Adding upstream version 1:10.11.6.upstream/1%10.11.6

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 162 insertions, 0 deletions

diff --git a/storage/myisammrg/ha_myisammrg.h b/storage/myisammrg/ha_myisammrg.h
new file mode 100644
index 00000000..6da327ec
--- /dev/null
+++ b/storage/myisammrg/ha_myisammrg.h
@@ -0,0 +1,162 @@
+/*
+   Copyright (c) 2000, 2011, Oracle and/or its affiliates
+
+   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 */
+
+
+#ifdef USE_PRAGMA_INTERFACE
+#pragma interface			/* gcc class implementation */
+#endif
+
+/* class for the the myisam merge handler */
+
+#include <myisammrg.h>
+
+/** 
+  Represents one name of a MERGE child.
+
+  @todo: Add MYRG_SHARE and store chlidren names in the
+  share.
+*/
+
+class Mrg_child_def: public Sql_alloc
+{
+  /* Remembered MERGE child def version.  See top comment in ha_myisammrg.cc */
+  enum_table_ref_type m_child_table_ref_type;
+  ulong m_child_def_version;
+public:
+  LEX_STRING db;
+  LEX_STRING name;
+
+  /* Access MERGE child def version.  See top comment in ha_myisammrg.cc */
+  inline enum_table_ref_type get_child_table_ref_type()
+  {
+    return m_child_table_ref_type;
+  }
+  inline ulong get_child_def_version()
+  {
+    return m_child_def_version;
+  }
+  inline void set_child_def_version(enum_table_ref_type child_table_ref_type,
+                                    ulong version)
+  {
+    m_child_table_ref_type= child_table_ref_type;
+    m_child_def_version= version;
+  }
+
+  Mrg_child_def(char *db_arg, size_t db_len_arg,
+                char *table_name_arg, size_t table_name_len_arg)
+  {
+    db.str= db_arg;
+    db.length= db_len_arg;
+    name.str= table_name_arg;
+    name.length= table_name_len_arg;
+    m_child_def_version= ~0UL;
+    m_child_table_ref_type= TABLE_REF_NULL;
+  }
+};
+
+
+class ha_myisammrg final : public handler
+{
+  MYRG_INFO *file;
+  my_bool is_cloned;                    /* This instance has been cloned */
+
+public:
+  MEM_ROOT      children_mem_root;      /* mem root for children list */
+  List<Mrg_child_def> child_def_list;
+  TABLE_LIST    *children_l;            /* children list */
+  TABLE_LIST    **children_last_l;      /* children list end */
+  uint          test_if_locked;         /* flags from ::open() */
+
+  ha_myisammrg(handlerton *hton, TABLE_SHARE *table_arg);
+  ~ha_myisammrg();
+  const char *index_type(uint key_number);
+  ulonglong table_flags() const
+  {
+    return (HA_REC_NOT_IN_SEQ | HA_AUTO_PART_KEY | HA_NO_TRANSACTIONS |
+            HA_BINLOG_ROW_CAPABLE | HA_BINLOG_STMT_CAPABLE |
+	    HA_NULL_IN_KEY | HA_CAN_INDEX_BLOBS | HA_FILE_BASED |
+            HA_ANY_INDEX_MAY_BE_UNIQUE | HA_CAN_BIT_FIELD |
+            HA_HAS_RECORDS | HA_CAN_EXPORT |
+            HA_NO_COPY_ON_ALTER |
+            HA_DUPLICATE_POS | HA_CAN_MULTISTEP_MERGE);
+  }
+  ulong index_flags(uint inx, uint part, bool all_parts) const
+  {
+    return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_FULLTEXT) ?
+            0 : HA_READ_NEXT | HA_READ_PREV | HA_READ_RANGE |
+            HA_READ_ORDER | HA_KEYREAD_ONLY);
+  }
+  uint max_supported_keys()          const { return MI_MAX_KEY; }
+  uint max_supported_key_length()    const { return HA_MAX_KEY_LENGTH; }
+  uint max_supported_key_part_length() const { return HA_MAX_KEY_LENGTH; }
+  double scan_time()
+  { return ulonglong2double(stats.data_file_length) / IO_SIZE + file->tables; }
+
+  int open(const char *name, int mode, uint test_if_locked);
+  int add_children_list(void);
+  int attach_children(void);
+  int detach_children(void);
+  virtual handler *clone(const char *name, MEM_ROOT *mem_root);
+  int close(void);
+  int write_row(const uchar * buf);
+  int update_row(const uchar * old_data, const uchar * new_data);
+  int delete_row(const uchar * buf);
+  int index_read_map(uchar *buf, const uchar *key, key_part_map keypart_map,
+                     enum ha_rkey_function find_flag);
+  int index_read_idx_map(uchar *buf, uint index, const uchar *key,
+                         key_part_map keypart_map,
+                         enum ha_rkey_function find_flag);
+  int index_read_last_map(uchar *buf, const uchar *key, key_part_map keypart_map);
+  int index_next(uchar * buf);
+  int index_prev(uchar * buf);
+  int index_first(uchar * buf);
+  int index_last(uchar * buf);
+  int index_next_same(uchar *buf, const uchar *key, uint keylen);
+  int rnd_init(bool scan);
+  int rnd_next(uchar *buf);
+  int rnd_pos(uchar * buf, uchar *pos);
+  void position(const uchar *record);
+  ha_rows records_in_range(uint inx, const key_range *start_key,
+                           const key_range *end_key, page_range *pages);
+  int delete_all_rows();
+  int info(uint);
+  int reset(void);
+  int extra(enum ha_extra_function operation);
+  int extra_opt(enum ha_extra_function operation, ulong cache_size);
+  int external_lock(THD *thd, int lock_type);
+  uint lock_count(void) const;
+  int create_mrg(const char *name, HA_CREATE_INFO *create_info);
+  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);
+  void update_create_info(HA_CREATE_INFO *create_info);
+  void append_create_info(String *packet);
+  MYRG_INFO *myrg_info() { return file; }
+  TABLE *table_ptr() { return table; }
+  enum_alter_inplace_result check_if_supported_inplace_alter(TABLE *,
+                                                Alter_inplace_info *);
+  bool inplace_alter_table(TABLE *altered_table,
+                           Alter_inplace_info *ha_alter_info);
+  int check(THD* thd, HA_CHECK_OPT* check_opt);
+  ha_rows records();
+  virtual uint count_query_cache_dependant_tables(uint8 *tables_type);
+  virtual my_bool
+    register_query_cache_dependant_tables(THD *thd,
+                                          Query_cache *cache,
+                                          Query_cache_block_table **block,
+                                          uint *n);
+  virtual void set_lock_type(enum thr_lock_type lock);
+};