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plugin/myisam/myisam_priv.h
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/* This file is included by all internal myisam files */
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#ifndef MYISAMDEF_H
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#define MYISAMDEF_H
 
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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 <drizzled/global.h>
 
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#include "config.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 <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/my_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 <drizzled/common.h>
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#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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#undef my_write                         /* undef map from my_nosys; We need test-if-disk full */
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#endif
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#ifdef  __cplusplus
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extern "C" {
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#endif
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typedef struct st_mi_status_info
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{
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  ha_rows records;                      /* Rows in table */
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  ha_rows del;                          /* Removed rows */
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  my_off_t empty;                       /* lost space in datafile */
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  my_off_t key_empty;                   /* lost space in indexfile */
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  my_off_t key_file_length;
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  my_off_t data_file_length;
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  ha_checksum checksum;
 
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  drizzled::ha_rows records;                    /* Rows in table */
 
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  drizzled::ha_rows del;                                /* Removed rows */
 
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  drizzled::internal::my_off_t empty;                   /* lost space in datafile */
 
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  drizzled::internal::my_off_t key_empty;                       /* lost space in indexfile */
 
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  drizzled::internal::my_off_t key_file_length;
 
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  drizzled::internal::my_off_t data_file_length;
 
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  drizzled::internal::ha_checksum checksum;
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} MI_STATUS_INFO;
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typedef struct st_mi_state_info
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  } header;
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  MI_STATUS_INFO state;
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  ha_rows split;                        /* number of split blocks */
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  my_off_t dellink;                     /* Link to next removed block */
 
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  drizzled::ha_rows split;                      /* number of split blocks */
 
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  drizzled::internal::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 */
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  ulong unique;                         /* Unique number for this process */
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  ulong update_count;                   /* Updated for each write lock */
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  ulong status;
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  ulong *rec_per_key_part;
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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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  drizzled::internal::my_off_t *key_root;                       /* Start of key trees */
 
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  drizzled::internal::my_off_t *key_del;                        /* delete links for trees */
 
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  drizzled::internal::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 */
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  ha_checksum checksum;                 /* Table checksum */
 
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  drizzled::internal::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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typedef struct st_mi_base_info
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{
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  my_off_t keystart;                    /* Start of keys */
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  my_off_t max_data_file_length;
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  my_off_t max_key_file_length;
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  my_off_t margin_key_file_length;
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  ha_rows records,reloc;                /* Create information */
 
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  drizzled::internal::my_off_t keystart;                        /* Start of keys */
 
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  drizzled::internal::my_off_t max_data_file_length;
 
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  drizzled::internal::my_off_t max_key_file_length;
 
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  drizzled::internal::my_off_t margin_key_file_length;
 
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  drizzled::ha_rows records,reloc;              /* Create information */
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  ulong mean_row_length;                /* Create information */
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  ulong reclength;                      /* length of unpacked record */
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  ulong pack_reclength;                 /* Length of full packed rec. */
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#define MAX_NONMAPPED_INSERTS 1000
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class Session;
 
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namespace drizzled { class Session; }
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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 */
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  HA_KEYSEG *keyparts;                  /* key part info */
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  MI_COLUMNDEF *rec;                    /* Pointer to field information */
 
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  drizzled::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 */
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  std::list<Session *> *in_use;         /* List of threads using this table */
 
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  std::list<drizzled::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 */
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  KEY_CACHE *key_cache;                 /* ref to the current key cache */
 
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  drizzled::KEY_CACHE *key_cache;                       /* ref to the current key cache */
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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*, my_off_t, unsigned char*);
 
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  int (*read_record)(struct st_myisam_info*, drizzled::internal::my_off_t, unsigned char*);
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  int (*write_record)(struct st_myisam_info*, const unsigned char*);
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  int (*update_record)(struct st_myisam_info*, my_off_t, const unsigned char*);
 
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  int (*update_record)(struct st_myisam_info*, drizzled::internal::my_off_t, const unsigned char*);
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  int (*delete_record)(struct st_myisam_info*);
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  int (*read_rnd)(struct st_myisam_info*, unsigned char*, my_off_t, bool);
 
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  int (*read_rnd)(struct st_myisam_info*, unsigned char*, drizzled::internal::my_off_t, bool);
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  int (*compare_record)(struct st_myisam_info*, const unsigned char *);
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  /* Function to use for a row checksum. */
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  ha_checksum (*calc_checksum)(struct st_myisam_info*, const unsigned char *);
 
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  drizzled::internal::ha_checksum (*calc_checksum)(struct st_myisam_info*, const unsigned char *);
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  int (*compare_unique)(struct st_myisam_info*, MI_UNIQUEDEF *,
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                        const unsigned char *record, my_off_t pos);
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  size_t (*file_read)(MI_INFO *, unsigned char *, size_t, my_off_t, myf);
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  size_t (*file_write)(MI_INFO *, const unsigned char *, size_t, my_off_t, myf);
 
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                        const unsigned char *record, drizzled::internal::my_off_t pos);
 
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  size_t (*file_read)(MI_INFO *, unsigned char *, size_t, drizzled::internal::my_off_t, drizzled::myf);
 
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  size_t (*file_write)(MI_INFO *, const unsigned char *, size_t, drizzled::internal::my_off_t, drizzled::myf);
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  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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  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;
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  File  kfile;                          /* Shared keyfile */
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  File  data_file;                      /* Shared data file */
 
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  int   kfile;                          /* Shared keyfile */
 
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  int   data_file;                      /* Shared data file */
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  int   mode;                           /* mode of file on open */
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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 */
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  myf write_flag;
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  enum data_file_type data_file_type;
 
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  drizzled::myf write_flag;
 
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  enum drizzled::data_file_type data_file_type;
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  /* Below flag is needed to make log tables work with concurrent insert */
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  bool is_log_table;
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    not_flushed,
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    temporary,delay_key_write,
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    concurrent_insert;
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  THR_LOCK lock;
 
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  drizzled::THR_LOCK lock;
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  pthread_mutex_t intern_lock;          /* Locking for use with _locking */
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  pthread_rwlock_t *key_root_lock;
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  my_off_t mmaped_length;
 
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  drizzled::internal::my_off_t mmaped_length;
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  uint32_t     nonmmaped_inserts;           /* counter of writing in non-mmaped
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                                           area */
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  pthread_rwlock_t mmap_lock;
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  MI_BLOB     *blobs;                   /* Pointer to blobs */
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  MI_BIT_BUFF  bit_buff;
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  /* accumulate indexfile changes between write's */
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  TREE          *bulk_insert;
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  Session *in_use;                      /* Thread using this table          */
 
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  drizzled::TREE                *bulk_insert;
 
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  drizzled::Session *in_use;                      /* Thread using this table          */
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  char *filename;                       /* parameter to open filename       */
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  unsigned char *buff,                          /* Temp area for key                */
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        *lastkey,*lastkey2;             /* Last used search key             */
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        *int_maxpos;                    /*  -""-  */
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  uint32_t  int_nod_flag;                       /*  -""-  */
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  uint32_t int_keytree_version;         /*  -""-  */
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  int (*read_record)(struct st_myisam_info*, my_off_t, unsigned char*);
 
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  int (*read_record)(struct st_myisam_info*, drizzled::internal::my_off_t, unsigned char*);
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  ulong this_unique;                    /* uniq filenumber or thread */
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  ulong last_unique;                    /* last unique number */
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  ulong this_loop;                      /* counter for this open */
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  ulong last_loop;                      /* last used counter */
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  my_off_t lastpos,                     /* Last record position */
 
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  drizzled::internal::my_off_t lastpos,                 /* Last record position */
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        nextpos;                        /* Position to next record */
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  my_off_t save_lastpos;
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  my_off_t pos;                         /* Intern variable */
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  my_off_t last_keypage;                /* Last key page read */
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  my_off_t last_search_keypage;         /* Last keypage when searching */
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  my_off_t dupp_key_pos;
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  ha_checksum checksum;                 /* Temp storage for row checksum */
 
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  drizzled::internal::my_off_t save_lastpos;
 
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  drizzled::internal::my_off_t pos;                             /* Intern variable */
 
268
  drizzled::internal::my_off_t last_keypage;            /* Last key page read */
 
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  drizzled::internal::my_off_t last_search_keypage;             /* Last keypage when searching */
 
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  drizzled::internal::my_off_t dupp_key_pos;
 
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  drizzled::internal::ha_checksum checksum;                 /* Temp storage for row checksum */
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  /* QQ: the folloing two xxx_length fields should be removed,
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     as they are not compatible with parallel repair */
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  ulong packed_length,blob_length;      /* Length of found, packed record */
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  int   lastinx;                        /* Last used index */
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  uint  lastkey_length;                 /* Length of key in lastkey */
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  uint  last_rkey_length;               /* Last length in mi_rkey() */
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  enum ha_rkey_function last_key_func;  /* CONTAIN, OVERLAP, etc */
 
281
  enum drizzled::ha_rkey_function last_key_func;  /* CONTAIN, OVERLAP, etc */
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  uint32_t  save_lastkey_length;
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  uint32_t  pack_key_length;                /* For MYISAMMRG */
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  uint16_t last_used_keyseg;              /* For MyISAMMRG */
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  uint  data_changed;                   /* Somebody has changed data */
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  uint  save_update;                    /* When using KEY_READ */
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  int   save_lastinx;
293
 
  IO_CACHE rec_cache;                   /* When cacheing records */
 
291
  drizzled::internal::IO_CACHE rec_cache;                       /* When cacheing records */
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  uint32_t  preload_buff_size;              /* When preloading indexes */
295
 
  myf lock_wait;                        /* is 0 or MY_DONT_WAIT */
 
293
  drizzled::myf lock_wait;                      /* is 0 or MY_DONT_WAIT */
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  bool was_locked;                      /* Was locked in panic */
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  bool append_insert_at_end;            /* Set if concurrent insert */
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  bool quick_mode;
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  index_cond_func_t index_cond_func;   /* Index condition function */
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  void *index_cond_func_arg;           /* parameter for the func */
305
 
  THR_LOCK_DATA lock;
 
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  drizzled::THR_LOCK_DATA lock;
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  unsigned char  *rtree_recursion_state;        /* For RTREE */
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  int     rtree_recursion_depth;
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};
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310
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typedef struct st_buffpek {
311
 
  my_off_t file_pos;                    /* Where we are in the sort file */
 
309
  off_t file_pos;                    /* Where we are in the sort file */
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  unsigned char *base,*key;                     /* Key pointers */
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  ha_rows count;                        /* Number of rows in table */
 
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  drizzled::ha_rows count;                        /* Number of rows in table */
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  ulong mem_count;                      /* numbers of keys in memory */
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  ulong max_keys;                       /* Max keys in buffert */
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} BUFFPEK;
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typedef struct st_mi_sort_param
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{
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  pthread_t  thr;
321
 
  IO_CACHE read_cache, tempfile, tempfile_for_exceptions;
322
 
  DYNAMIC_ARRAY buffpek;
 
319
  drizzled::internal::IO_CACHE read_cache, tempfile, tempfile_for_exceptions;
 
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  drizzled::DYNAMIC_ARRAY buffpek;
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  MI_BIT_BUFF   bit_buff;               /* For parallel repair of packrec. */
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  /*
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  uint64_t unique[MI_MAX_KEY_SEG+1];
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  uint64_t notnull[MI_MAX_KEY_SEG+1];
331
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332
 
  my_off_t pos,max_pos,filepos,start_recpos;
 
330
  drizzled::internal::my_off_t pos,max_pos,filepos,start_recpos;
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  uint32_t key, key_length,real_key_length,sortbuff_size;
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  uint32_t maxbuffers, keys, find_length, sort_keys_length;
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  bool fix_datafile, master;
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  unsigned char **sort_keys;
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  unsigned char *rec_buff;
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  void *wordlist, *wordptr;
343
 
  MEM_ROOT wordroot;
 
341
  drizzled::memory::Root wordroot;
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  unsigned char *record;
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  int (*key_cmp)(struct st_mi_sort_param *, const void *, const void *);
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  int (*key_read)(struct st_mi_sort_param *,void *);
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  int (*key_write)(struct st_mi_sort_param *, const void *);
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  void (*lock_in_memory)(MI_CHECK *);
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  int (*write_keys)(struct st_mi_sort_param *, register 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 *,
 
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                     uint32_t , struct st_buffpek *, drizzled::internal::IO_CACHE *);
 
349
  unsigned int (*read_to_buffer)(drizzled::internal::IO_CACHE *,struct st_buffpek *, uint);
 
350
  int (*write_key)(struct st_mi_sort_param *, drizzled::internal::IO_CACHE *,unsigned char *,
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                       uint, uint);
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} MI_SORT_PARAM;
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        /* Prototypes for intern functions */
488
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489
 
extern int _mi_read_dynamic_record(MI_INFO *info,my_off_t filepos,unsigned char *buf);
 
487
extern int _mi_read_dynamic_record(MI_INFO *info,drizzled::internal::my_off_t filepos,unsigned char *buf);
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extern int _mi_write_dynamic_record(MI_INFO*, const unsigned char*);
491
 
extern int _mi_update_dynamic_record(MI_INFO*, my_off_t, const unsigned char*);
 
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extern int _mi_update_dynamic_record(MI_INFO*, drizzled::internal::my_off_t, const unsigned char*);
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extern int _mi_delete_dynamic_record(MI_INFO *info);
493
491
extern int _mi_cmp_dynamic_record(MI_INFO *info,const unsigned char *record);
494
 
extern int _mi_read_rnd_dynamic_record(MI_INFO *, unsigned char *,my_off_t, bool);
 
492
extern int _mi_read_rnd_dynamic_record(MI_INFO *, unsigned char *,drizzled::internal::my_off_t, bool);
495
493
extern int _mi_write_blob_record(MI_INFO*, const unsigned char*);
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);
 
494
extern int _mi_update_blob_record(MI_INFO*, drizzled::internal::my_off_t, const unsigned char*);
 
495
extern int _mi_read_static_record(MI_INFO *info, drizzled::internal::my_off_t filepos,unsigned char *buf);
498
496
extern int _mi_write_static_record(MI_INFO*, const unsigned char*);
499
 
extern int _mi_update_static_record(MI_INFO*, my_off_t, const unsigned char*);
 
497
extern int _mi_update_static_record(MI_INFO*, drizzled::internal::my_off_t, const unsigned char*);
500
498
extern int _mi_delete_static_record(MI_INFO *info);
501
499
extern int _mi_cmp_static_record(MI_INFO *info,const unsigned char *record);
502
 
extern int _mi_read_rnd_static_record(MI_INFO*, unsigned char *,my_off_t, bool);
 
500
extern int _mi_read_rnd_static_record(MI_INFO*, unsigned char *,drizzled::internal::my_off_t, bool);
503
501
extern int _mi_ck_write(MI_INFO *info,uint32_t keynr,unsigned char *key,uint32_t length);
504
502
extern int _mi_ck_real_write_btree(MI_INFO *info, MI_KEYDEF *keyinfo,
505
503
                                   unsigned char *key, uint32_t key_length,
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);
 
504
                                   drizzled::internal::my_off_t *root, uint32_t comp_flag);
 
505
extern int _mi_enlarge_root(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key, drizzled::internal::my_off_t *root);
508
506
extern int _mi_insert(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key,
509
507
                      unsigned char *anc_buff,unsigned char *key_pos,unsigned char *key_buff,
510
508
                      unsigned char *father_buff, unsigned char *father_keypos,
511
 
                      my_off_t father_page, bool insert_last);
 
509
                      drizzled::internal::my_off_t father_page, bool insert_last);
512
510
extern int _mi_split_page(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key,
513
511
                          unsigned char *buff,unsigned char *key_buff, bool insert_last);
514
512
extern unsigned char *_mi_find_half_pos(uint32_t nod_flag,MI_KEYDEF *keyinfo,unsigned char *page,
549
547
extern int _mi_decrement_open_count(MI_INFO *info);
550
548
extern int _mi_check_index(MI_INFO *info,int inx);
551
549
extern int _mi_search(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key,uint32_t key_len,
552
 
                      uint32_t nextflag,my_off_t pos);
 
550
                      uint32_t nextflag,drizzled::internal::my_off_t pos);
553
551
extern int _mi_bin_search(struct st_myisam_info *info,MI_KEYDEF *keyinfo,
554
552
                          unsigned char *page,unsigned char *key,uint32_t key_len,uint32_t comp_flag,
555
553
                          unsigned char * *ret_pos,unsigned char *buff, bool *was_last_key);
559
557
extern int _mi_prefix_search(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *page,
560
558
                          unsigned char *key,uint32_t key_len,uint32_t comp_flag,
561
559
                          unsigned char **ret_pos,unsigned char *buff, bool *was_last_key);
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);
 
560
extern drizzled::internal::my_off_t _mi_kpos(uint32_t nod_flag,unsigned char *after_key);
 
561
extern void _mi_kpointer(MI_INFO *info,unsigned char *buff,drizzled::internal::my_off_t pos);
 
562
extern drizzled::internal::my_off_t _mi_dpos(MI_INFO *info, uint32_t nod_flag,unsigned char *after_key);
 
563
extern drizzled::internal::my_off_t _mi_rec_pos(MYISAM_SHARE *info, unsigned char *ptr);
 
564
void _mi_dpointer(MI_INFO *info, unsigned char *buff,drizzled::internal::my_off_t pos);
567
565
extern uint32_t _mi_get_static_key(MI_KEYDEF *keyinfo,uint32_t nod_flag,unsigned char * *page,
568
566
                               unsigned char *key);
569
567
extern uint32_t _mi_get_pack_key(MI_KEYDEF *keyinfo,uint32_t nod_flag,unsigned char * *page,
580
578
                               HA_KEYSEG *end);
581
579
extern unsigned char *_mi_move_key(MI_KEYDEF *keyinfo,unsigned char *to,unsigned char *from);
582
580
extern int _mi_search_next(MI_INFO *info,MI_KEYDEF *keyinfo,unsigned char *key,
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,
 
581
                           uint32_t key_length,uint32_t nextflag,drizzled::internal::my_off_t pos);
 
582
extern int _mi_search_first(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t pos);
 
583
extern int _mi_search_last(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t pos);
 
584
extern unsigned char *_mi_fetch_keypage(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t page,
587
585
                                int level,unsigned char *buff,int return_buffer);
588
 
extern int _mi_write_keypage(MI_INFO *info,MI_KEYDEF *keyinfo,my_off_t page,
 
586
extern int _mi_write_keypage(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t page,
589
587
                             int level, unsigned char *buff);
590
 
extern int _mi_dispose(MI_INFO *info,MI_KEYDEF *keyinfo,my_off_t pos,
 
588
extern int _mi_dispose(MI_INFO *info,MI_KEYDEF *keyinfo,drizzled::internal::my_off_t pos,
591
589
                      int level);
592
 
extern my_off_t _mi_new(MI_INFO *info,MI_KEYDEF *keyinfo,int level);
 
590
extern drizzled::internal::my_off_t _mi_new(MI_INFO *info,MI_KEYDEF *keyinfo,int level);
593
591
extern uint32_t _mi_make_key(MI_INFO *info,uint32_t keynr,unsigned char *key,
594
 
                         const unsigned char *record,my_off_t filepos);
 
592
                         const unsigned char *record,drizzled::internal::my_off_t filepos);
595
593
extern uint32_t _mi_pack_key(register MI_INFO *info, uint32_t keynr, unsigned char *key,
596
 
                         unsigned char *old, key_part_map keypart_map,
 
594
                         unsigned char *old, drizzled::key_part_map keypart_map,
597
595
                         HA_KEYSEG **last_used_keyseg);
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,
 
596
extern int _mi_read_key_record(MI_INFO *info,drizzled::internal::my_off_t filepos,unsigned char *buf);
 
597
extern int _mi_read_cache(drizzled::internal::IO_CACHE *info,unsigned char *buff,drizzled::internal::my_off_t pos,
600
598
                          uint32_t length,int re_read_if_possibly);
601
599
extern uint64_t retrieve_auto_increment(MI_INFO *info,const unsigned char *record);
602
600
 
611
609
                            ulong reclength);
612
610
extern bool _mi_rec_check(MI_INFO *info,const unsigned char *record, unsigned char *packpos,
613
611
                             ulong packed_length, bool with_checkum);
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,
 
612
extern int _mi_write_part_record(MI_INFO *info,drizzled::internal::my_off_t filepos,ulong length,
 
613
                                 drizzled::internal::my_off_t next_filepos,unsigned char **record,
616
614
                                 ulong *reclength,int *flag);
617
615
extern void _mi_print_key(FILE *stream,HA_KEYSEG *keyseg,const unsigned char *key,
618
616
                          uint32_t length);
619
617
extern bool _mi_read_pack_info(MI_INFO *info,bool fix_keys);
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);
 
618
extern int _mi_read_pack_record(MI_INFO *info,drizzled::internal::my_off_t filepos,unsigned char *buf);
 
619
extern int _mi_read_rnd_pack_record(MI_INFO*, unsigned char *,drizzled::internal::my_off_t, bool);
622
620
extern int _mi_pack_rec_unpack(MI_INFO *info, MI_BIT_BUFF *bit_buff,
623
621
                               unsigned char *to, unsigned char *from, ulong reclength);
624
 
extern uint64_t mi_safe_mul(uint64_t a,uint64_t b);
625
622
 
626
623
struct st_sort_info;
627
624
 
632
629
  ulong data_len;
633
630
  ulong block_len;
634
631
  ulong blob_len;
635
 
  my_off_t filepos;
636
 
  my_off_t next_filepos;
637
 
  my_off_t prev_filepos;
 
632
  drizzled::internal::my_off_t filepos;
 
633
  drizzled::internal::my_off_t next_filepos;
 
634
  drizzled::internal::my_off_t prev_filepos;
638
635
  uint32_t second_read;
639
636
  uint32_t offset;
640
637
} MI_BLOCK_INFO;
651
648
#define NEED_MEM        ((uint) 10*4*(IO_SIZE+32)+32) /* Nead for recursion */
652
649
#define MAXERR                  20
653
650
#define BUFFERS_WHEN_SORTING    16              /* Alloc for sort-key-tree */
654
 
#define WRITE_COUNT             MY_HOW_OFTEN_TO_WRITE
 
651
#define WRITE_COUNT             1000
655
652
#define INDEX_TMP_EXT           ".TMM"
656
653
#define DATA_TMP_EXT            ".TMD"
657
654
 
669
666
#define fast_mi_writeinfo(INFO) if (!(INFO)->s->tot_locks) (void) _mi_writeinfo((INFO),0)
670
667
#define fast_mi_readinfo(INFO) ((INFO)->lock_type == F_UNLCK) && _mi_readinfo((INFO),F_RDLCK,1)
671
668
 
672
 
extern uint32_t _mi_get_block_info(MI_BLOCK_INFO *,File, my_off_t);
 
669
extern uint32_t _mi_get_block_info(MI_BLOCK_INFO *,int, drizzled::internal::my_off_t);
673
670
extern uint32_t _mi_rec_pack(MI_INFO *info,unsigned char *to,const unsigned char *from);
674
671
extern uint32_t _mi_pack_get_block_info(MI_INFO *myisam, MI_BIT_BUFF *bit_buff,
675
672
                                    MI_BLOCK_INFO *info, unsigned char **rec_buff_p,
676
 
                                    File file, my_off_t filepos);
 
673
                                    int file, drizzled::internal::my_off_t filepos);
677
674
extern void _my_store_blob_length(unsigned char *pos,uint32_t pack_length,uint32_t length);
678
675
extern void mi_report_error(int errcode, const char *file_name);
679
676
extern size_t mi_mmap_pread(MI_INFO *info, unsigned char *Buffer,
680
 
                            size_t Count, my_off_t offset, myf MyFlags);
 
677
                            size_t Count, drizzled::internal::my_off_t offset, drizzled::myf MyFlags);
681
678
extern size_t mi_mmap_pwrite(MI_INFO *info, const unsigned char *Buffer,
682
 
                             size_t Count, my_off_t offset, myf MyFlags);
 
679
                             size_t Count, drizzled::internal::my_off_t offset, drizzled::myf MyFlags);
683
680
extern size_t mi_nommap_pread(MI_INFO *info, unsigned char *Buffer,
684
 
                              size_t Count, my_off_t offset, myf MyFlags);
 
681
                              size_t Count, drizzled::internal::my_off_t offset, drizzled::myf MyFlags);
685
682
extern size_t mi_nommap_pwrite(MI_INFO *info, const unsigned char *Buffer,
686
 
                               size_t Count, my_off_t offset, myf MyFlags);
 
683
                               size_t Count, drizzled::internal::my_off_t offset, drizzled::myf MyFlags);
687
684
 
688
 
uint32_t mi_state_info_write(File file, MI_STATE_INFO *state, uint32_t pWrite);
689
 
unsigned char *mi_state_info_read(unsigned char *ptr, MI_STATE_INFO *state);
690
 
uint32_t mi_state_info_read_dsk(File file, MI_STATE_INFO *state, bool pRead);
691
 
uint32_t mi_base_info_write(File file, MI_BASE_INFO *base);
692
 
unsigned char *my_n_base_info_read(unsigned char *ptr, MI_BASE_INFO *base);
693
 
int mi_keyseg_write(File file, const HA_KEYSEG *keyseg);
694
 
unsigned char *mi_keyseg_read(unsigned char *ptr, HA_KEYSEG *keyseg);
695
 
uint32_t mi_keydef_write(File file, MI_KEYDEF *keydef);
696
 
unsigned char *mi_keydef_read(unsigned char *ptr, MI_KEYDEF *keydef);
697
 
uint32_t mi_uniquedef_write(File file, MI_UNIQUEDEF *keydef);
698
 
unsigned char *mi_uniquedef_read(unsigned char *ptr, MI_UNIQUEDEF *keydef);
699
 
uint32_t mi_recinfo_write(File file, MI_COLUMNDEF *recinfo);
700
 
unsigned char *mi_recinfo_read(unsigned char *ptr, MI_COLUMNDEF *recinfo);
 
685
uint32_t mi_state_info_write(int file, MI_STATE_INFO *state, uint32_t pWrite);
 
686
uint32_t mi_state_info_read_dsk(int file, MI_STATE_INFO *state, bool pRead);
 
687
uint32_t mi_base_info_write(int file, MI_BASE_INFO *base);
 
688
int mi_keyseg_write(int file, const HA_KEYSEG *keyseg);
 
689
uint32_t mi_keydef_write(int file, MI_KEYDEF *keydef);
 
690
uint32_t mi_uniquedef_write(int file, MI_UNIQUEDEF *keydef);
 
691
uint32_t mi_recinfo_write(int file, drizzled::MI_COLUMNDEF *recinfo);
701
692
extern int mi_disable_indexes(MI_INFO *info);
702
693
extern int mi_enable_indexes(MI_INFO *info);
703
694
extern int mi_indexes_are_disabled(MI_INFO *info);
704
695
ulong _my_calc_total_blob_length(MI_INFO *info, const unsigned char *record);
705
 
ha_checksum mi_checksum(MI_INFO *info, const unsigned char *buf);
706
 
ha_checksum mi_static_checksum(MI_INFO *info, const unsigned char *buf);
 
696
drizzled::internal::ha_checksum mi_checksum(MI_INFO *info, const unsigned char *buf);
 
697
drizzled::internal::ha_checksum mi_static_checksum(MI_INFO *info, const unsigned char *buf);
707
698
bool mi_check_unique(MI_INFO *info, MI_UNIQUEDEF *def, unsigned char *record,
708
 
                     ha_checksum unique_hash, my_off_t pos);
709
 
ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const unsigned char *buf);
 
699
                     drizzled::internal::ha_checksum unique_hash, drizzled::internal::my_off_t pos);
 
700
drizzled::internal::ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const unsigned char *buf);
710
701
int _mi_cmp_static_unique(MI_INFO *info, MI_UNIQUEDEF *def,
711
 
                           const unsigned char *record, my_off_t pos);
 
702
                           const unsigned char *record, drizzled::internal::my_off_t pos);
712
703
int _mi_cmp_dynamic_unique(MI_INFO *info, MI_UNIQUEDEF *def,
713
 
                           const unsigned char *record, my_off_t pos);
 
704
                           const unsigned char *record, drizzled::internal::my_off_t pos);
714
705
int mi_unique_comp(MI_UNIQUEDEF *def, const unsigned char *a, const unsigned char *b,
715
706
                   bool null_are_equal);
716
707
void mi_get_status(void* param, int concurrent_insert);
721
712
 
722
713
extern MI_INFO *test_if_reopen(char *filename);
723
714
bool check_table_is_closed(const char *name, const char *where);
724
 
int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, File file_to_dup);
 
715
int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, int file_to_dup);
725
716
int mi_open_keyfile(MYISAM_SHARE *share);
726
717
void mi_setup_functions(register MYISAM_SHARE *share);
727
 
bool mi_dynmap_file(MI_INFO *info, my_off_t size);
728
 
void mi_remap_file(MI_INFO *info, my_off_t size);
 
718
bool mi_dynmap_file(MI_INFO *info, drizzled::internal::my_off_t size);
 
719
void mi_remap_file(MI_INFO *info, drizzled::internal::my_off_t size);
729
720
 
730
721
int mi_check_index_cond(register MI_INFO *info, uint32_t keynr, unsigned char *record);
731
722
 
736
727
void mi_check_print_info(MI_CHECK *param, const char *fmt,...);
737
728
int flush_pending_blocks(MI_SORT_PARAM *param);
738
729
int thr_write_keys(MI_SORT_PARAM *sort_param);
739
 
pthread_handler_t thr_find_all_keys(void *arg);
740
 
int flush_blocks(MI_CHECK *param, KEY_CACHE *key_cache, File file);
 
730
/* needs extern "C" because we pass it to pthread_create */
 
731
extern "C" pthread_handler_t thr_find_all_keys(void *arg);
 
732
int flush_blocks(MI_CHECK *param, drizzled::KEY_CACHE *key_cache, int file);
741
733
 
742
734
int sort_write_record(MI_SORT_PARAM *sort_param);
743
735
int _create_index_by_sort(MI_SORT_PARAM *info,bool no_messages, size_t);
745
737
extern void mi_set_index_cond_func(MI_INFO *info, index_cond_func_t func,
746
738
                                   void *func_arg);
747
739
/* Just for myisam legacy */
748
 
extern size_t my_pwrite(File Filedes,const unsigned char *Buffer,size_t Count,
749
 
                      my_off_t offset,myf MyFlags);
750
 
extern size_t my_pread(File Filedes,unsigned char *Buffer,size_t Count,my_off_t offset,
751
 
                     myf MyFlags);
 
740
extern size_t my_pwrite(int Filedes,const unsigned char *Buffer,size_t Count,
 
741
                        drizzled::internal::my_off_t offset,drizzled::myf MyFlags);
 
742
extern size_t my_pread(int Filedes,unsigned char *Buffer,size_t Count,drizzled::internal::my_off_t offset,
 
743
                       drizzled::myf MyFlags);
752
744
 
753
745
/* Needed for handler */
754
 
void mi_disable_non_unique_index(MI_INFO *info, ha_rows rows);
 
746
void mi_disable_non_unique_index(MI_INFO *info, drizzled::ha_rows rows);
755
747
void _mi_report_crashed(MI_INFO *file, const char *message, const char *sfile,
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748
                        uint32_t sline);
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749
 
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#ifdef __cplusplus
759
 
}
760
 
#endif
761
 
 
762
 
 
763
 
#endif /* MYISAMDEF_H */
 
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#endif /* PLUGIN_MYISAM_MYISAM_PRIV_H */