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Small improvement to alloc_root

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Add support for LIMIT # OFFSET #
Changed lock handling:  Now all locks should be stored in TABLE_LIST instead of passed to functions.
Don't call query_cache_invalidate() twice in some cases
mysql_change_user() now clears states to be equal to close + connect.
Fixed a bug with multi-table-update and multi-table-delete when used with LOCK TABLES
Fixed a bug with replicate-do and UPDATE
This commit is contained in:
monty@mashka.mysql.fi
2002-11-16 20:19:10 +02:00
parent aa67a79632
commit 1a96948e81
29 changed files with 525 additions and 264 deletions
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9
sql/sql_class.h
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@ -461,6 +461,8 @@ public:
THD();
~THD();
void init(void);
void change_user(void);
void cleanup(void);
bool store_globals();
#ifdef SIGNAL_WITH_VIO_CLOSE
@ -804,11 +806,9 @@ public:
ha_rows deleted;
uint num_of_tables;
int error;
thr_lock_type lock_option;
bool do_delete, transactional_tables, log_delayed, normal_tables;
public:
multi_delete(THD *thd, TABLE_LIST *dt, thr_lock_type lock_option_arg,
uint num_of_tables);
multi_delete(THD *thd, TABLE_LIST *dt, uint num_of_tables);
~multi_delete();
int prepare(List<Item> &list);
bool send_fields(List<Item> &list,
@ -829,7 +829,6 @@ public:
ha_rows updated, found;
List<Item> fields;
List <Item> **fields_by_tables;
thr_lock_type lock_option;
enum enum_duplicates dupl;
uint num_of_tables, num_fields, num_updated, *save_time_stamps, *field_sequence;
int error;
@ -837,7 +836,7 @@ public:
public:
multi_update(THD *thd_arg, TABLE_LIST *ut, List<Item> &fs,
enum enum_duplicates handle_duplicates,
thr_lock_type lock_option_arg, uint num);
uint num);
~multi_update();
int prepare(List<Item> &list);
bool send_fields(List<Item> &list,