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new EXPLAIN

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fixed bug in mysql-test/create-test-result
fixed bug in union-subselect engine


mysql-test/create-test-result:
  fixed bug in reject file name assembling
mysql-test/r/compare.result:
  new EXPLAIN
mysql-test/r/create.result:
  new EXPLAIN
mysql-test/r/distinct.result:
  new EXPLAIN
mysql-test/r/explain.result:
  new EXPLAIN
mysql-test/r/group_by.result:
  new EXPLAIN
mysql-test/r/heap.result:
  new EXPLAIN
mysql-test/r/heap_btree.result:
  new EXPLAIN
mysql-test/r/heap_hash.result:
  new EXPLAIN
mysql-test/r/innodb.result:
  new EXPLAIN
mysql-test/r/join_outer.result:
  new EXPLAIN
mysql-test/r/key_diff.result:
  new EXPLAIN
mysql-test/r/key_primary.result:
  new EXPLAIN
mysql-test/r/merge.result:
  new EXPLAIN
mysql-test/r/myisam.result:
  new EXPLAIN
mysql-test/r/null_key.result:
  new EXPLAIN
mysql-test/r/odbc.result:
  new EXPLAIN
mysql-test/r/order_by.result:
  new EXPLAIN
mysql-test/r/range.result:
  new EXPLAIN
mysql-test/r/select.result:
  new EXPLAIN
mysql-test/r/subselect.result:
  new EXPLAIN
mysql-test/r/type_datetime.result:
  new EXPLAIN
mysql-test/r/union.result:
  new EXPLAIN
mysql-test/r/user_var.result:
  new EXPLAIN
mysql-test/r/varbinary.result:
  new EXPLAIN
mysql-test/t/subselect.test:
  new EXPLAIN
mysql-test/t/union.test:
  new EXPLAIN
sql/mysql_priv.h:
  new EXPLAIN
sql/sql_class.cc:
  new EXPLAIN
sql/sql_class.h:
  new EXPLAIN
sql/sql_derived.cc:
  new EXPLAIN
sql/sql_lex.h:
  new EXPLAIN
sql/sql_parse.cc:
  new EXPLAIN
sql/sql_select.cc:
  new EXPLAIN
sql/sql_union.cc:
  fixed bug in subselect-UNION engine
sql/table.h:
  new EXPLAIN
This commit is contained in:
unknown
2002-09-26 23:08:22 +03:00
parent 9dea4a4cd1
commit 9396cc5a4a
36 changed files with 607 additions and 457 deletions
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22
sql/sql_class.cc
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@@ -357,6 +357,28 @@ CHANGED_TABLE_LIST* THD::changed_table_dup(TABLE *table)
return new_table;
}
int THD::send_explain_fields(select_result *result)
{
List<Item> field_list;
Item *item;
field_list.push_back(new Item_int("id",0,3));
field_list.push_back(new Item_empty_string("select_type",19));
field_list.push_back(new Item_empty_string("table",NAME_LEN));
field_list.push_back(new Item_empty_string("type",10));
field_list.push_back(item=new Item_empty_string("possible_keys",
NAME_LEN*MAX_KEY));
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("key",NAME_LEN));
item->maybe_null=1;
field_list.push_back(item=new Item_int("key_len",0,3));
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("ref",
NAME_LEN*MAX_REF_PARTS));
item->maybe_null=1;
field_list.push_back(new Item_real("rows",0.0,0,10));
field_list.push_back(new Item_empty_string("Extra",255));
return (result->send_fields(field_list,1));
}
/*****************************************************************************
** Functions to provide a interface to select results