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Diffstat (limited to 'sql/examples/ha_archive.h')
| -rw-r--r-- | sql/examples/ha_archive.h | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/sql/examples/ha_archive.h b/sql/examples/ha_archive.h deleted file mode 100644 index e2d8aa49add..00000000000 --- a/sql/examples/ha_archive.h +++ /dev/null @@ -1,110 +0,0 @@ -/* Copyright (C) 2003 MySQL AB - - 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -#ifdef USE_PRAGMA_INTERFACE -#pragma interface /* gcc class implementation */ -#endif - -#include <zlib.h> - -/* - Please read ha_archive.cc first. If you are looking for more general - answers on how storage engines work, look at ha_example.cc and - ha_example.h. -*/ - -typedef struct st_archive_share { - char *table_name; - char data_file_name[FN_REFLEN]; - uint table_name_length,use_count; - pthread_mutex_t mutex; - THR_LOCK lock; - File meta_file; /* Meta file we use */ - gzFile archive_write; /* Archive file we are working with */ - bool dirty; /* Flag for if a flush should occur */ - bool crashed; /* Meta file is crashed */ - ha_rows rows_recorded; /* Number of rows in tables */ -} ARCHIVE_SHARE; - -/* - Version for file format. - 1 - Initial Version -*/ -#define ARCHIVE_VERSION 1 - -class ha_archive: public handler -{ - THR_LOCK_DATA lock; /* MySQL lock */ - ARCHIVE_SHARE *share; /* Shared lock info */ - gzFile archive; /* Archive file we are working with */ - z_off_t current_position; /* The position of the row we just read */ - byte byte_buffer[IO_SIZE]; /* Initial buffer for our string */ - String buffer; /* Buffer used for blob storage */ - ha_rows scan_rows; /* Number of rows left in scan */ - bool delayed_insert; /* If the insert is delayed */ - bool bulk_insert; /* If we are performing a bulk insert */ - -public: - ha_archive(TABLE *table_arg); - ~ha_archive() - { - } - const char *table_type() const { return "ARCHIVE"; } - const char *index_type(uint inx) { return "NONE"; } - const char **bas_ext() const; - ulong table_flags() const - { - return (HA_REC_NOT_IN_SEQ | HA_NOT_EXACT_COUNT | HA_NO_AUTO_INCREMENT | - HA_FILE_BASED | HA_CAN_INSERT_DELAYED); - } - ulong index_flags(uint idx, uint part, bool all_parts) const - { - return 0; - } - int open(const char *name, int mode, uint test_if_locked); - int close(void); - int write_row(byte * buf); - int real_write_row(byte *buf, gzFile writer); - int delete_all_rows(); - int rnd_init(bool scan=1); - int rnd_next(byte *buf); - int rnd_pos(byte * buf, byte *pos); - int get_row(gzFile file_to_read, byte *buf); - int read_meta_file(File meta_file, ha_rows *rows); - int write_meta_file(File meta_file, ha_rows rows, bool dirty); - ARCHIVE_SHARE *get_share(const char *table_name, TABLE *table); - int free_share(ARCHIVE_SHARE *share); - bool auto_repair() const { return 1; } // For the moment we just do this - int read_data_header(gzFile file_to_read); - int write_data_header(gzFile file_to_write); - void position(const byte *record); - void info(uint); - int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info); - int optimize(THD* thd, HA_CHECK_OPT* check_opt); - int repair(THD* thd, HA_CHECK_OPT* check_opt); - void start_bulk_insert(ha_rows rows); - int end_bulk_insert(); - enum row_type get_row_type() const - { - return ROW_TYPE_COMPRESSED; - } - THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, - enum thr_lock_type lock_type); -}; - -handlerton *archive_db_init(void); -bool archive_db_end(void); - |