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

Browse Source 
into  moonbone.local:/work/20327-bug-5.0-opt-mysql


sql/sql_base.cc:
  Auto merged
mysql-test/r/ps.result:
  Manual merge
mysql-test/t/ps.test:
  Manual merge
This commit is contained in:
unknown
2006-11-29 15:03:53 +03:00
parent a116f93dd3 fe499575af
commit 004aadd6f7
3 changed files with 47 additions and 0 deletions
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18
mysql-test/r/ps.result
View File

@ -1475,6 +1475,24 @@ i
1
DEALLOCATE PREPARE stmt;
DROP TABLE t1, t2;
CREATE TABLE t1 (i INT);
CREATE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 VALUES (1), (2);
SELECT t1.i FROM t1 JOIN v1 ON t1.i = v1.i
WHERE EXISTS (SELECT * FROM t1 WHERE v1.i = 1);
i
1
PREPARE stmt FROM "SELECT t1.i FROM t1 JOIN v1 ON t1.i = v1.i
WHERE EXISTS (SELECT * FROM t1 WHERE v1.i = 1)";
EXECUTE stmt;
i
1
EXECUTE stmt;
i
1
DEALLOCATE PREPARE stmt;
DROP VIEW v1;
DROP TABLE t1;
DROP PROCEDURE IF EXISTS p1;
flush status;
prepare sq from 'show status like "slow_queries"';

23
mysql-test/t/ps.test
View File

@ -1513,6 +1513,29 @@ DEALLOCATE PREPARE stmt;
DROP TABLE t1, t2;
#
# BUG#20327: Marking of a wrong field leads to a wrong result on select with
# view, prepared statement and subquery.
#
CREATE TABLE t1 (i INT);
CREATE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 VALUES (1), (2);
let $query = SELECT t1.i FROM t1 JOIN v1 ON t1.i = v1.i
WHERE EXISTS (SELECT * FROM t1 WHERE v1.i = 1);
eval $query;
eval PREPARE stmt FROM "$query";
# Statement execution should return '1'.
EXECUTE stmt;
# Check re-execution.
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
DROP VIEW v1;
DROP TABLE t1;
#
# BUG#21856: Prepared Statments: crash if bad create
#

6
sql/sql_base.cc
View File

@ -3308,6 +3308,12 @@ find_field_in_tables(THD *thd, Item_ident *item,
{
if (found == WRONG_GRANT)
return (Field*) 0;
/*
Only views fields should be marked as dependent, not an underlying
fields.
*/
if (!table_ref->belong_to_view)
{
SELECT_LEX *current_sel= thd->lex->current_select;
SELECT_LEX *last_select= table_ref->select_lex;