Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

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

1 files changed, 180 insertions, 0 deletions

diff --git a/storage/myisam/ha_myisam.h b/storage/myisam/ha_myisam.h
new file mode 100644
index 00000000..3843004c
--- /dev/null
+++ b/storage/myisam/ha_myisam.h
@@ -0,0 +1,180 @@
+/*
+   Copyright (c) 2000, 2012, 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 handler */
+
+#include <myisam.h>
+#include <ft_global.h>
+#include "handler.h"                            /* handler */
+#include "table.h"                              /* TABLE_SHARE */
+
+#define HA_RECOVER_DEFAULT	1	/* Automatic recover active */
+#define HA_RECOVER_BACKUP	2	/* Make a backupfile on recover */
+#define HA_RECOVER_FORCE	4	/* Recover even if we loose rows */
+#define HA_RECOVER_QUICK	8	/* Don't check rows in data file */
+#define HA_RECOVER_FULL_BACKUP 16       /* Make a copy of index file too */
+#define HA_RECOVER_OFF         32	/* No automatic recover */
+
+extern TYPELIB myisam_recover_typelib;
+extern const char *myisam_recover_names[];
+extern ulonglong myisam_recover_options;
+
+C_MODE_START
+check_result_t index_cond_func_myisam(void *arg);
+C_MODE_END
+
+class ha_myisam final : public handler
+{
+  MI_INFO *file;
+  ulonglong int_table_flags;
+  char    *data_file_name, *index_file_name;
+  bool can_enable_indexes;
+  int repair(THD *thd, HA_CHECK &param, bool optimize);
+  void setup_vcols_for_repair(HA_CHECK *param);
+  void restore_vcos_after_repair();
+
+ public:
+  ha_myisam(handlerton *hton, TABLE_SHARE *table_arg);
+  ~ha_myisam() {}
+  handler *clone(const char *name, MEM_ROOT *mem_root);
+  const char *index_type(uint key_number);
+  ulonglong table_flags() const { return int_table_flags; }
+  int index_init(uint idx, bool sorted);
+  int index_end();
+  int rnd_end();
+
+  ulong index_flags(uint inx, uint part, bool all_parts) const;
+  uint max_supported_keys()          const { return MI_MAX_KEY; }
+  uint max_supported_key_parts()     const { return HA_MAX_KEY_SEG; }
+  uint max_supported_key_length()    const { return HA_MAX_KEY_LENGTH; }
+  uint max_supported_key_part_length() const { return HA_MAX_KEY_LENGTH; }
+  void change_table_ptr(TABLE *table_arg, TABLE_SHARE *share);
+  int open(const char *name, int mode, uint test_if_locked);
+  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_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 ft_init()
+  {
+    if (!ft_handler)
+      return 1;
+    ft_handler->please->reinit_search(ft_handler);
+    return 0;
+  }
+  FT_INFO *ft_init_ext(uint flags, uint inx,String *key)
+  {
+    return ft_init_search(flags,file,inx,
+                          (uchar *)key->ptr(), key->length(), key->charset(),
+                          table->record[0]);
+  }
+  int ft_read(uchar *buf);
+  int rnd_init(bool scan);
+  int rnd_next(uchar *buf);
+  int rnd_pos(uchar * buf, uchar *pos);
+  int remember_rnd_pos();
+  int restart_rnd_next(uchar *buf);
+  void position(const uchar *record);
+  int info(uint);
+  int extra(enum ha_extra_function operation);
+  int extra_opt(enum ha_extra_function operation, ulong cache_size);
+  int reset(void);
+  int external_lock(THD *thd, int lock_type);
+  int delete_all_rows(void);
+  int reset_auto_increment(ulonglong value);
+  int disable_indexes(uint mode);
+  int enable_indexes(uint mode);
+  int indexes_are_disabled(void);
+  void start_bulk_insert(ha_rows rows, uint flags);
+  int end_bulk_insert();
+  ha_rows records_in_range(uint inx, const key_range *min_key,
+                           const key_range *max_key, page_range *pages);
+  void update_create_info(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);
+  virtual void get_auto_increment(ulonglong offset, ulonglong increment,
+                                  ulonglong nb_desired_values,
+                                  ulonglong *first_value,
+                                  ulonglong *nb_reserved_values);
+  int rename_table(const char * from, const char * to);
+  int delete_table(const char *name);
+  int check_for_upgrade(HA_CHECK_OPT *check_opt);
+  int check(THD* thd, HA_CHECK_OPT* check_opt);
+  int analyze(THD* thd,HA_CHECK_OPT* check_opt);
+  int repair(THD* thd, HA_CHECK_OPT* check_opt);
+  bool check_and_repair(THD *thd);
+  bool is_crashed() const;
+  bool auto_repair(int error) const
+  {
+    return (myisam_recover_options != HA_RECOVER_OFF &&
+            error == HA_ERR_CRASHED_ON_USAGE);
+  }
+  int optimize(THD* thd, HA_CHECK_OPT* check_opt);
+  int assign_to_keycache(THD* thd, HA_CHECK_OPT* check_opt);
+  int preload_keys(THD* thd, HA_CHECK_OPT* check_opt);
+  enum_alter_inplace_result check_if_supported_inplace_alter(TABLE *new_table,
+                                            Alter_inplace_info *alter_info);
+  bool check_if_incompatible_data(HA_CREATE_INFO *info, uint table_changes);
+#ifdef HAVE_QUERY_CACHE
+  my_bool register_query_cache_table(THD *thd, const char *table_key,
+                                     uint key_length,
+                                     qc_engine_callback
+                                     *engine_callback,
+                                     ulonglong *engine_data);
+#endif
+  MI_INFO *file_ptr(void)
+  {
+    return file;
+  }
+public:
+  /**
+   * Multi Range Read interface
+   */
+  int multi_range_read_init(RANGE_SEQ_IF *seq, void *seq_init_param,
+                            uint n_ranges, uint mode, HANDLER_BUFFER *buf);
+  int multi_range_read_next(range_id_t *range_info);
+  ha_rows multi_range_read_info_const(uint keyno, RANGE_SEQ_IF *seq,
+                                      void *seq_init_param, 
+                                      uint n_ranges, uint *bufsz,
+                                      uint *flags, Cost_estimate *cost);
+  ha_rows multi_range_read_info(uint keyno, uint n_ranges, uint keys,
+                                uint key_parts, uint *bufsz, 
+                                uint *flags, Cost_estimate *cost);
+  int multi_range_read_explain_info(uint mrr_mode, char *str, size_t size);
+
+  /* Index condition pushdown implementation */
+  Item *idx_cond_push(uint keyno, Item* idx_cond);
+  bool rowid_filter_push(Rowid_filter* rowid_filter);
+
+private:
+  DsMrr_impl ds_mrr;
+  friend check_result_t index_cond_func_myisam(void *arg);
+};