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Merge mronstrom@bk-internal.mysql.com:/home/bk/mysql-5.0

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into  c-8b0ae253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/mysql-5.1


BitKeeper/etc/config:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/information_schema_db.result:
  Auto merged
mysql-test/t/disabled.def:
  Auto merged
mysys/default.c:
  Auto merged
scripts/Makefile.am:
  Auto merged
scripts/mysql_create_system_tables.sh:
  Auto merged
scripts/mysql_fix_privilege_tables.sql:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/ha_federated.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/ha_ndbcluster.h:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/lock.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/slave.cc:
  Auto merged
sql/slave.h:
  Auto merged
sql/sp.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/table.cc:
  Auto merged
sql/table.h:
  Auto merged
sql/tztime.cc:
  Auto merged
sql/unireg.cc:
  Auto merged
storage/innobase/buf/buf0buf.c:
  Auto merged
storage/innobase/include/os0file.h:
  Auto merged
storage/innobase/include/read0read.h:
  Auto merged
storage/innobase/include/read0types.h:
  Auto merged
storage/innobase/include/trx0trx.h:
  Auto merged
storage/innobase/os/os0file.c:
  Auto merged
storage/innobase/read/read0read.c:
  Auto merged
storage/innobase/row/row0sel.c:
  Auto merged
storage/innobase/srv/srv0srv.c:
  Auto merged
storage/innobase/srv/srv0start.c:
  Auto merged
storage/innobase/trx/trx0sys.c:
  Auto merged
storage/innobase/trx/trx0trx.c:
  Auto merged
storage/myisam/mi_create.c:
  Auto merged
storage/myisam/sort.c:
  Auto merged
storage/ndb/include/mgmapi/mgmapi.h:
  Auto merged
storage/ndb/include/mgmapi/mgmapi_config_parameters.h:
  Auto merged
storage/ndb/src/common/portlib/NdbMutex.c:
  Auto merged
storage/ndb/src/common/portlib/NdbThread.c:
  Auto merged
storage/ndb/src/kernel/blocks/dbacc/DbaccMain.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/dbtup/DbtupGen.cpp:
  Auto merged
storage/ndb/src/mgmapi/mgmapi.cpp:
  Auto merged
storage/ndb/src/mgmsrv/ConfigInfo.cpp:
  Auto merged
storage/ndb/src/mgmsrv/ConfigInfo.hpp:
  Auto merged
strings/ctype-big5.c:
  Auto merged
strings/ctype-ucs2.c:
  Auto merged
support-files/mysql.spec.sh:
  Auto merged
configure.in:
  Manual merge 5.0 -> 5.1
mysql-test/t/alter_table.test:
  Manual merge 5.0 -> 5.1
sql/share/errmsg.txt:
  Manual merge 5.0 -> 5.1
storage/ndb/tools/Makefile.am:
  Manual merge 5.0 -> 5.1
This commit is contained in:
unknown
2005-08-05 18:01:34 -04:00
parent 9216f5f259 e13fa8ebbb
commit aca6f88ebb
597 changed files with 53035 additions and 2450 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
sql/sql_select.cc
View File

@ -1194,7 +1194,14 @@ JOIN::exec()
{
result->send_fields(fields_list,
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF);
if (cond_value != Item::COND_FALSE && (!having || having->val_int()))
/*
We have to test for 'conds' here as the WHERE may not be constant
even if we don't have any tables for prepared statements or if
conds uses something like 'rand()'.
*/
if (cond_value != Item::COND_FALSE &&
(!conds || conds->val_int()) &&
(!having || having->val_int()))
{
if (do_send_rows && (procedure ? (procedure->send_row(fields_list) ||
procedure->end_of_records())
@ -1767,7 +1774,7 @@ Cursor::init_from_thd(THD *thd)
for (handlerton **pht= thd->transaction.stmt.ht; *pht; pht++)
{
const handlerton *ht= *pht;
close_at_commit|= (ht->flags & HTON_CLOSE_CURSORS_AT_COMMIT);
close_at_commit|= test(ht->flags & HTON_CLOSE_CURSORS_AT_COMMIT);
if (ht->create_cursor_read_view)
{
info->ht= ht;
@ -1854,6 +1861,7 @@ Cursor::fetch(ulong num_rows)
JOIN_TAB *join_tab= join->join_tab + join->const_tables;
enum_nested_loop_state error= NESTED_LOOP_OK;
Query_arena backup_arena;
Engine_info *info;
DBUG_ENTER("Cursor::fetch");
DBUG_PRINT("enter",("rows: %lu", num_rows));
@ -1868,7 +1876,7 @@ Cursor::fetch(ulong num_rows)
/* save references to memory, allocated during fetch */
thd->set_n_backup_item_arena(this, &backup_arena);
for (Engine_info *info= ht_info; info->read_view ; info++)
for (info= ht_info; info->read_view ; info++)
(info->ht->set_cursor_read_view)(info->read_view);
join->fetch_limit+= num_rows;
@ -1887,7 +1895,7 @@ Cursor::fetch(ulong num_rows)
/* Grab free_list here to correctly free it in close */
thd->restore_backup_item_arena(this, &backup_arena);
for (Engine_info *info= ht_info; info->read_view; info++)
for (info= ht_info; info->read_view; info++)
(info->ht->set_cursor_read_view)(0);
if (error == NESTED_LOOP_CURSOR_LIMIT)
@ -2762,9 +2770,9 @@ add_key_field(KEY_FIELD **key_fields,uint and_level, Item_func *cond,
We use null_rejecting in add_not_null_conds() to add
'othertbl.field IS NOT NULL' to tab->select_cond.
*/
(*key_fields)->null_rejecting= (cond->functype() == Item_func::EQ_FUNC) &&
((*value)->type() == Item::FIELD_ITEM) &&
((Item_field*)*value)->field->maybe_null();
(*key_fields)->null_rejecting= ((cond->functype() == Item_func::EQ_FUNC) &&
((*value)->type() == Item::FIELD_ITEM) &&
((Item_field*)*value)->field->maybe_null());
(*key_fields)++;
}
@ -7951,7 +7959,15 @@ static Field *create_tmp_field_from_item(THD *thd, Item *item, TABLE *table,
item->name, table, item->unsigned_flag);
break;
case STRING_RESULT:
if (item->max_length > 255 && convert_blob_length)
enum enum_field_types type;
/*
DATE/TIME fields have STRING_RESULT result type. To preserve
type they needed to be handled separately.
*/
if ((type= item->field_type()) == MYSQL_TYPE_DATETIME ||
type == MYSQL_TYPE_TIME || type == MYSQL_TYPE_DATE)
new_field= item->tmp_table_field_from_field_type(table);
else if (item->max_length > 255 && convert_blob_length)
new_field= new Field_varstring(convert_blob_length, maybe_null,
item->name, table,
item->collation.collation);
@ -8041,6 +8057,14 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
bool table_cant_handle_bit_fields,
uint convert_blob_length)
{
if (type != Item::FIELD_ITEM &&
item->real_item()->type() == Item::FIELD_ITEM &&
(item->type() != Item::REF_ITEM ||
!((Item_ref *) item)->depended_from))
{
item= item->real_item();
type= Item::FIELD_ITEM;
}
switch (type) {
case Item::SUM_FUNC_ITEM:
{
@ -8054,30 +8078,31 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
case Item::DEFAULT_VALUE_ITEM:
{
Item_field *field= (Item_field*) item;
if (table_cant_handle_bit_fields && field->field->type() == FIELD_TYPE_BIT)
/*
If item have to be able to store NULLs but underlaid field can't do it,
create_tmp_field_from_field() can't be used for tmp field creation.
*/
if (field->maybe_null && !field->field->maybe_null())
{
Field *res= create_tmp_field_from_item(thd, item, table, NULL,
modify_item, convert_blob_length);
*from_field= field->field;
if (res && modify_item)
((Item_field*)item)->result_field= res;
return res;
}
if (table_cant_handle_bit_fields &&
field->field->type() == FIELD_TYPE_BIT)
return create_tmp_field_from_item(thd, item, table, copy_func,
modify_item, convert_blob_length);
return create_tmp_field_from_field(thd, (*from_field= field->field),
item->name, table,
modify_item ? (Item_field*) item : NULL,
modify_item ? (Item_field*) item :
NULL,
convert_blob_length);
}
case Item::REF_ITEM:
{
Item *tmp_item;
if ((tmp_item= item->real_item())->type() == Item::FIELD_ITEM)
{
Item_field *field= (Item_field*) tmp_item;
Field *new_field= create_tmp_field_from_field(thd,
(*from_field= field->field),
item->name, table,
NULL,
convert_blob_length);
if (modify_item)
item->set_result_field(new_field);
return new_field;
}
}
/* Fall through */
case Item::FUNC_ITEM:
case Item::COND_ITEM:
case Item::FIELD_AVG_ITEM:
@ -8089,6 +8114,7 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
case Item::REAL_ITEM:
case Item::DECIMAL_ITEM:
case Item::STRING_ITEM:
case Item::REF_ITEM:
case Item::NULL_ITEM:
case Item::VARBIN_ITEM:
return create_tmp_field_from_item(thd, item, table, copy_func, modify_item,
@ -9881,6 +9907,11 @@ join_read_always_key(JOIN_TAB *tab)
int error;
TABLE *table= tab->table;
for (uint i= 0 ; i < tab->ref.key_parts ; i++)
{
if ((tab->ref.null_rejecting & 1 << i) && tab->ref.items[i]->is_null())
return -1;
}
if (!table->file->inited)
{
table->file->ha_index_init(tab->ref.key, tab->sorted);
@ -10936,13 +10967,13 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
usable_keys.set_all();
for (ORDER *tmp_order=order; tmp_order ; tmp_order=tmp_order->next)
{
if ((*tmp_order->item)->type() != Item::FIELD_ITEM)
Item *item= (*tmp_order->item)->real_item();
if (item->type() != Item::FIELD_ITEM)
{
usable_keys.clear_all();
DBUG_RETURN(0);
}
usable_keys.intersect(((Item_field*) (*tmp_order->item))->
field->part_of_sortkey);
usable_keys.intersect(((Item_field*) item)->field->part_of_sortkey);
if (usable_keys.is_clear_all())
DBUG_RETURN(0); // No usable keys
}