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/*
Copyright (C) 2010 Stewart Smith
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLUGIN_EMBEDDED_INNODB_EMBEDDED_INNODB_ENGINE_H
#define PLUGIN_EMBEDDED_INNODB_EMBEDDED_INNODB_ENGINE_H
#include <drizzled/cursor.h>
#include <drizzled/atomics.h>
class EmbeddedInnoDBTableShare
{
public:
EmbeddedInnoDBTableShare(const char* name, bool hidden_primary_key);
drizzled::THR_LOCK lock;
int use_count;
std::string table_name;
drizzled::atomic<uint64_t> auto_increment_value;
drizzled::atomic<uint64_t> hidden_pkey_auto_increment_value;
bool has_hidden_primary_key;
};
class EmbeddedInnoDBCursor: public drizzled::Cursor
{
public:
EmbeddedInnoDBCursor(drizzled::plugin::StorageEngine &engine, drizzled::TableShare &table_arg);
~EmbeddedInnoDBCursor()
{}
/*
The name of the index type that will be used for display
don't implement this method unless you really have indexes
*/
const char *index_type(uint32_t key_number);
uint32_t index_flags(uint32_t inx) const;
int open(const char *name, int mode, uint32_t test_if_locked);
int close(void);
int external_lock(drizzled::Session* session, int lock_type);
int doInsertRecord(unsigned char * buf);
int doStartTableScan(bool scan);
int rnd_next(unsigned char *buf);
int doEndTableScan();
int rnd_pos(unsigned char * buf, unsigned char *pos);
int doStartIndexScan(uint32_t, bool);
int index_read(unsigned char *buf, const unsigned char *key_ptr,
uint32_t key_len, drizzled::ha_rkey_function find_flag);
int innodb_index_read(unsigned char *buf,
const unsigned char *key_ptr,
uint32_t key_len,
drizzled::ha_rkey_function find_flag,
bool allocate_blobs);
uint32_t calculate_key_len(uint32_t key_position,
drizzled::key_part_map keypart_map_arg);
int innodb_index_read_map(unsigned char * buf,
const unsigned char *key,
drizzled::key_part_map keypart_map,
drizzled::ha_rkey_function find_flag,
bool allocate_blobs);
int index_read_idx_map(unsigned char * buf,
uint32_t index,
const unsigned char * key,
drizzled::key_part_map keypart_map,
drizzled::ha_rkey_function find_flag);
int index_next(unsigned char * buf);
int doEndIndexScan();
int index_prev(unsigned char * buf);
int index_first(unsigned char * buf);
int index_last(unsigned char * buf);
void position(const unsigned char *record);
int info(uint32_t flag);
double scan_time();
int doDeleteRecord(const unsigned char *);
int delete_all_rows(void);
int doUpdateRecord(const unsigned char * old_data, unsigned char * new_data);
int extra(drizzled::ha_extra_function operation);
EmbeddedInnoDBTableShare *get_share(const char *table_name,
bool has_hidden_primary_key,
int *rc);
int free_share();
EmbeddedInnoDBTableShare *share;
drizzled::THR_LOCK_DATA lock; /* lock for store_lock. this is ass. */
drizzled::THR_LOCK_DATA **store_lock(drizzled::Session *,
drizzled::THR_LOCK_DATA **to,
drizzled::thr_lock_type);
uint64_t getInitialAutoIncrementValue();
uint64_t getHiddenPrimaryKeyInitialAutoIncrementValue();
void get_auto_increment(uint64_t ,
uint64_t ,
uint64_t ,
uint64_t *first_value,
uint64_t *nb_reserved_values);
int reset();
private:
ib_crsr_t cursor;
ib_tpl_t tuple;
bool advance_cursor;
ib_lck_mode_t ib_lock_mode;
int previous_error;
bool write_can_replace;
uint64_t hidden_autoinc_pkey_position;
drizzled::memory::Root *blobroot;
bool in_table_scan;
};
#endif /* PLUGIN_EMBEDDED_INNODB_EMBEDDED_INNODB_ENGINE_H */
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