId newOwnerSysId);
extern void tblspc_redo(XLogRecPtr lsn, XLogRecord *rptr);
extern void tblspc_undo(XLogRecPtr lsn, XLogRecord *rptr);
extern void tblspc_desc(char *buf, uint8 xl_info, char *rec);
#endif /* TABLESPACE_H */