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Fixed multi-table-delete

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Optimize fixed length MyISAM rows to use pread/pwrite.
This commit is contained in:
monty@hundin.mysql.fi
2001-06-15 05:03:15 +03:00
parent 595d087e05
commit a06f391e7a
16 changed files with 728 additions and 487 deletions
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9
sql/sql_class.h
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@ -600,7 +600,6 @@ public:
#else
Unique **tempfiles;
#endif
byte * dup_checking;
THD *thd;
ha_rows deleted;
uint num_of_tables;
@ -608,12 +607,8 @@ public:
thr_lock_type lock_option;
bool do_delete;
public:
multi_delete(TABLE_LIST *dt, thr_lock_type lock_option_arg, uint n)
: delete_tables (dt), deleted(0), num_of_tables(n), error(0),
lock_option(lock_option_arg)
{
thd = current_thd; do_delete = false;
}
multi_delete(THD *thd, TABLE_LIST *dt, thr_lock_type lock_option_arg,
uint num_of_tables);
~multi_delete();
int prepare(List<Item> &list);
bool send_fields(List<Item> &list,