postgresql/src/include/commands/dbcommands.h
Amit Kapila 1379fd537f Introduce the 'force' option for the Drop Database command.
This new option terminates the other sessions connected to the target
database and then drop it.  To terminate other sessions, the current user
must have desired permissions (same as pg_terminate_backend()).  We don't
allow to terminate the sessions if prepared transactions, active logical
replication slots or subscriptions are present in the target database.

Author: Pavel Stehule with changes by me
Reviewed-by: Dilip Kumar, Vignesh C, Ibrar Ahmed, Anthony Nowocien,
Ryan Lambert and Amit Kapila
Discussion: https://postgr.es/m/CAP_rwwmLJJbn70vLOZFpxGw3XD7nLB_7+NKz46H5EOO2k5H7OQ@mail.gmail.com
2019-11-13 08:25:33 +05:30

36 lines
1.3 KiB
C

/*-------------------------------------------------------------------------
*
* dbcommands.h
* Database management commands (create/drop database).
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/commands/dbcommands.h
*
*-------------------------------------------------------------------------
*/
#ifndef DBCOMMANDS_H
#define DBCOMMANDS_H
#include "access/xlogreader.h"
#include "catalog/objectaddress.h"
#include "lib/stringinfo.h"
#include "nodes/parsenodes.h"
extern Oid createdb(ParseState *pstate, const CreatedbStmt *stmt);
extern void dropdb(const char *dbname, bool missing_ok, bool force);
extern void DropDatabase(ParseState *pstate, DropdbStmt *stmt);
extern ObjectAddress RenameDatabase(const char *oldname, const char *newname);
extern Oid AlterDatabase(ParseState *pstate, AlterDatabaseStmt *stmt, bool isTopLevel);
extern Oid AlterDatabaseSet(AlterDatabaseSetStmt *stmt);
extern ObjectAddress AlterDatabaseOwner(const char *dbname, Oid newOwnerId);
extern Oid get_database_oid(const char *dbname, bool missing_ok);
extern char *get_database_name(Oid dbid);
extern void check_encoding_locale_matches(int encoding, const char *collate, const char *ctype);
#endif /* DBCOMMANDS_H */