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Code Activity

Subquery cache (MWL#66) added.

Browse Source 
libmysqld/Makefile.am:
  The new file added.
mysql-test/r/index_merge_myisam.result:
  subquery_cache optimization option added.
mysql-test/r/myisam_mrr.result:
  subquery_cache optimization option added.
mysql-test/r/subquery_cache.result:
  The subquery cache tests added.
mysql-test/r/subselect3.result:
  Subquery cache switched off to avoid changing read statistics.
mysql-test/r/subselect3_jcl6.result:
  Subquery cache switched off to avoid changing read statistics.
mysql-test/r/subselect_no_mat.result:
  subquery_cache optimization option added.
mysql-test/r/subselect_no_opts.result:
  subquery_cache optimization option added.
mysql-test/r/subselect_no_semijoin.result:
  subquery_cache optimization option added.
mysql-test/r/subselect_sj.result:
  subquery_cache optimization option added.
mysql-test/r/subselect_sj_jcl6.result:
  subquery_cache optimization option added.
mysql-test/t/subquery_cache.test:
  The subquery cache tests added.
mysql-test/t/subselect3.test:
  Subquery cache switched off to avoid changing read statistics.
sql/CMakeLists.txt:
  The new file added.
sql/Makefile.am:
  The new files added.
sql/item.cc:
  Expression cache item (Item_cache_wrapper) added.
  Item_ref and Item_field fixed for correct usage of result field and fast resolwing in SP.
sql/item.h:
  Expression cache item (Item_cache_wrapper) added.
  Item_ref and Item_field fixed for correct usage of result field and fast resolwing in SP.
sql/item_cmpfunc.cc:
  Subquery cache added.
sql/item_cmpfunc.h:
  Subquery cache added.
sql/item_subselect.cc:
  Subquery cache added.
sql/item_subselect.h:
  Subquery cache added.
sql/item_sum.cc:
  Registration of subquery parameters added.
sql/mysql_priv.h:
  subquery_cache optimization option added.
sql/mysqld.cc:
  subquery_cache optimization option added.
sql/opt_range.cc:
  Fix due to subquery cache.
sql/opt_subselect.cc:
  Parameters of the function cahnged.
sql/procedure.h:
  .h file guard added.
sql/sql_base.cc:
  Registration of subquery parameters added.
sql/sql_class.cc:
  Option to allow add indeces to temporary table.
sql/sql_class.h:
  Item iterators added.
  Option to allow add indeces to temporary table.
sql/sql_expression_cache.cc:
  Expression cache for caching subqueries added.
sql/sql_expression_cache.h:
  Expression cache for caching subqueries added.
sql/sql_lex.cc:
  Registration of subquery parameters added.
sql/sql_lex.h:
  Registration of subqueries and subquery parameters added.
sql/sql_select.cc:
  Subquery cache added.
sql/sql_select.h:
  Subquery cache added.
sql/sql_union.cc:
  A new parameter to the function added.
sql/sql_update.cc:
  A new parameter to the function added.
sql/table.cc:
  Procedures to manage temporarty tables index added.
sql/table.h:
  Procedures to manage temporarty tables index added.
storage/maria/ha_maria.cc:
  Fix of handler to allow destoy a table in case of error during the table creation.
storage/maria/ha_maria.h:
  .h file guard added.
storage/myisam/ha_myisam.cc:
  Fix of handler to allow destoy a table in case of error during the table creation.
This commit is contained in:
unknown
2010-07-10 13:37:30 +03:00
parent e5f238a051
commit ceb5468fd8
43 changed files with 4255 additions and 164 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
sql/sql_base.cc
View File

@ -1375,10 +1375,10 @@ bool close_thread_table(THD *thd, TABLE **table_ptr)
bool found_old_table= 0;
TABLE *table= *table_ptr;
DBUG_ENTER("close_thread_table");
DBUG_ASSERT(table->key_read == 0);
DBUG_ASSERT(!table->file || table->file->inited == handler::NONE);
DBUG_PRINT("tcache", ("table: '%s'.'%s' 0x%lx", table->s->db.str,
table->s->table_name.str, (long) table));
DBUG_ASSERT(table->key_read == 0);
DBUG_ASSERT(!table->file || table->file->inited == handler::NONE);
if (table->file)
{
@ -6328,12 +6328,21 @@ find_field_in_tables(THD *thd, Item_ident *item,
sub query as dependent on the outer query
*/
if (current_sel != last_select)
{
mark_select_range_as_dependent(thd, last_select, current_sel,
found, *ref, item);
if (item->can_be_depended)
{
DBUG_ASSERT((*ref) == (Item*)item);
current_sel->register_dependency_item(last_select, ref);
}
}
}
return found;
}
}
else
item->can_be_depended= TRUE;
if (db && lower_case_table_names)
{
@ -8083,6 +8092,10 @@ int setup_conds(THD *thd, TABLE_LIST *tables, TABLE_LIST *leaves,
if (*conds)
{
thd->where="where clause";
DBUG_EXECUTE("where",
print_where(*conds,
"WHERE in setup_conds",
QT_ORDINARY););
if ((!(*conds)->fixed && (*conds)->fix_fields(thd, conds)) ||
(*conds)->check_cols(1))
goto err_no_arena;
@ -8341,6 +8354,7 @@ fill_record_n_invoke_before_triggers(THD *thd, List<Item> &fields,
ptr pointer on pointer to record
values list of fields
ignore_errors TRUE if we should ignore errors
use_value forces usage of value of the items instead of result
NOTE
fill_record() may set table->auto_increment_field_not_null and a
@ -8353,7 +8367,8 @@ fill_record_n_invoke_before_triggers(THD *thd, List<Item> &fields,
*/
bool
fill_record(THD *thd, Field **ptr, List<Item> &values, bool ignore_errors)
fill_record(THD *thd, Field **ptr, List<Item> &values, bool ignore_errors,
bool use_value)
{
List_iterator_fast<Item> v(values);
List<TABLE> tbl_list;
@ -8395,8 +8410,11 @@ fill_record(THD *thd, Field **ptr, List<Item> &values, bool ignore_errors)
field->field_name, table->s->table_name.str);
thd->abort_on_warning= abort_on_warning_saved;
}
if (value->save_in_field(field, 0) < 0)
goto err;
if (use_value)
value->save_val(field);
else
if (value->save_in_field(field, 0) < 0)
goto err;
tbl_list.push_back(table);
}
/* Update virtual fields*/
@ -8465,7 +8483,7 @@ fill_record_n_invoke_before_triggers(THD *thd, Field **ptr,
enum trg_event_type event)
{
bool result;
result= (fill_record(thd, ptr, values, ignore_errors) ||
result= (fill_record(thd, ptr, values, ignore_errors, FALSE) ||
(triggers && triggers->process_triggers(thd, event,
TRG_ACTION_BEFORE, TRUE)));
/*