src/include/commands/dbcommands.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * dbcommands.h
   4  *              Database management commands (create/drop database).
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL$
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef DBCOMMANDS_H
  15 #define DBCOMMANDS_H
  16
  17 #include "access/xlog.h"
  18 #include "nodes/parsenodes.h"
  19
  20 /* XLOG stuff */
  21 #define XLOG_DBASE_CREATE               0x00
  22 #define XLOG_DBASE_DROP                 0x10
  23
  24 typedef struct xl_dbase_create_rec_old
  25 {
  26         /* Records copying of a single subdirectory incl. contents */
  27         Oid                     db_id;
  28         char            src_path[1];    /* VARIABLE LENGTH STRING */
  29         /* dst_path follows src_path */
  30 } xl_dbase_create_rec_old;
  31
  32 typedef struct xl_dbase_drop_rec_old
  33 {
  34         /* Records dropping of a single subdirectory incl. contents */
  35         Oid                     db_id;
  36         char            dir_path[1];    /* VARIABLE LENGTH STRING */
  37 } xl_dbase_drop_rec_old;
  38
  39 typedef struct xl_dbase_create_rec
  40 {
  41         /* Records copying of a single subdirectory incl. contents */
  42         Oid                     db_id;
  43         Oid                     tablespace_id;
  44         Oid                     src_db_id;
  45         Oid                     src_tablespace_id;
  46 } xl_dbase_create_rec;
  47
  48 typedef struct xl_dbase_drop_rec
  49 {
  50         /* Records dropping of a single subdirectory incl. contents */
  51         Oid                     db_id;
  52         Oid                     tablespace_id;
  53 } xl_dbase_drop_rec;
  54
  55 extern void createdb(const CreatedbStmt *stmt);
  56 extern void dropdb(const char *dbname, bool missing_ok);
  57 extern void RenameDatabase(const char *oldname, const char *newname);
  58 extern void AlterDatabase(AlterDatabaseStmt *stmt, bool isTopLevel);
  59 extern void AlterDatabaseSet(AlterDatabaseSetStmt *stmt);
  60 extern void AlterDatabaseOwner(const char *dbname, Oid newOwnerId);
  61
  62 extern Oid      get_database_oid(const char *dbname);
  63 extern char *get_database_name(Oid dbid);
  64
  65 extern void dbase_redo(XLogRecPtr lsn, XLogRecord *rptr);
  66 extern void dbase_desc(StringInfo buf, uint8 xl_info, char *rec);
  67
  68 #endif   /* DBCOMMANDS_H */