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Merge with 4.1

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BitKeeper/etc/ignore:
  auto-union
client/mysqltest.c:
  Auto merged
extra/my_print_defaults.c:
  Auto merged
extra/perror.c:
  Auto merged
extra/resolve_stack_dump.c:
  Auto merged
include/help_end.h:
  Auto merged
include/help_start.h:
  Auto merged
myisam/myisamlog.c:
  Auto merged
mysql-test/r/group_by.result:
  Auto merged
mysql-test/r/heap_hash.result:
  Auto merged
BitKeeper/deleted/.del-pack_isam.c~43801f0df7504834:
  Auto merged
mysql-test/r/subselect.result:
  Auto merged
mysql-test/r/user_var.result:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
ndb/src/kernel/vm/FastScheduler.cpp:
  Auto merged
netware/mysql_test_run.c:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_list.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
netware/BUILD/nwbootstrap:
  merge: keep local
scripts/make_binary_distribution.sh:
  merge: keep local
sql/ha_heap.cc:
  Trivial merge
sql/ha_innodb.cc:
  Auto merge (Code already existed in 5.0)
sql/item_cmpfunc.cc:
  Simple merge
sql/item_func.cc:
  Simple merge
sql/item_row.cc:
  Simple merge
sql/item_strfunc.cc:
  Simple merge
sql/item_subselect.cc:
  Merge with sanjas optimzation patch, but keep old code withing ifdef as a reference until this is fixed
This commit is contained in:
unknown
2005-02-10 02:27:37 +02:00
parent 70d3ac05d9 0fe1b28b75
commit 9f04f9d035
21 changed files with 161 additions and 190 deletions
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15
sql/sql_select.cc
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@@ -8247,6 +8247,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
keyinfo->key_length=(uint16) reclength;
keyinfo->name= (char*) "distinct_key";
keyinfo->algorithm= HA_KEY_ALG_UNDEF;
keyinfo->rec_per_key=0;
if (null_pack_length)
{
key_part_info->null_bit=0;
@@ -11831,6 +11832,7 @@ setup_copy_fields(THD *thd, TMP_TABLE_PARAM *param,
res_selected_fields.empty();
res_all_fields.empty();
List_iterator_fast<Item> itr(res_all_fields);
List<Item> extra_funcs;
uint i, border= all_fields.elements - elements;
DBUG_ENTER("setup_copy_fields");
@@ -11892,7 +11894,12 @@ setup_copy_fields(THD *thd, TMP_TABLE_PARAM *param,
*/
if (!(pos=new Item_copy_string(pos)))
goto err;
if (param->copy_funcs.push_back(pos))
if (i < border) // HAVING, ORDER and GROUP BY
{
if (extra_funcs.push_back(pos))
goto err;
}
else if (param->copy_funcs.push_back(pos))
goto err;
}
res_all_fields.push_back(pos);
@@ -11904,6 +11911,12 @@ setup_copy_fields(THD *thd, TMP_TABLE_PARAM *param,
for (i= 0; i < border; i++)
itr++;
itr.sublist(res_selected_fields, elements);
/*
Put elements from HAVING, ORDER BY and GROUP BY last to ensure that any
reference used in these will resolve to a item that is already calculated
*/
param->copy_funcs.concat(&extra_funcs);
DBUG_RETURN(0);
err: