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  • Committer: Brian Aker
  • Date: 2009-12-18 18:31:01 UTC
  • mfrom: (1241.2.7 build)
  • Revision ID: brian@gaz-20091218183101-igqg1dtowpa0o70s
Fixed from Monty.

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plugin/myisam/myisam_priv.h
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */
 
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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/* This file is included by all internal myisam files */
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#ifndef PLUGIN_MYISAM_MYISAM_PRIV_H
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#define PLUGIN_MYISAM_MYISAM_PRIV_H
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#include "config.h"
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#include <drizzled/global.h>
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#include "myisam.h"                     /* Structs & some defines */
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#include "myisampack.h"                 /* packing of keys */
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#include "drizzled/tree.h"
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#include "drizzled/internal/my_pthread.h"
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#include <drizzled/thr_lock.h>
 
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#include <mysys/my_tree.h>
 
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#include <mysys/my_pthread.h>
 
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#include <mysys/thr_lock.h>
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#include <drizzled/common.h>
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#include <drizzled/enum.h>
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31
 
#include <assert.h>
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#include <fcntl.h>
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#include <string.h>
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#include <list>
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36
 
#include <boost/thread/mutex.hpp>
37
 
 
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#if defined(my_write)
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#undef my_write                         /* undef map from my_nosys; We need test-if-disk full */
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#endif
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42
 
/* Typical key cash */
43
 
static const uint32_t KEY_CACHE_SIZE= 8*1024*1024;
44
 
 
45
 
/* Default size of a key cache block  */
46
 
static const uint32_t KEY_CACHE_BLOCK_SIZE= 1024;
 
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#ifdef  __cplusplus
 
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extern "C" {
 
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#endif
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48
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typedef struct st_mi_status_info
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{
50
 
  drizzled::ha_rows records;                    /* Rows in table */
51
 
  drizzled::ha_rows del;                                /* Removed rows */
52
 
  drizzled::internal::my_off_t empty;                   /* lost space in datafile */
53
 
  drizzled::internal::my_off_t key_empty;                       /* lost space in indexfile */
54
 
  drizzled::internal::my_off_t key_file_length;
55
 
  drizzled::internal::my_off_t data_file_length;
56
 
  drizzled::internal::ha_checksum checksum;
 
42
  ha_rows records;                      /* Rows in table */
 
43
  ha_rows del;                          /* Removed rows */
 
44
  my_off_t empty;                       /* lost space in datafile */
 
45
  my_off_t key_empty;                   /* lost space in indexfile */
 
46
  my_off_t key_file_length;
 
47
  my_off_t data_file_length;
 
48
  ha_checksum checksum;
57
49
} MI_STATUS_INFO;
58
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59
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typedef struct st_mi_state_info
76
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  } header;
77
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78
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  MI_STATUS_INFO state;
79
 
  drizzled::ha_rows split;                      /* number of split blocks */
80
 
  drizzled::internal::my_off_t dellink;                 /* Link to next removed block */
 
71
  ha_rows split;                        /* number of split blocks */
 
72
  my_off_t dellink;                     /* Link to next removed block */
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  uint64_t auto_increment;
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  ulong process;                        /* process that updated table last */
83
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  ulong unique;                         /* Unique number for this process */
84
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  ulong update_count;                   /* Updated for each write lock */
85
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  ulong status;
86
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  ulong *rec_per_key_part;
87
 
  drizzled::internal::my_off_t *key_root;                       /* Start of key trees */
88
 
  drizzled::internal::my_off_t *key_del;                        /* delete links for trees */
89
 
  drizzled::internal::my_off_t rec_per_key_rows;                /* Rows when calculating rec_per_key */
 
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  my_off_t *key_root;                   /* Start of key trees */
 
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  my_off_t *key_del;                    /* delete links for trees */
 
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  my_off_t rec_per_key_rows;            /* Rows when calculating rec_per_key */
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  ulong sec_index_changed;              /* Updated when new sec_index */
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  ulong sec_index_used;                 /* which extra index are in use */
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  uint64_t key_map;                     /* Which keys are in use */
94
 
  drizzled::internal::ha_checksum checksum;                 /* Table checksum */
 
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  ha_checksum checksum;                 /* Table checksum */
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  ulong version;                        /* timestamp of create */
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  time_t create_time;                   /* Time when created database */
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  time_t recover_time;                  /* Time for last recover */
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121
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typedef struct st_mi_base_info
122
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{
123
 
  drizzled::internal::my_off_t keystart;                        /* Start of keys */
124
 
  drizzled::internal::my_off_t max_data_file_length;
125
 
  drizzled::internal::my_off_t max_key_file_length;
126
 
  drizzled::internal::my_off_t margin_key_file_length;
127
 
  drizzled::ha_rows records,reloc;              /* Create information */
 
115
  my_off_t keystart;                    /* Start of keys */
 
116
  my_off_t max_data_file_length;
 
117
  my_off_t max_key_file_length;
 
118
  my_off_t margin_key_file_length;
 
119
  ha_rows records,reloc;                /* Create information */
128
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  ulong mean_row_length;                /* Create information */
129
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  ulong reclength;                      /* length of unpacked record */
130
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  ulong pack_reclength;                 /* Length of full packed rec. */
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171
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#define MAX_NONMAPPED_INSERTS 1000
172
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173
 
namespace drizzled { class Session; }
 
165
class Session;
174
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175
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typedef struct st_mi_isam_share {       /* Shared between opens */
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  MI_STATE_INFO state;
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  MI_KEYDEF  *keyinfo;                  /* Key definitions */
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  MI_UNIQUEDEF *uniqueinfo;             /* unique definitions */
181
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  HA_KEYSEG *keyparts;                  /* key part info */
182
 
  drizzled::MI_COLUMNDEF *rec;                  /* Pointer to field information */
 
174
  MI_COLUMNDEF *rec;                    /* Pointer to field information */
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  MI_PACK    pack;                      /* Data about packed records */
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  MI_BLOB    *blobs;                    /* Pointer to blobs */
185
 
  std::list<drizzled::Session *> *in_use;         /* List of threads using this table */
 
177
  std::list<Session *> *in_use;         /* List of threads using this table */
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  char  *unique_file_name;              /* realpath() of index file */
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  char  *data_file_name,                /* Resolved path names from symlinks */
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        *index_file_name;
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  unsigned char *file_map;                      /* mem-map of file if possible */
190
 
private:
191
 
  drizzled::KEY_CACHE key_cache;                        /* ref to the current key cache */
192
 
public:
193
 
  drizzled::KEY_CACHE *getKeyCache()
194
 
  {
195
 
    return &key_cache;
196
 
  }
197
 
 
198
 
  void setKeyCache();
199
 
 
 
182
  KEY_CACHE *key_cache;                 /* ref to the current key cache */
200
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  MI_DECODE_TREE *decode_trees;
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  uint16_t *decode_tables;
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  int (*read_record)(struct st_myisam_info*, drizzled::internal::my_off_t, unsigned char*);
 
185
  int (*read_record)(struct st_myisam_info*, my_off_t, unsigned char*);
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186
  int (*write_record)(struct st_myisam_info*, const unsigned char*);
204
 
  int (*update_record)(struct st_myisam_info*, drizzled::internal::my_off_t, const unsigned char*);
 
187
  int (*update_record)(struct st_myisam_info*, my_off_t, const unsigned char*);
205
188
  int (*delete_record)(struct st_myisam_info*);
206
 
  int (*read_rnd)(struct st_myisam_info*, unsigned char*, drizzled::internal::my_off_t, bool);
 
189
  int (*read_rnd)(struct st_myisam_info*, unsigned char*, my_off_t, bool);
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190
  int (*compare_record)(struct st_myisam_info*, const unsigned char *);
208
191
  /* Function to use for a row checksum. */
209
 
  drizzled::internal::ha_checksum (*calc_checksum)(struct st_myisam_info*, const unsigned char *);
 
192
  ha_checksum (*calc_checksum)(struct st_myisam_info*, const unsigned char *);
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193
  int (*compare_unique)(struct st_myisam_info*, MI_UNIQUEDEF *,
211
 
                        const unsigned char *record, drizzled::internal::my_off_t pos);
212
 
  size_t (*file_read)(MI_INFO *, unsigned char *, size_t, drizzled::internal::my_off_t, drizzled::myf);
213
 
  size_t (*file_write)(MI_INFO *, const unsigned char *, size_t, drizzled::internal::my_off_t, drizzled::myf);
 
194
                        const unsigned char *record, my_off_t pos);
 
195
  size_t (*file_read)(MI_INFO *, unsigned char *, size_t, my_off_t, myf);
 
196
  size_t (*file_write)(MI_INFO *, const unsigned char *, size_t, my_off_t, myf);
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197
  ulong this_process;                   /* processid */
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  ulong last_process;                   /* For table-change-check */
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  ulong last_version;                   /* Version on start */
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  uint64_t options;                     /* Options used */
 
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  ulong options;                        /* Options used */
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  ulong min_pack_length;                /* Theese are used by packed data */
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  ulong max_pack_length;
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  ulong state_diff_length;
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  uint  rec_reflength;                  /* rec_reflength in use now */
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  uint32_t  unique_name_length;
223
 
  int   kfile;                          /* Shared keyfile */
224
 
  int   data_file;                      /* Shared data file */
 
206
  File  kfile;                          /* Shared keyfile */
 
207
  File  data_file;                      /* Shared data file */
225
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  int   mode;                           /* mode of file on open */
226
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  uint  reopen;                         /* How many times reopened */
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  uint  w_locks,r_locks,tot_locks;      /* Number of read/write locks */
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  uint  blocksize;                      /* blocksize of keyfile */
229
 
  drizzled::myf write_flag;
230
 
  enum drizzled::data_file_type data_file_type;
 
212
  myf write_flag;
 
213
  enum data_file_type data_file_type;
231
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  /* Below flag is needed to make log tables work with concurrent insert */
232
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  bool is_log_table;
233
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236
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    not_flushed,
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    temporary,delay_key_write,
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    concurrent_insert;
239
 
  drizzled::internal::my_off_t mmaped_length;
 
222
  THR_LOCK lock;
 
223
  pthread_mutex_t intern_lock;          /* Locking for use with _locking */
 
224
  pthread_rwlock_t *key_root_lock;
 
225
  my_off_t mmaped_length;
240
226
  uint32_t     nonmmaped_inserts;           /* counter of writing in non-mmaped
241
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                                           area */
 
228
  pthread_rwlock_t mmap_lock;
242
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} MYISAM_SHARE;
243
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244
231
 
260
247
  MI_BLOB     *blobs;                   /* Pointer to blobs */
261
248
  MI_BIT_BUFF  bit_buff;
262
249
  /* accumulate indexfile changes between write's */
263
 
  drizzled::TREE                *bulk_insert;
264
 
  drizzled::Session *in_use;                      /* Thread using this table          */
 
250
  TREE          *bulk_insert;
 
251
  Session *in_use;                      /* Thread using this table          */
265
252
  char *filename;                       /* parameter to open filename       */
266
253
  unsigned char *buff,                          /* Temp area for key                */
267
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        *lastkey,*lastkey2;             /* Last used search key             */
271
258
        *int_maxpos;                    /*  -""-  */
272
259
  uint32_t  int_nod_flag;                       /*  -""-  */
273
260
  uint32_t int_keytree_version;         /*  -""-  */
274
 
  int (*read_record)(struct st_myisam_info*, drizzled::internal::my_off_t, unsigned char*);
 
261
  int (*read_record)(struct st_myisam_info*, my_off_t, unsigned char*);
275
262
  ulong this_unique;                    /* uniq filenumber or thread */
276
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  ulong last_unique;                    /* last unique number */
277
264
  ulong this_loop;                      /* counter for this open */
278
265
  ulong last_loop;                      /* last used counter */
279
 
  drizzled::internal::my_off_t lastpos,                 /* Last record position */
 
266
  my_off_t lastpos,                     /* Last record position */
280
267
        nextpos;                        /* Position to next record */
281
 
  drizzled::internal::my_off_t save_lastpos;
282
 
  drizzled::internal::my_off_t pos;                             /* Intern variable */
283
 
  drizzled::internal::my_off_t last_keypage;            /* Last key page read */
284
 
  drizzled::internal::my_off_t last_search_keypage;             /* Last keypage when searching */
285
 
  drizzled::internal::my_off_t dupp_key_pos;
286
 
  drizzled::internal::ha_checksum checksum;                 /* Temp storage for row checksum */
 
268
  my_off_t save_lastpos;
 
269
  my_off_t pos;                         /* Intern variable */
 
270
  my_off_t last_keypage;                /* Last key page read */
 
271
  my_off_t last_search_keypage;         /* Last keypage when searching */
 
272
  my_off_t dupp_key_pos;
 
273
  ha_checksum checksum;                 /* Temp storage for row checksum */
287
274
  /* QQ: the folloing two xxx_length fields should be removed,
288
275
     as they are not compatible with parallel repair */
289
276
  ulong packed_length,blob_length;      /* Length of found, packed record */
293
280
  int   lastinx;                        /* Last used index */
294
281
  uint  lastkey_length;                 /* Length of key in lastkey */
295
282
  uint  last_rkey_length;               /* Last length in mi_rkey() */
296
 
  enum drizzled::ha_rkey_function last_key_func;  /* CONTAIN, OVERLAP, etc */
 
283
  enum ha_rkey_function last_key_func;  /* CONTAIN, OVERLAP, etc */
297
284
  uint32_t  save_lastkey_length;
298
285
  uint32_t  pack_key_length;                /* For MYISAMMRG */
299
286
  uint16_t last_used_keyseg;              /* For MyISAMMRG */
303
290
  uint  data_changed;                   /* Somebody has changed data */
304
291
  uint  save_update;                    /* When using KEY_READ */
305
292
  int   save_lastinx;
306
 
  drizzled::internal::IO_CACHE rec_cache;                       /* When cacheing records */
 
293
  IO_CACHE rec_cache;                   /* When cacheing records */
307
294
  uint32_t  preload_buff_size;              /* When preloading indexes */
308
 
  drizzled::myf lock_wait;                      /* is 0 or MY_DONT_WAIT */
 
295
  myf lock_wait;                        /* is 0 or MY_DONT_WAIT */
309
296
  bool was_locked;                      /* Was locked in panic */
310
297
  bool append_insert_at_end;            /* Set if concurrent insert */
311
298
  bool quick_mode;
315
302
 
316
303
  index_cond_func_t index_cond_func;   /* Index condition function */
317
304
  void *index_cond_func_arg;           /* parameter for the func */
318
 
  drizzled::THR_LOCK_DATA lock;
 
305
  THR_LOCK_DATA lock;
319
306
  unsigned char  *rtree_recursion_state;        /* For RTREE */
320
307
  int     rtree_recursion_depth;
321
308
};
322
309
 
323
310
typedef struct st_buffpek {
324
 
  off_t file_pos;                    /* Where we are in the sort file */
 
311
  my_off_t file_pos;                    /* Where we are in the sort file */
325
312
  unsigned char *base,*key;                     /* Key pointers */
326
 
  drizzled::ha_rows count;                        /* Number of rows in table */
 
313
  ha_rows count;                        /* Number of rows in table */
327
314
  ulong mem_count;                      /* numbers of keys in memory */
328
315
  ulong max_keys;                       /* Max keys in buffert */
329
316
} BUFFPEK;
331
318
typedef struct st_mi_sort_param
332
319
{
333
320
  pthread_t  thr;
334
 
  drizzled::internal::IO_CACHE read_cache, tempfile, tempfile_for_exceptions;
335
 
  drizzled::DYNAMIC_ARRAY buffpek;
 
321
  IO_CACHE read_cache, tempfile, tempfile_for_exceptions;
 
322
  DYNAMIC_ARRAY buffpek;
336
323
  MI_BIT_BUFF   bit_buff;               /* For parallel repair of packrec. */
337
324
 
338
325
  /*
342
329
  uint64_t unique[MI_MAX_KEY_SEG+1];
343
330
  uint64_t notnull[MI_MAX_KEY_SEG+1];
344
331
 
345
 
  drizzled::internal::my_off_t pos,max_pos,filepos,start_recpos;
 
332
  my_off_t pos,max_pos,filepos,start_recpos;
346
333
  uint32_t key, key_length,real_key_length,sortbuff_size;
347
334
  uint32_t maxbuffers, keys, find_length, sort_keys_length;
348
335
  bool fix_datafile, master;
353
340
  unsigned char **sort_keys;
354
341
  unsigned char *rec_buff;
355
342
  void *wordlist, *wordptr;
356
 
  drizzled::memory::Root wordroot;
 
343
  MEM_ROOT wordroot;
357
344
  unsigned char *record;
358
345
  int (*key_cmp)(struct st_mi_sort_param *, const void *, const void *);
359
346
  int (*key_read)(struct st_mi_sort_param *,void *);
360
347
  int (*key_write)(struct st_mi_sort_param *, const void *);
361
348
  void (*lock_in_memory)(MI_CHECK *);
362
349
  int (*write_keys)(struct st_mi_sort_param *, register unsigned char **,
363
 
                     uint32_t , struct st_buffpek *, drizzled::internal::IO_CACHE *);
364
 
  unsigned int (*read_to_buffer)(drizzled::internal::IO_CACHE *,struct st_buffpek *, uint);
365
 
  int (*write_key)(struct st_mi_sort_param *, drizzled::internal::IO_CACHE *,unsigned char *,
 
350
                     uint32_t , struct st_buffpek *, IO_CACHE *);
 
351
  unsigned int (*read_to_buffer)(IO_CACHE *,struct st_buffpek *, uint);
 
352
  int (*write_key)(struct st_mi_sort_param *, IO_CACHE *,unsigned char *,
366
353
                       uint, uint);
367
354
} MI_SORT_PARAM;
368
355
 
474
461
#define MI_UNIQUE_HASH_TYPE     HA_KEYTYPE_ULONG_INT
475
462
#define mi_unique_store(A,B)    mi_int4store((A),(B))
476
463
 
477
 
extern boost::mutex THR_LOCK_myisam;
 
464
extern pthread_mutex_t THR_LOCK_myisam;
478
465
 
479
466
        /* Some extern variables */
480
467
 
499
486
 
500
487
        /* Prototypes for intern functions */
501
488
 
502
 
extern int _mi_read_dynamic_record(MI_INFO *info,drizzled::internal::my_off_t filepos,unsigned char *buf);
 
489
extern int _mi_read_dynamic_record(MI_INFO *info,my_off_t filepos,unsigned char *buf);
503
490
extern int _mi_write_dynamic_record(MI_INFO*, const unsigned char*);
504
 
extern int _mi_update_dynamic_record(MI_INFO*, drizzled::internal::my_off_t, const unsigned char*);
 
491
extern int _mi_update_dynamic_record(MI_INFO*, my_off_t, const unsigned char*);
505
492
extern int _mi_delete_dynamic_record(MI_INFO *info);
506
493
extern int _mi_cmp_dynamic_record(MI_INFO *info,const unsigned char *record);
507
 
extern int _mi_read_rnd_dynamic_record(MI_INFO *, unsigned char *,drizzled::internal::my_off_t, bool);
 
494
extern int _mi_read_rnd_dynamic_record(MI_INFO *, unsigned char *,my_off_t, bool);
508
495
extern int _mi_write_blob_record(MI_INFO*, const unsigned char*);
509
 
extern int _mi_update_blob_record(MI_INFO*, drizzled::internal::my_off_t, const unsigned char*);
510
 
extern int _mi_read_static_record(MI_INFO *info, drizzled::internal::my_off_t filepos,unsigned char *buf);
 
496
extern int _mi_update_blob_record(MI_INFO*, my_off_t, const unsigned char*);
 
497
extern int _mi_read_static_record(MI_INFO *info, my_off_t filepos,unsigned char *buf);
511
498
extern int _mi_write_static_record(MI_INFO*, const unsigned char*);
512
 
extern int _mi_update_static_record(MI_INFO*, drizzled::internal::my_off_t, const unsigned char*);
 
499
extern int _mi_update_static_record(MI_INFO*, my_off_t, const unsigned char*);
513
500
extern int _mi_delete_static_record(MI_INFO *info);
514
501
extern int _mi_cmp_static_record(MI_INFO *info,const unsigned char *record);
515
 
extern int _mi_read_rnd_static_record(MI_INFO*, unsigned char *,drizzled::internal::my_off_t, bool);
 
502
extern int _mi_read_rnd_static_record(MI_INFO*, unsigned char *,my_off_t, bool);
516
503
extern int _mi_ck_write(MI_INFO *info,uint32_t keynr,unsigned char *key,uint32_t length);
517
504
extern int _mi_ck_real_write_btree(MI_INFO *info, MI_KEYDEF *keyinfo,
518
505
                                   unsigned char *key, uint32_t key_length,
519
 
                                   drizzled::internal::my_off_t *root, uint32_t comp_flag);
520
 
extern int _mi_enlarge_root(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key, drizzled::internal::my_off_t *root);
 
506
                                   my_off_t *root, uint32_t comp_flag);
 
507
extern int _mi_enlarge_root(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key, my_off_t *root);
521
508
extern int _mi_insert(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key,
522
509
                      unsigned char *anc_buff,unsigned char *key_pos,unsigned char *key_buff,
523
510
                      unsigned char *father_buff, unsigned char *father_keypos,
524
 
                      drizzled::internal::my_off_t father_page, bool insert_last);
 
511
                      my_off_t father_page, bool insert_last);
525
512
extern int _mi_split_page(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key,
526
513
                          unsigned char *buff,unsigned char *key_buff, bool insert_last);
527
514
extern unsigned char *_mi_find_half_pos(uint32_t nod_flag,MI_KEYDEF *keyinfo,unsigned char *page,
562
549
extern int _mi_decrement_open_count(MI_INFO *info);
563
550
extern int _mi_check_index(MI_INFO *info,int inx);
564
551
extern int _mi_search(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key,uint32_t key_len,
565
 
                      uint32_t nextflag,drizzled::internal::my_off_t pos);
 
552
                      uint32_t nextflag,my_off_t pos);
566
553
extern int _mi_bin_search(struct st_myisam_info *info,MI_KEYDEF *keyinfo,
567
554
                          unsigned char *page,unsigned char *key,uint32_t key_len,uint32_t comp_flag,
568
555
                          unsigned char * *ret_pos,unsigned char *buff, bool *was_last_key);
572
559
extern int _mi_prefix_search(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *page,
573
560
                          unsigned char *key,uint32_t key_len,uint32_t comp_flag,
574
561
                          unsigned char **ret_pos,unsigned char *buff, bool *was_last_key);
575
 
extern drizzled::internal::my_off_t _mi_kpos(uint32_t nod_flag,unsigned char *after_key);
576
 
extern void _mi_kpointer(MI_INFO *info,unsigned char *buff,drizzled::internal::my_off_t pos);
577
 
extern drizzled::internal::my_off_t _mi_dpos(MI_INFO *info, uint32_t nod_flag,unsigned char *after_key);
578
 
extern drizzled::internal::my_off_t _mi_rec_pos(MYISAM_SHARE *info, unsigned char *ptr);
579
 
void _mi_dpointer(MI_INFO *info, unsigned char *buff,drizzled::internal::my_off_t pos);
 
562
extern my_off_t _mi_kpos(uint32_t nod_flag,unsigned char *after_key);
 
563
extern void _mi_kpointer(MI_INFO *info,unsigned char *buff,my_off_t pos);
 
564
extern my_off_t _mi_dpos(MI_INFO *info, uint32_t nod_flag,unsigned char *after_key);
 
565
extern my_off_t _mi_rec_pos(MYISAM_SHARE *info, unsigned char *ptr);
 
566
void _mi_dpointer(MI_INFO *info, unsigned char *buff,my_off_t pos);
580
567
extern uint32_t _mi_get_static_key(MI_KEYDEF *keyinfo,uint32_t nod_flag,unsigned char * *page,
581
568
                               unsigned char *key);
582
569
extern uint32_t _mi_get_pack_key(MI_KEYDEF *keyinfo,uint32_t nod_flag,unsigned char * *page,
593
580
                               HA_KEYSEG *end);
594
581
extern unsigned char *_mi_move_key(MI_KEYDEF *keyinfo,unsigned char *to,unsigned char *from);
595
582
extern int _mi_search_next(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key,
596
 
                           uint32_t key_length,uint32_t nextflag,drizzled::internal::my_off_t pos);
597
 
extern int _mi_search_first(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t pos);
598
 
extern int _mi_search_last(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t pos);
599
 
extern unsigned char *_mi_fetch_keypage(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t page,
 
583
                           uint32_t key_length,uint32_t nextflag,my_off_t pos);
 
584
extern int _mi_search_first(MI_INFO *info,MI_KEYDEF *keyinfo,my_off_t pos);
 
585
extern int _mi_search_last(MI_INFO *info,MI_KEYDEF *keyinfo,my_off_t pos);
 
586
extern unsigned char *_mi_fetch_keypage(MI_INFO *info,MI_KEYDEF *keyinfo,my_off_t page,
600
587
                                int level,unsigned char *buff,int return_buffer);
601
 
extern int _mi_write_keypage(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t page,
 
588
extern int _mi_write_keypage(MI_INFO *info,MI_KEYDEF *keyinfo,my_off_t page,
602
589
                             int level, unsigned char *buff);
603
 
extern int _mi_dispose(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t pos,
 
590
extern int _mi_dispose(MI_INFO *info,MI_KEYDEF *keyinfo,my_off_t pos,
604
591
                      int level);
605
 
extern drizzled::internal::my_off_t _mi_new(MI_INFO *info,MI_KEYDEF *keyinfo,int level);
 
592
extern my_off_t _mi_new(MI_INFO *info,MI_KEYDEF *keyinfo,int level);
606
593
extern uint32_t _mi_make_key(MI_INFO *info,uint32_t keynr,unsigned char *key,
607
 
                         const unsigned char *record,drizzled::internal::my_off_t filepos);
 
594
                         const unsigned char *record,my_off_t filepos);
608
595
extern uint32_t _mi_pack_key(register MI_INFO *info, uint32_t keynr, unsigned char *key,
609
 
                         unsigned char *old, drizzled::key_part_map keypart_map,
 
596
                         unsigned char *old, key_part_map keypart_map,
610
597
                         HA_KEYSEG **last_used_keyseg);
611
 
extern int _mi_read_key_record(MI_INFO *info,drizzled::internal::my_off_t filepos,unsigned char *buf);
612
 
extern int _mi_read_cache(drizzled::internal::IO_CACHE *info,unsigned char *buff,drizzled::internal::my_off_t pos,
 
598
extern int _mi_read_key_record(MI_INFO *info,my_off_t filepos,unsigned char *buf);
 
599
extern int _mi_read_cache(IO_CACHE *info,unsigned char *buff,my_off_t pos,
613
600
                          uint32_t length,int re_read_if_possibly);
614
601
extern uint64_t retrieve_auto_increment(MI_INFO *info,const unsigned char *record);
615
602
 
624
611
                            ulong reclength);
625
612
extern bool _mi_rec_check(MI_INFO *info,const unsigned char *record, unsigned char *packpos,
626
613
                             ulong packed_length, bool with_checkum);
627
 
extern int _mi_write_part_record(MI_INFO *info,drizzled::internal::my_off_t filepos,ulong length,
628
 
                                 drizzled::internal::my_off_t next_filepos,unsigned char **record,
 
614
extern int _mi_write_part_record(MI_INFO *info,my_off_t filepos,ulong length,
 
615
                                 my_off_t next_filepos,unsigned char **record,
629
616
                                 ulong *reclength,int *flag);
630
617
extern void _mi_print_key(FILE *stream,HA_KEYSEG *keyseg,const unsigned char *key,
631
618
                          uint32_t length);
632
619
extern bool _mi_read_pack_info(MI_INFO *info,bool fix_keys);
633
 
extern int _mi_read_pack_record(MI_INFO *info,drizzled::internal::my_off_t filepos,unsigned char *buf);
634
 
extern int _mi_read_rnd_pack_record(MI_INFO*, unsigned char *,drizzled::internal::my_off_t, bool);
 
620
extern int _mi_read_pack_record(MI_INFO *info,my_off_t filepos,unsigned char *buf);
 
621
extern int _mi_read_rnd_pack_record(MI_INFO*, unsigned char *,my_off_t, bool);
635
622
extern int _mi_pack_rec_unpack(MI_INFO *info, MI_BIT_BUFF *bit_buff,
636
623
                               unsigned char *to, unsigned char *from, ulong reclength);
637
624
 
644
631
  ulong data_len;
645
632
  ulong block_len;
646
633
  ulong blob_len;
647
 
  drizzled::internal::my_off_t filepos;
648
 
  drizzled::internal::my_off_t next_filepos;
649
 
  drizzled::internal::my_off_t prev_filepos;
 
634
  my_off_t filepos;
 
635
  my_off_t next_filepos;
 
636
  my_off_t prev_filepos;
650
637
  uint32_t second_read;
651
638
  uint32_t offset;
652
639
} MI_BLOCK_INFO;
681
668
#define fast_mi_writeinfo(INFO) if (!(INFO)->s->tot_locks) (void) _mi_writeinfo((INFO),0)
682
669
#define fast_mi_readinfo(INFO) ((INFO)->lock_type == F_UNLCK) && _mi_readinfo((INFO),F_RDLCK,1)
683
670
 
684
 
extern uint32_t _mi_get_block_info(MI_BLOCK_INFO *,int, drizzled::internal::my_off_t);
 
671
extern uint32_t _mi_get_block_info(MI_BLOCK_INFO *,File, my_off_t);
685
672
extern uint32_t _mi_rec_pack(MI_INFO *info,unsigned char *to,const unsigned char *from);
686
673
extern uint32_t _mi_pack_get_block_info(MI_INFO *myisam, MI_BIT_BUFF *bit_buff,
687
674
                                    MI_BLOCK_INFO *info, unsigned char **rec_buff_p,
688
 
                                    int file, drizzled::internal::my_off_t filepos);
 
675
                                    File file, my_off_t filepos);
689
676
extern void _my_store_blob_length(unsigned char *pos,uint32_t pack_length,uint32_t length);
690
677
extern void mi_report_error(int errcode, const char *file_name);
691
 
extern void mi_report_error(drizzled::error_t errcode, const char *file_name);
692
678
extern size_t mi_mmap_pread(MI_INFO *info, unsigned char *Buffer,
693
 
                            size_t Count, drizzled::internal::my_off_t offset, drizzled::myf MyFlags);
 
679
                            size_t Count, my_off_t offset, myf MyFlags);
694
680
extern size_t mi_mmap_pwrite(MI_INFO *info, const unsigned char *Buffer,
695
 
                             size_t Count, drizzled::internal::my_off_t offset, drizzled::myf MyFlags);
 
681
                             size_t Count, my_off_t offset, myf MyFlags);
696
682
extern size_t mi_nommap_pread(MI_INFO *info, unsigned char *Buffer,
697
 
                              size_t Count, drizzled::internal::my_off_t offset, drizzled::myf MyFlags);
 
683
                              size_t Count, my_off_t offset, myf MyFlags);
698
684
extern size_t mi_nommap_pwrite(MI_INFO *info, const unsigned char *Buffer,
699
 
                               size_t Count, drizzled::internal::my_off_t offset, drizzled::myf MyFlags);
 
685
                               size_t Count, my_off_t offset, myf MyFlags);
700
686
 
701
 
uint32_t mi_state_info_write(int file, MI_STATE_INFO *state, uint32_t pWrite);
702
 
uint32_t mi_state_info_read_dsk(int file, MI_STATE_INFO *state, bool pRead);
703
 
uint32_t mi_base_info_write(int file, MI_BASE_INFO *base);
704
 
int mi_keyseg_write(int file, const HA_KEYSEG *keyseg);
705
 
uint32_t mi_keydef_write(int file, MI_KEYDEF *keydef);
706
 
uint32_t mi_uniquedef_write(int file, MI_UNIQUEDEF *keydef);
707
 
uint32_t mi_recinfo_write(int file, drizzled::MI_COLUMNDEF *recinfo);
 
687
uint32_t mi_state_info_write(File file, MI_STATE_INFO *state, uint32_t pWrite);
 
688
uint32_t mi_state_info_read_dsk(File file, MI_STATE_INFO *state, bool pRead);
 
689
uint32_t mi_base_info_write(File file, MI_BASE_INFO *base);
 
690
int mi_keyseg_write(File file, const HA_KEYSEG *keyseg);
 
691
uint32_t mi_keydef_write(File file, MI_KEYDEF *keydef);
 
692
uint32_t mi_uniquedef_write(File file, MI_UNIQUEDEF *keydef);
 
693
uint32_t mi_recinfo_write(File file, MI_COLUMNDEF *recinfo);
708
694
extern int mi_disable_indexes(MI_INFO *info);
709
695
extern int mi_enable_indexes(MI_INFO *info);
710
696
extern int mi_indexes_are_disabled(MI_INFO *info);
711
697
ulong _my_calc_total_blob_length(MI_INFO *info, const unsigned char *record);
712
 
drizzled::internal::ha_checksum mi_checksum(MI_INFO *info, const unsigned char *buf);
713
 
drizzled::internal::ha_checksum mi_static_checksum(MI_INFO *info, const unsigned char *buf);
 
698
ha_checksum mi_checksum(MI_INFO *info, const unsigned char *buf);
 
699
ha_checksum mi_static_checksum(MI_INFO *info, const unsigned char *buf);
714
700
bool mi_check_unique(MI_INFO *info, MI_UNIQUEDEF *def, unsigned char *record,
715
 
                     drizzled::internal::ha_checksum unique_hash, drizzled::internal::my_off_t pos);
716
 
drizzled::internal::ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const unsigned char *buf);
 
701
                     ha_checksum unique_hash, my_off_t pos);
 
702
ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const unsigned char *buf);
717
703
int _mi_cmp_static_unique(MI_INFO *info, MI_UNIQUEDEF *def,
718
 
                           const unsigned char *record, drizzled::internal::my_off_t pos);
 
704
                           const unsigned char *record, my_off_t pos);
719
705
int _mi_cmp_dynamic_unique(MI_INFO *info, MI_UNIQUEDEF *def,
720
 
                           const unsigned char *record, drizzled::internal::my_off_t pos);
 
706
                           const unsigned char *record, my_off_t pos);
721
707
int mi_unique_comp(MI_UNIQUEDEF *def, const unsigned char *a, const unsigned char *b,
722
708
                   bool null_are_equal);
 
709
void mi_get_status(void* param, int concurrent_insert);
 
710
void mi_update_status(void* param);
 
711
void mi_restore_status(void* param);
 
712
void mi_copy_status(void* to,void *from);
 
713
bool mi_check_status(void* param);
723
714
 
724
715
extern MI_INFO *test_if_reopen(char *filename);
725
716
bool check_table_is_closed(const char *name, const char *where);
726
 
int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, int file_to_dup);
 
717
int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, File file_to_dup);
727
718
int mi_open_keyfile(MYISAM_SHARE *share);
728
719
void mi_setup_functions(register MYISAM_SHARE *share);
729
 
bool mi_dynmap_file(MI_INFO *info, drizzled::internal::my_off_t size);
730
 
void mi_remap_file(MI_INFO *info, drizzled::internal::my_off_t size);
 
720
bool mi_dynmap_file(MI_INFO *info, my_off_t size);
 
721
void mi_remap_file(MI_INFO *info, my_off_t size);
731
722
 
732
723
int mi_check_index_cond(register MI_INFO *info, uint32_t keynr, unsigned char *record);
733
724
 
738
729
void mi_check_print_info(MI_CHECK *param, const char *fmt,...);
739
730
int flush_pending_blocks(MI_SORT_PARAM *param);
740
731
int thr_write_keys(MI_SORT_PARAM *sort_param);
741
 
int flush_blocks(MI_CHECK *param, drizzled::KEY_CACHE *key_cache, int file);
 
732
pthread_handler_t thr_find_all_keys(void *arg);
 
733
int flush_blocks(MI_CHECK *param, KEY_CACHE *key_cache, File file);
742
734
 
743
735
int sort_write_record(MI_SORT_PARAM *sort_param);
744
736
int _create_index_by_sort(MI_SORT_PARAM *info,bool no_messages, size_t);
746
738
extern void mi_set_index_cond_func(MI_INFO *info, index_cond_func_t func,
747
739
                                   void *func_arg);
748
740
/* Just for myisam legacy */
749
 
extern size_t my_pwrite(int Filedes,const unsigned char *Buffer,size_t Count,
750
 
                        drizzled::internal::my_off_t offset,drizzled::myf MyFlags);
751
 
extern size_t my_pread(int Filedes,unsigned char *Buffer,size_t Count,drizzled::internal::my_off_t offset,
752
 
                       drizzled::myf MyFlags);
 
741
extern size_t my_pwrite(File Filedes,const unsigned char *Buffer,size_t Count,
 
742
                      my_off_t offset,myf MyFlags);
 
743
extern size_t my_pread(File Filedes,unsigned char *Buffer,size_t Count,my_off_t offset,
 
744
                     myf MyFlags);
753
745
 
754
746
/* Needed for handler */
755
 
void mi_disable_non_unique_index(MI_INFO *info, drizzled::ha_rows rows);
 
747
void mi_disable_non_unique_index(MI_INFO *info, ha_rows rows);
756
748
void _mi_report_crashed(MI_INFO *file, const char *message, const char *sfile,
757
749
                        uint32_t sline);
758
750
 
 
751
#ifdef __cplusplus
 
752
}
 
753
#endif
 
754
 
 
755
 
759
756
#endif /* PLUGIN_MYISAM_MYISAM_PRIV_H */