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Move WAL-related definitions from dbcommands.h to separate header file.

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This makes it easier to write frontend programs that needs to understand
the WAL record format of CREATE/DROP DATABASE. dbcommands.h cannot easily
be #included in a frontend program, because it pulls in other header files
that need backend stuff, but the new dbcommands_xlog.h header file has
fewer dependencies.
This commit is contained in:
Heikki Linnakangas 2015-03-09 15:49:10 +02:00
parent b9e538b190
commit f1fd515b39
6 changed files with 48 additions and 27 deletions
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2
contrib/pg_xlogdump/rmgrdesc.c
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@ -22,7 +22,7 @@
#include "access/xact.h"
#include "access/xlog_internal.h"
#include "catalog/storage_xlog.h"
#include "commands/dbcommands.h"
#include "commands/dbcommands_xlog.h"
#include "commands/sequence.h"
#include "commands/tablespace.h"
#include "rmgrdesc.h"

2
src/backend/access/rmgrdesc/dbasedesc.c
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@ -14,7 +14,7 @@
*/
#include "postgres.h"
#include "commands/dbcommands.h"
#include "commands/dbcommands_xlog.h"
#include "lib/stringinfo.h"

2
src/backend/access/transam/rmgr.c
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@ -20,7 +20,7 @@
#include "access/xact.h"
#include "access/xlog_internal.h"
#include "catalog/storage_xlog.h"
#include "commands/dbcommands.h"
#include "commands/dbcommands_xlog.h"
#include "commands/sequence.h"
#include "commands/tablespace.h"
#include "storage/standby.h"

1
src/backend/commands/dbcommands.c
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@ -40,6 +40,7 @@
#include "catalog/pg_tablespace.h"
#include "commands/comment.h"
#include "commands/dbcommands.h"
#include "commands/dbcommands_xlog.h"
#include "commands/defrem.h"
#include "commands/seclabel.h"
#include "commands/tablespace.h"

24
src/include/commands/dbcommands.h
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@ -19,26 +19,6 @@
#include "lib/stringinfo.h"
#include "nodes/parsenodes.h"
/* XLOG stuff */
#define XLOG_DBASE_CREATE 0x00
#define XLOG_DBASE_DROP 0x10
typedef struct xl_dbase_create_rec
{
/* Records copying of a single subdirectory incl. contents */
Oid db_id;
Oid tablespace_id;
Oid src_db_id;
Oid src_tablespace_id;
} xl_dbase_create_rec;
typedef struct xl_dbase_drop_rec
{
/* Records dropping of a single subdirectory incl. contents */
Oid db_id;
Oid tablespace_id;
} xl_dbase_drop_rec;
extern Oid createdb(const CreatedbStmt *stmt);
extern void dropdb(const char *dbname, bool missing_ok);
extern ObjectAddress RenameDatabase(const char *oldname, const char *newname);
@ -49,10 +29,6 @@ extern ObjectAddress AlterDatabaseOwner(const char *dbname, Oid newOwnerId);
extern Oid get_database_oid(const char *dbname, bool missingok);
extern char *get_database_name(Oid dbid);
extern void dbase_redo(XLogReaderState *rptr);
extern void dbase_desc(StringInfo buf, XLogReaderState *rptr);
extern const char *dbase_identify(uint8 info);
extern void check_encoding_locale_matches(int encoding, const char *collate, const char *ctype);
#endif /* DBCOMMANDS_H */

44
src/include/commands/dbcommands_xlog.h Normal file
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@ -0,0 +1,44 @@
/*-------------------------------------------------------------------------
*
* dbcommands_xlog.h
* Database resource manager XLOG definitions (create/drop database).
*
*
* Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/commands/dbcommands_xlog.h
*
*-------------------------------------------------------------------------
*/
#ifndef DBCOMMANDS_XLOG_H
#define DBCOMMANDS_XLOG_H
#include "access/xlogreader.h"
#include "lib/stringinfo.h"
/* record types */
#define XLOG_DBASE_CREATE 0x00
#define XLOG_DBASE_DROP 0x10
typedef struct xl_dbase_create_rec
{
/* Records copying of a single subdirectory incl. contents */
Oid db_id;
Oid tablespace_id;
Oid src_db_id;
Oid src_tablespace_id;
} xl_dbase_create_rec;
typedef struct xl_dbase_drop_rec
{
/* Records dropping of a single subdirectory incl. contents */
Oid db_id;
Oid tablespace_id;
} xl_dbase_drop_rec;
extern void dbase_redo(XLogReaderState *rptr);
extern void dbase_desc(StringInfo buf, XLogReaderState *rptr);
extern const char *dbase_identify(uint8 info);
#endif /* DBCOMMANDS_XLOG_H */