1 files changed, 94 insertions, 0 deletions
diff --git a/include/merge.h b/include/merge.h
new file mode 100644
index 00000000000..b090e49b471
--- /dev/null
+++ b/include/merge.h
@@ -0,0 +1,94 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
+/* This file should be included when using merge_isam_funktions */
+/* Author: Michael Widenius */
+
+#ifndef _merge_h
+#define _merge_h
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#ifndef _my_base_h
+#include <my_base.h>
+#endif
+#ifndef _nisam_h
+#include <nisam.h>
+#endif
+
+#define MRG_NAME_EXT	".MRG"
+
+	/* Param to/from mrg_info */
+
+typedef struct st_mrg_info		/* Struct from h_info */
+{
+  ulonglong records;			/* Records in database */
+  ulonglong deleted;			/* Deleted records in database */
+  ulonglong recpos;			/* Pos for last used record */
+  ulonglong data_file_length;
+  uint	reclength;			/* Recordlength */
+  int	errkey;				/* With key was dupplicated on err */
+  uint	options;			/* HA_OPTIONS_... used */
+} MERGE_INFO;
+
+typedef struct st_mrg_table_info
+{
+  N_INFO *table;
+  ulonglong file_offset;
+} MRG_TABLE;
+
+typedef struct st_merge
+{
+  MRG_TABLE *open_tables,*current_table,*end_table,*last_used_table;
+  ulonglong records;			/* records in tables */
+  ulonglong del;			/* Removed records */
+  ulonglong data_file_length;
+  uint	 tables,options,reclength;
+  my_bool cache_in_use;
+  LIST	open_list;
+} MRG_INFO;
+
+typedef ulong mrg_off_t;
+
+	/* Prototypes for merge-functions */
+
+extern int mrg_close(MRG_INFO *file);
+extern int mrg_delete(MRG_INFO *file,const byte *buff);
+extern MRG_INFO *mrg_open(const char *name,int mode,int wait_if_locked);
+extern int mrg_panic(enum ha_panic_function function);
+extern int mrg_rfirst(MRG_INFO *file,byte *buf,int inx);
+extern int mrg_rkey(MRG_INFO *file,byte *buf,int inx,const byte *key,
+		       uint key_len, enum ha_rkey_function search_flag);
+extern int mrg_rrnd(MRG_INFO *file,byte *buf, mrg_off_t pos);
+extern int mrg_rsame(MRG_INFO *file,byte *record,int inx);
+extern int mrg_update(MRG_INFO *file,const byte *old,const byte *new_rec);
+extern int mrg_info(MRG_INFO *file,MERGE_INFO *x,int flag);
+extern int mrg_lock_database(MRG_INFO *file,int lock_type);
+extern int mrg_create(const char *name,const char **table_names);
+extern int mrg_extra(MRG_INFO *file,enum ha_extra_function function);
+extern ha_rows mrg_records_in_range(MRG_INFO *info,int inx,
+				    const byte *start_key,uint start_key_len,
+				    enum ha_rkey_function start_search_flag,
+				    const byte *end_key,uint end_key_len,
+				    enum ha_rkey_function end_search_flag);
+
+extern mrg_off_t mrg_position(MRG_INFO *info);
+#ifdef	__cplusplus
+}
+#endif
+#endif