btr0types.h

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/*****************************************************************************

Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved.

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA

*****************************************************************************/

/********************************************************************/
#ifndef btr0types_h
#define btr0types_h

#include "univ.i"

#include "rem0types.h"
#include "page0types.h"
#include "sync0rw.h"

struct btr_pcur_t;
struct btr_cur_t;
struct btr_search_t;

#ifndef UNIV_HOTBACKUP

extern rw_lock_t*       btr_search_latch_temp;

#endif /* UNIV_HOTBACKUP */

#define btr_search_latch        (*btr_search_latch_temp)

extern char     btr_search_enabled;

#ifdef UNIV_BLOB_DEBUG
# include "buf0types.h"
struct btr_blob_dbg_t;

UNIV_INTERN
void
btr_blob_dbg_rbt_insert(
/*====================*/
        dict_index_t*           index,  
        const btr_blob_dbg_t*   b,      
        const char*             ctx)    
        __attribute__((nonnull));

UNIV_INTERN
void
btr_blob_dbg_rbt_delete(
/*====================*/
        dict_index_t*           index,  
        const btr_blob_dbg_t*   b,      
        const char*             ctx)    
        __attribute__((nonnull));

/**************************************************************/
UNIV_INTERN
ulint
btr_blob_dbg_add_rec(
/*=================*/
        const rec_t*    rec,    
        dict_index_t*   index,  
        const ulint*    offsets,
        const char*     ctx)    
        __attribute__((nonnull));
/**************************************************************/
UNIV_INTERN
ulint
btr_blob_dbg_remove_rec(
/*====================*/
        const rec_t*    rec,    
        dict_index_t*   index,  
        const ulint*    offsets,
        const char*     ctx)    
        __attribute__((nonnull));
/**************************************************************/
UNIV_INTERN
ulint
btr_blob_dbg_add(
/*=============*/
        const page_t*   page,   
        dict_index_t*   index,  
        const char*     ctx)    
        __attribute__((nonnull));
/**************************************************************/
UNIV_INTERN
ulint
btr_blob_dbg_remove(
/*================*/
        const page_t*   page,   
        dict_index_t*   index,  
        const char*     ctx)    
        __attribute__((nonnull));
/**************************************************************/
UNIV_INTERN
void
btr_blob_dbg_restore(
/*=================*/
        const page_t*   npage,  
        const page_t*   page,   
        dict_index_t*   index,  
        const char*     ctx)    
        __attribute__((nonnull));

typedef ulint (*btr_blob_dbg_op_f)
(const rec_t* rec,dict_index_t* index,const ulint* offsets,const char* ctx);

/**************************************************************/
UNIV_INTERN
ulint
btr_blob_dbg_op(
/*============*/
        const page_t*           page,   
        const rec_t*            rec,    
        dict_index_t*           index,  
        const char*             ctx,    
        const btr_blob_dbg_op_f op)     
        __attribute__((nonnull(1,3,4,5)));
#else /* UNIV_BLOB_DEBUG */
# define btr_blob_dbg_add_rec(rec, index, offsets, ctx)         ((void) 0)
# define btr_blob_dbg_add(page, index, ctx)                     ((void) 0)
# define btr_blob_dbg_remove_rec(rec, index, offsets, ctx)      ((void) 0)
# define btr_blob_dbg_remove(page, index, ctx)                  ((void) 0)
# define btr_blob_dbg_restore(npage, page, index, ctx)          ((void) 0)
# define btr_blob_dbg_op(page, rec, index, ctx, op)             ((void) 0)
#endif /* UNIV_BLOB_DEBUG */

#define BTR_EXTERN_FIELD_REF_SIZE       20

extern const byte field_ref_zero[BTR_EXTERN_FIELD_REF_SIZE];

#endif