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Merge sinisa@bk-internal.mysql.com:/home/bk/mysql-4.1

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into sinisa.nasamreza.org:/mnt/work/mysql-4.1


sql/sql_union.cc:
  Auto merged
This commit is contained in:
unknown 2004-05-15 18:30:04 +03:00
commit d146ea1a0f
1 changed files with 7 additions and 3 deletions
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10
sql/sql_union.cc
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@ -339,8 +339,8 @@ int st_select_lex_unit::exec()
item->reset();
table->file->delete_all_rows();
}
if (union_distinct) // for subselects
table->file->extra(HA_EXTRA_CHANGE_KEY_TO_UNIQUE);
if (union_distinct && table->file->enable_indexes(HA_KEY_SWITCH_ALL))
DBUG_RETURN(1); // For sub-selects
for (SELECT_LEX *sl= select_cursor; sl; sl= sl->next_select())
{
ha_rows records_at_start= 0;
@ -392,7 +392,11 @@ int st_select_lex_unit::exec()
records_at_start= table->file->records;
sl->join->exec();
if (sl == union_distinct)
table->file->extra(HA_EXTRA_CHANGE_KEY_TO_DUP);
{
if (table->file->disable_indexes(HA_KEY_SWITCH_ALL))
DBUG_RETURN(1);
table->no_keyread=1;
}
res= sl->join->error;
offset_limit_cnt= sl->offset_limit;
if (!res && union_result->flush())