/usr/include/ncbi-vdb/vdb/database.h is in libncbi-vdb-dev 2.8.1+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
*/
#ifndef _h_vdb_database_
#define _h_vdb_database_
#ifndef _h_vdb_extern_
#include <vdb/extern.h>
#endif
#ifndef _h_kfs_directory_
#include <kfs/directory.h>
#endif
#ifndef _h_kdb_column_
#include <kdb/column.h>
#endif
#ifndef _h_klib_namelist_
#include <klib/namelist.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*--------------------------------------------------------------------------
* forwards
*/
struct VSchema;
struct KMetadata;
struct VDBManager;
/*--------------------------------------------------------------------------
* VDatabase
* opaque connection to a database within file system
*/
typedef struct VDatabase VDatabase;
/* AddRef
* Release
* all objects are reference counted
* NULL references are ignored
*/
VDB_EXTERN rc_t CC VDatabaseAddRef ( const VDatabase *self );
VDB_EXTERN rc_t CC VDatabaseRelease ( const VDatabase *self );
/* CreateDB
* create a new or open an existing database using manager
*
* "db" [ OUT ] - return parameter for newly opened database
*
* "schema" [ IN ] - schema object containg database
* declaration to be used in creating db.
*
* "typespec" [ IN ] - type and optionally version of db schema,
* e.g. 'MY_NAMESPACE:MyDatabase' or 'MY_NAMESPACE:MyDatabase#1.1'
*
* "cmode" [ IN ] - creation mode
*
* "path" [ IN ] - NUL terminated string in
* wd-native character set giving path to database
*/
VDB_EXTERN rc_t CC VDBManagerCreateDB ( struct VDBManager *self, VDatabase **db,
struct VSchema const *schema, const char *typespec,
KCreateMode cmode, const char *path, ... );
VDB_EXTERN rc_t CC VDBManagerVCreateDB ( struct VDBManager *self, VDatabase **db,
struct VSchema const *schema, const char *typespec,
KCreateMode cmode, const char *path, va_list args );
/* CreateDB
* create a new or open an existing database under parent database
*
* "db" [ OUT ] - return parameter for newly opened database
*
* "member" [ IN ] - name of database member template under parent
* the named member is a db template rather than a named database.
*
* "cmode" [ IN ] - creation mode
*
* "name" [ IN ] - NUL terminated string in
* db-native character set giving actual table name
*/
VDB_EXTERN rc_t CC VDatabaseCreateDB ( VDatabase *self, VDatabase **db,
const char *member, KCreateMode cmode, const char *name, ... );
VDB_EXTERN rc_t CC VDatabaseVCreateDB ( VDatabase *self, VDatabase **db,
const char *member, KCreateMode cmode, const char *name, va_list args );
VDB_EXTERN rc_t CC VDatabaseDropDB ( VDatabase *self, const char *name, ... );
VDB_EXTERN rc_t CC VDatabaseVDropDB ( VDatabase *self, const char *name, va_list args );
VDB_EXTERN rc_t CC VDatabaseDropTable ( VDatabase *self, const char *name, ... );
VDB_EXTERN rc_t CC VDatabaseVDropTable ( VDatabase *self, const char *name, va_list args );
/* OpenDBRead
* open a database for read using manager
* OpenDBUpdate
* open a database for read/write using manager
*
* "db" [ OUT ] - return parameter for newly opened database
*
* "schema" [ IN, NULL OKAY ] - schema object containg database
* declaration to be used in creating db [ needed by manager ].
*
* "path" [ IN ] - NUL terminated string in
* wd-native character set giving path to database
*/
VDB_EXTERN rc_t CC VDBManagerOpenDBRead ( struct VDBManager const *self,
const VDatabase **db, struct VSchema const *schema,
const char *path, ... );
VDB_EXTERN rc_t CC VDBManagerVOpenDBRead ( struct VDBManager const *self,
const VDatabase **db, struct VSchema const *schema,
const char *path, va_list args );
VDB_EXTERN rc_t CC VDBManagerOpenDBUpdate ( struct VDBManager *self,
VDatabase **db, struct VSchema const *schema,
const char *path, ... );
VDB_EXTERN rc_t CC VDBManagerVOpenDBUpdate ( struct VDBManager *self,
VDatabase **db, struct VSchema const *schema,
const char *path, va_list args );
/* OpenDBRead
* open a database for read under parent db
* OpenDBUpdate
* open or create a database for read/write under parent db
*
* "db" [ OUT ] - return parameter for newly opened database
*
* "name" [ IN ] - NUL terminated string in
* db-native character set giving name of database member
*/
VDB_EXTERN rc_t CC VDatabaseOpenDBRead ( const VDatabase *self,
const VDatabase **db, const char *name, ... );
VDB_EXTERN rc_t CC VDatabaseVOpenDBRead ( const VDatabase *self,
const VDatabase **db, const char *name, va_list args );
VDB_EXTERN rc_t CC VDatabaseOpenDBUpdate ( VDatabase *self,
VDatabase **db, const char *name, ... );
VDB_EXTERN rc_t CC VDatabaseVOpenDBUpdate ( VDatabase *self,
VDatabase **db, const char *name, va_list args );
/* Typespec
* retrieve database typespec
*
* AVAILABILITY: version 2.2
*
* "ts_buff" [ IN ] and "ts_size" [ IN ] - buffer for return of NUL-terminated
* database typespec, e.g. 'NCBI:db:abc #1.1'
*/
VDB_EXTERN rc_t CC VDatabaseTypespec ( const VDatabase *self,
char *ts_buff, size_t ts_size );
/* Locked
* returns true if locked
*/
VDB_EXTERN bool CC VDatabaseLocked ( const VDatabase *self );
/* IsAlias
* returns true if object name is an alias
* returns path to fundamental name if it was aliased
*
* "type" [ IN ] - a KDBPathType
* valid values are kptDatabase, kptTable and kptIndex
*
* "resolved" [ OUT ] and "rsize" [ IN ] - optional output buffer
* for fundamenta object name if "alias" is not a fundamental name,
*
* "name" [ IN ] - NUL terminated object name
*/
VDB_EXTERN bool CC VDatabaseIsAlias ( const VDatabase *self, uint32_t type,
char *resolved, size_t rsize, const char *name );
/* Writable
* returns 0 if object is writable
* or a reason why if not
*
* "type" [ IN ] - a KDBPathType
* valid values are kptDatabase, kptTable and kptIndex
*
* "path" [ IN ] - NUL terminated path
*/
VDB_EXTERN rc_t CC VDatabaseWritable ( const VDatabase *self, uint32_t type,
const char *name, ... );
VDB_EXTERN rc_t CC VDatabaseVWritable ( const VDatabase *self, uint32_t type,
const char *name, va_list args );
/* Lock
* apply lock
*
* if object is already locked, the operation is idempotent
* and returns an rc state of rcLocked
*
* "type" [ IN ] - a KDBPathType
* valid values are kptDatabase, kptTable and kptIndex
*
* "path" [ IN ] - NUL terminated path
*/
VDB_EXTERN rc_t CC VDatabaseLock ( VDatabase *self, uint32_t type,
const char *name, ... );
VDB_EXTERN rc_t CC VDatabaseVLock ( VDatabase *self, uint32_t type,
const char *name, va_list args );
/* Unlock
* remove lock
*
* if object is already unlocked, the operation is idempotent
* and returns an rc state of rcUnlocked
*
* "type" [ IN ] - a KDBPathType
* valid values are kptDatabase, kptTable and kptIndex
*
* "path" [ IN ] - NUL terminated path
*/
VDB_EXTERN rc_t CC VDatabaseUnlock ( VDatabase *self, uint32_t type,
const char *name, ... );
VDB_EXTERN rc_t CC VDatabaseVUnlock ( VDatabase *self, uint32_t type,
const char *name, va_list args );
/* OpenMetadataRead
* OpenMetadataUpdate
* opens metadata file
*
* "meta" [ OUT ] - return parameter for metadata
*/
VDB_EXTERN rc_t CC VDatabaseOpenMetadataRead ( const VDatabase *self, struct KMetadata const **meta );
VDB_EXTERN rc_t CC VDatabaseOpenMetadataUpdate ( VDatabase *self, struct KMetadata **meta );
/* ColumnCreateParams
* sets the creation parameters for physical columns
*
* "cmode" [ IN ] - creation mode
*
* "checksum" [ IN ] - the type of checksum information to
* apply when writing blobs
*
* "pgsize" [ IN, DEFAULT ZERO ] - size of internal column "pages"
* the default value is indicated by 0 ( zero ).
* NB - CURRENTLY THE ONLY SUPPORTED PAGE SIZE IS 1 ( ONE ) BYTE.
*/
VDB_EXTERN rc_t CC VDatabaseColumnCreateParams ( VDatabase *self,
KCreateMode cmode, KChecksum checksum, size_t pgsize );
/* OpenManager
* duplicate reference to manager
* NB - returned reference must be released
*/
VDB_EXTERN rc_t CC VDatabaseOpenManagerRead ( const VDatabase *self, struct VDBManager const **mgr );
VDB_EXTERN rc_t CC VDatabaseOpenManagerUpdate ( VDatabase *self, struct VDBManager **mgr );
/* OpenParent
* duplicate reference to parent database
* NB - returned reference must be released
*/
VDB_EXTERN rc_t CC VDatabaseOpenParentRead ( const VDatabase *self, const VDatabase **par );
VDB_EXTERN rc_t CC VDatabaseOpenParentUpdate ( VDatabase *self, VDatabase **par );
/* OpenSchema
* duplicate reference to db schema
* NB - returned reference must be released
*/
VDB_EXTERN rc_t CC VDatabaseOpenSchema ( const VDatabase *self, struct VSchema const **schema );
/* lists the tables of the database
*
* "names" [ OUT ] - return parameter for table
*/
VDB_EXTERN rc_t CC VDatabaseListTbl ( const VDatabase *self, KNamelist **names );
/* lists the sub-databases of the database
*
* "names" [ OUT ] - return parameter for databases
*/
VDB_EXTERN rc_t CC VDatabaseListDB ( const VDatabase *self, KNamelist **names );
/* GetUserData
* SetUserData
* store/retrieve an opaque pointer to user data
*
* "data" [ OUT ] - return parameter for getting data
* "data" [ IN ] - parameter for setting data
*
* "destroy" [ IN, NULL OKAY ] - optional destructor param
* invoked from destructor of "self"
*/
VDB_EXTERN rc_t CC VDatabaseGetUserData ( const VDatabase *self, void **data );
VDB_EXTERN rc_t CC VDatabaseSetUserData ( const VDatabase *self,
void *data, void ( CC * destroy ) ( void *data ) );
#ifdef __cplusplus
}
#endif
#endif /* _h_vdb_database_ */
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