1 files changed, 69 insertions, 0 deletions
diff --git a/sql/ha_isammrg.h b/sql/ha_isammrg.h
new file mode 100644
index 00000000000..9fe1984d76f
--- /dev/null
+++ b/sql/ha_isammrg.h
@@ -0,0 +1,69 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 __GNUC__
+#pragma interface			/* gcc class implementation */
+#endif
+
+/* class for the the myisam merge handler */
+
+#include <merge.h>
+
+class ha_isammrg: public handler
+{
+  MRG_INFO *file;
+
+ public:
+  ha_isammrg(TABLE *table): handler(table), file(0) {}
+  ~ha_isammrg() {}
+  const char *table_type() const { return "MRG_ISAM"; }
+  const char **bas_ext() const;
+  ulong option_flag() const { return HA_READ_RND_SAME+HA_KEYPOS_TO_RNDPOS+HA_REC_NOT_IN_SEQ;}
+  uint max_record_length() const { return HA_MAX_REC_LENGTH; }
+  uint max_keys()          const { return 0; }
+  uint max_key_parts()     const { return 0; }
+  uint max_key_length()    const { return 0; }
+  bool low_byte_first()	   const { return 0; }
+  uint min_record_length(uint options) const;
+
+  int open(const char *name, int mode, int test_if_locked);
+  int close(void);
+  int write_row(byte * buf);
+  int update_row(const byte * old_data, byte * new_data);
+  int delete_row(const byte * buf);
+  int index_read(byte * buf, const byte * key,
+		 uint key_len, enum ha_rkey_function find_flag);
+  int index_read_idx(byte * buf, uint indx, const byte * key,
+		     uint key_len, enum ha_rkey_function find_flag);
+  int index_next(byte * buf);
+  int index_prev(byte * buf);
+  int index_first(byte * buf);
+  int index_last(byte * buf);
+  int rnd_init(bool scan=1);
+  int rnd_next(byte *buf);
+  int rnd_pos(byte * buf, byte *pos);
+  void position(const byte *record);
+  my_off_t row_position() { return mrg_position(file); }
+  void info(uint);
+  int extra(enum ha_extra_function operation);
+  int reset(void);
+  int external_lock(THD *thd, int lock_type);
+  uint lock_count(void) const;
+  int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info);
+  THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to,
+			     enum thr_lock_type lock_type);
+};