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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /include/myisammrg.h
parentInitial commit. (diff)
downloadmariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz
mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--include/myisammrg.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/include/myisammrg.h b/include/myisammrg.h
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+/* Copyright (c) 2000-2002, 2004, 2006-2008 MySQL AB, 2009 Sun Microsystems, Inc.
+ Use is subject to license terms.
+
+ 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; version 2 of the License.
+
+ 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 St, Fifth Floor, Boston, MA 02110-1335 USA */
+
+/* This file should be included when using merge_isam_functions */
+
+#ifndef _myisammrg_h
+#define _myisammrg_h
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _my_base_h
+#include <my_base.h>
+#endif
+#ifndef _myisam_h
+#include <myisam.h>
+#endif
+
+#include <queues.h>
+
+#define MYRG_NAME_EXT ".MRG"
+#define MYRG_NAME_TMPEXT ".MRG_TMP"
+
+/* In which table to INSERT rows */
+#define MERGE_INSERT_DISABLED 0
+#define MERGE_INSERT_TO_FIRST 1
+#define MERGE_INSERT_TO_LAST 2
+
+extern TYPELIB merge_insert_method;
+
+ /* Param to/from myrg_info */
+
+typedef struct st_mymerge_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;
+ ulonglong dupp_key_pos; /* Offset of the Duplicate key in the merge table */
+ uint reclength; /* Recordlength */
+ int errkey; /* With key was duplicated on err */
+ uint options; /* HA_OPTION_... used */
+ ulong *rec_per_key; /* for sql optimizing */
+} MYMERGE_INFO;
+
+typedef struct st_myrg_table_info
+{
+ struct st_myisam_info *table;
+ ulonglong file_offset;
+} MYRG_TABLE;
+
+typedef struct st_myrg_info
+{
+ MYRG_TABLE *open_tables,*current_table,*end_table,*last_used_table;
+ ulonglong records; /* records in tables */
+ ulonglong del; /* Removed records */
+ ulonglong data_file_length;
+ ulong cache_size;
+ uint merge_insert_method;
+ uint tables,options,reclength,keys;
+ uint key_parts;
+ my_bool cache_in_use;
+ /* If MERGE children attached to parent. See top comment in ha_myisammrg.cc */
+ my_bool children_attached;
+ LIST open_list;
+ QUEUE by_key;
+ ulong *rec_per_key_part; /* for sql optimizing */
+ mysql_mutex_t mutex;
+} MYRG_INFO;
+
+
+ /* Prototypes for merge-functions */
+
+extern int myrg_close(MYRG_INFO *file);
+extern int myrg_delete(MYRG_INFO *file,const uchar *buff);
+extern MYRG_INFO *myrg_open(const char *name,int mode,int wait_if_locked);
+extern MYRG_INFO *myrg_parent_open(const char *parent_name,
+ int (*callback)(void*, const char*),
+ void *callback_param);
+extern int myrg_attach_children(MYRG_INFO *m_info, int handle_locking,
+ MI_INFO *(*callback)(void*),
+ void *callback_param,
+ my_bool *need_compat_check);
+extern int myrg_detach_children(MYRG_INFO *m_info);
+extern int myrg_panic(enum ha_panic_function function);
+extern int myrg_rfirst(MYRG_INFO *file,uchar *buf,int inx);
+extern int myrg_rlast(MYRG_INFO *file,uchar *buf,int inx);
+extern int myrg_rnext(MYRG_INFO *file,uchar *buf,int inx);
+extern int myrg_rprev(MYRG_INFO *file,uchar *buf,int inx);
+extern int myrg_rnext_same(MYRG_INFO *file,uchar *buf);
+extern int myrg_rkey(MYRG_INFO *info,uchar *buf,int inx, const uchar *key,
+ key_part_map keypart_map, enum ha_rkey_function search_flag);
+extern int myrg_rrnd(MYRG_INFO *file,uchar *buf,ulonglong pos);
+extern int myrg_rsame(MYRG_INFO *file,uchar *record,int inx);
+extern int myrg_update(MYRG_INFO *file,const uchar *old,
+ const uchar *new_rec);
+extern int myrg_write(MYRG_INFO *info,const uchar *rec);
+extern int myrg_status(MYRG_INFO *file,MYMERGE_INFO *x,int flag);
+extern int myrg_lock_database(MYRG_INFO *file,int lock_type);
+extern int myrg_create(const char *name, const char **table_names,
+ uint insert_method, my_bool fix_names);
+extern int myrg_extra(MYRG_INFO *file,enum ha_extra_function function,
+ void *extra_arg);
+extern int myrg_reset(MYRG_INFO *info);
+extern void myrg_extrafunc(MYRG_INFO *info,invalidator_by_filename inv);
+extern ha_rows myrg_records_in_range(MYRG_INFO *info, int inx,
+ const key_range *min_key,
+ const key_range *max_key,
+ page_range *pages);
+extern ha_rows myrg_records(MYRG_INFO *info);
+
+extern ulonglong myrg_position(MYRG_INFO *info);
+#ifdef __cplusplus
+}
+#endif
+#endif