mariadb/storage/tokudb/hatoku_defines.h

/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*
COPYING CONDITIONS NOTICE:

  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation, and provided that the
  following conditions are met:

      * Redistributions of source code must retain this COPYING
        CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
        DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
        PATENT MARKING NOTICE (below), and the PATENT RIGHTS
        GRANT (below).

      * Redistributions in binary form must reproduce this COPYING
        CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
        DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
        PATENT MARKING NOTICE (below), and the PATENT RIGHTS
        GRANT (below) in the documentation and/or other materials
        provided with the distribution.

  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, Fifth Floor, Boston, MA
  02110-1301, USA.

COPYRIGHT NOTICE:

  TokuDB, Tokutek Fractal Tree Indexing Library.
  Copyright (C) 2007-2013 Tokutek, Inc.

DISCLAIMER:

  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.

UNIVERSITY PATENT NOTICE:

  The technology is licensed by the Massachusetts Institute of
  Technology, Rutgers State University of New Jersey, and the Research
  Foundation of State University of New York at Stony Brook under
  United States of America Serial No. 11/760379 and to the patents
  and/or patent applications resulting from it.

PATENT MARKING NOTICE:

  This software is covered by US Patent No. 8,185,551.

PATENT RIGHTS GRANT:

  "THIS IMPLEMENTATION" means the copyrightable works distributed by
  Tokutek as part of the Fractal Tree project.

  "PATENT CLAIMS" means the claims of patents that are owned or
  licensable by Tokutek, both currently or in the future; and that in
  the absence of this license would be infringed by THIS
  IMPLEMENTATION or by using or running THIS IMPLEMENTATION.

  "PATENT CHALLENGE" shall mean a challenge to the validity,
  patentability, enforceability and/or non-infringement of any of the
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  Tokutek hereby grants to you, for the term and geographical scope of
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  IMPLEMENTATION.  If you or your agent or licensee institute or order
  or agree to the institution of patent litigation against any entity
  (including a cross-claim or counterclaim in a lawsuit) alleging that
  THIS IMPLEMENTATION constitutes direct or contributory patent
  infringement, or inducement of patent infringement, then any rights
  granted to you under this License shall terminate as of the date
  such litigation is filed.  If you or your agent or exclusive
  licensee institute or order or agree to the institution of a PATENT
  CHALLENGE, then Tokutek may terminate any rights granted to you
  under this License.
*/

#ident "Copyright (c) 2007-2013 Tokutek Inc.  All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."
#ifndef _HATOKU_DEF
#define _HATOKU_DEF

#include "mysql_version.h"
#if MYSQL_VERSION_ID < 50506
#include "mysql_priv.h"
#else
#include "sql_table.h"
#include "handler.h"
#include "table.h"
#include "log.h"
#include "sql_class.h"
#include "sql_show.h"
#include "discover.h"
#endif

#include "db.h"
#include "toku_os.h"

#ifdef USE_PRAGMA_INTERFACE
#pragma interface               /* gcc class implementation */
#endif

// In MariaDB 5.3, thread progress reporting was introduced.
// Only include that functionality if we're using maria 5.3 +
#ifdef MARIADB_BASE_VERSION
#if MYSQL_VERSION_ID >= 50300
#define HA_TOKUDB_HAS_THD_PROGRESS
#endif
#endif

#if defined(TOKUDB_PATCHES) && TOKUDB_PATCHES == 0

#elif 100000 <= MYSQL_VERSION_ID && MYSQL_VERSION_ID <= 100099
#define TOKU_INCLUDE_ALTER_56 0
#define TOKU_INCLUDE_ALTER_55 0
#define TOKU_INCLUDE_ROW_TYPE_COMPRESSION 1
#define TOKU_INCLUDE_XA 1
#define TOKU_PARTITION_WRITE_FRM_DATA 0
#define TOKU_INCLUDE_WRITE_FRM_DATA 0
#define TOKU_INCLUDE_UPSERT 0
#define TOKU_INCLUDE_EXTENDED_KEYS 1
#define TOKU_INCLUDE_OTHER_DB_TYPE 0

#elif 50600 <= MYSQL_VERSION_ID && MYSQL_VERSION_ID <= 50699
#define TOKU_INCLUDE_ALTER_56 1
#define TOKU_INCLUDE_ROW_TYPE_COMPRESSION 1
#define TOKU_INCLUDE_XA 1
#define TOKU_PARTITION_WRITE_FRM_DATA 1
#define TOKU_INCLUDE_WRITE_FRM_DATA 1
#define TOKU_INCLUDE_UPSERT 1
#define TOKU_INCLUDE_EXTENDED_KEYS 1
#define TOKU_INCLUDE_OTHER_DB_TYPE 0

#elif 50500 <= MYSQL_VERSION_ID && MYSQL_VERSION_ID <= 50599
#define TOKU_INCLUDE_ALTER_56 0         /* MariaDB 5.5 */
#define TOKU_INCLUDE_ALTER_55 0         /* MariaDB 5.5 */
#define TOKU_INCLUDE_ROW_TYPE_COMPRESSION 1
#define TOKU_INCLUDE_XA 1
#define TOKU_PARTITION_WRITE_FRM_DATA 0 /* MariaDB 5.5 */
#define TOKU_INCLUDE_WRITE_FRM_DATA 0   /* MariaDB 5.5 */
#define TOKU_INCLUDE_UPSERT 0           /* MariaDB 5.5 */
#if defined(MARIADB_BASE_VERSION)
#define TOKU_INCLUDE_EXTENDED_KEYS 1
#endif
#define TOKU_INCLUDE_OTHER_DB_TYPE 0    /* MariaDB 5.5 */
#else

#error

#endif

#if !defined(HA_CLUSTERING)
#define HA_CLUSTERING 0
#endif

#if !defined(HA_CLUSTERED_INDEX)
#define HA_CLUSTERED_INDEX 0
#endif

#if !defined(HA_CAN_WRITE_DURING_OPTIMIZE)
#define HA_CAN_WRITE_DURING_OPTIMIZE 0
#endif

#if !defined(HA_OPTION_CREATE_FROM_ENGINE)
#define HA_OPTION_CREATE_FROM_ENGINE 0
#endif

// In older (< 5.5) versions of MySQL and MariaDB, it is necessary to 
// use a read/write lock on the key_file array in a table share, 
// because table locks do not protect the race of some thread closing 
// a table and another calling ha_tokudb::info()
//
// In version 5.5 and, a higher layer "metadata lock" was introduced
// to synchronize threads that open, close, call info(), etc on tables.
// In these versions, we don't need the key_file lock
#if MYSQL_VERSION_ID < 50500
#define HA_TOKUDB_NEEDS_KEY_FILE_LOCK
#endif

extern ulong tokudb_debug;

//
// returns maximum length of dictionary name, such as key-NAME
// NAME_CHAR_LEN is max length of the key name, and have upper bound of 10 for key-
//
#define MAX_DICT_NAME_LEN NAME_CHAR_LEN + 10

// QQQ how to tune these?
#define HA_TOKUDB_RANGE_COUNT   100
/* extra rows for estimate_rows_upper_bound() */
#define HA_TOKUDB_EXTRA_ROWS    100

/* Bits for share->status */
#define STATUS_PRIMARY_KEY_INIT 0x1

// tokudb debug tracing
#define TOKUDB_DEBUG_INIT 1
#define TOKUDB_DEBUG_OPEN 2
#define TOKUDB_DEBUG_ENTER 4
#define TOKUDB_DEBUG_RETURN 8
#define TOKUDB_DEBUG_ERROR 16
#define TOKUDB_DEBUG_TXN 32
#define TOKUDB_DEBUG_AUTO_INCREMENT 64
#define TOKUDB_DEBUG_LOCK 256
#define TOKUDB_DEBUG_LOCKRETRY 512
#define TOKUDB_DEBUG_CHECK_KEY 1024
#define TOKUDB_DEBUG_HIDE_DDL_LOCK_ERRORS 2048
#define TOKUDB_DEBUG_ALTER_TABLE_INFO 4096
#define TOKUDB_DEBUG_UPSERT 8192
#define TOKUDB_DEBUG_CHECK (1<<14)
#define TOKUDB_DEBUG_ANALYZE (1<<15)

#define TOKUDB_TRACE(f, ...) \
    fprintf(stderr,"%d:%s:%d:" f, my_tid(), __FILE__, __LINE__, ##__VA_ARGS__);


static inline unsigned int my_tid() {
    return (unsigned int)toku_os_gettid();
}



#define TOKUDB_DBUG_ENTER(f, ...)      \
{ \
    if (tokudb_debug & TOKUDB_DEBUG_ENTER) { \
        TOKUDB_TRACE(f "\n", ##__VA_ARGS__); \
    } \
} \
    DBUG_ENTER(__FUNCTION__);


#define TOKUDB_DBUG_RETURN(r) \
{ \
    int rr = (r); \
    if ((tokudb_debug & TOKUDB_DEBUG_RETURN) || (rr != 0 && (tokudb_debug & TOKUDB_DEBUG_ERROR))) { \
        TOKUDB_TRACE("%s:return %d\n", __FUNCTION__, rr); \
    } \
    DBUG_RETURN(rr); \
}

#define TOKUDB_DBUG_DUMP(s, p, len) \
{ \
    TOKUDB_TRACE("%s:%s", __FUNCTION__, s); \
    uint i;                                                             \
    for (i=0; i<len; i++) {                                             \
        printf("%2.2x", ((uchar*)p)[i]);                                \
    }                                                                   \
    printf("\n");                                                       \
}


typedef enum {
    hatoku_iso_not_set = 0,
    hatoku_iso_read_uncommitted,
    hatoku_iso_read_committed,
    hatoku_iso_repeatable_read,
    hatoku_iso_serializable
} HA_TOKU_ISO_LEVEL;



typedef struct st_tokudb_stmt_progress {
    ulonglong inserted;
    ulonglong updated;
    ulonglong deleted;
    ulonglong queried;
    bool using_loader;
} tokudb_stmt_progress;


typedef struct st_tokudb_trx_data {
    DB_TXN *all;
    DB_TXN *stmt;
    DB_TXN *sp_level;
    DB_TXN *sub_sp_level;
    uint tokudb_lock_count;
    tokudb_stmt_progress stmt_progress;
    bool checkpoint_lock_taken;
} tokudb_trx_data;

struct ha_table_option_struct
{
  uint row_format;
};

struct ha_index_option_struct
{
  bool clustering;
};

extern char *tokudb_data_dir;
extern const char *ha_tokudb_ext;

static inline void reset_stmt_progress (tokudb_stmt_progress* val) {
    val->deleted = 0;
    val->inserted = 0;
    val->updated = 0;
    val->queried = 0;
}

static inline int get_name_length(const char *name) {
    int n = 0;
    const char *newname = name;
    n += strlen(newname);
    n += strlen(ha_tokudb_ext);
    return n;
}

//
// returns maximum length of path to a dictionary
//
static inline int get_max_dict_name_path_length(const char *tablename) {
    int n = 0;
    n += get_name_length(tablename);
    n += 1; //for the '-'
    n += MAX_DICT_NAME_LEN;
    return n;
}

static inline void make_name(char *newname, const char *tablename, const char *dictname) {
    const char *newtablename = tablename;
    char *nn = newname;
    assert(tablename);
    assert(dictname);
    nn += sprintf(nn, "%s", newtablename);
    nn += sprintf(nn, "-%s", dictname);
}

static inline void commit_txn(DB_TXN* txn, uint32_t flags) {
    if (tokudb_debug & TOKUDB_DEBUG_TXN)
        TOKUDB_TRACE("commit_txn %p\n", txn);
    int r = txn->commit(txn, flags);
    if (r != 0) {
        sql_print_error("tried committing transaction %p and got error code %d", txn, r);
    }
    assert(r == 0);
}

static inline void abort_txn(DB_TXN* txn) {
    if (tokudb_debug & TOKUDB_DEBUG_TXN)
        TOKUDB_TRACE("abort_txn %p\n", txn);
    int r = txn->abort(txn);
    if (r != 0) {
        sql_print_error("tried aborting transaction %p and got error code %d", txn, r);
    }
    assert(r == 0);
}

/* The purpose of this file is to define assert() for use by the handlerton.
 * The intention is for a failed handlerton assert to invoke a failed assert
 * in the fractal tree layer, which dumps engine status to the error log.
 */

void toku_hton_assert_fail(const char*/*expr_as_string*/,const char */*fun*/,const char*/*file*/,int/*line*/, int/*errno*/) __attribute__((__visibility__("default"))) __attribute__((__noreturn__));

#undef assert  
#define assert(expr)      ((expr)      ? (void)0 : toku_hton_assert_fail(#expr, __FUNCTION__, __FILE__, __LINE__, errno))

#endif