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Bug #28702: VIEWs defined with USE/FORCE KEY ignore that request

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When storing the VIEW the CREATE VIEW command is reconstructed 
from the parse tree. While constructing the command string
the index hints specified should also be printed.
Fixed by adding code to print the index hints when printing a 
table in the FROM clause.
This commit is contained in:
gkodinov/kgeorge@magare.gmz
2007-09-24 15:34:10 +03:00
parent 44292dcb3b
commit 4cd18bde81
4 changed files with 103 additions and 0 deletions
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28
mysql-test/r/view.result
View File

@ -3573,4 +3573,32 @@ SELECT * FROM v1 IGNORE KEY(non_existant);
ERROR HY000: Incorrect usage of IGNORE INDEX and VIEW
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT, b INT NOT NULL DEFAULT 0,
PRIMARY KEY(a), KEY (b));
INSERT INTO t1 VALUES (),(),(),(),(),(),(),(),(),(),(),(),(),(),();
CREATE VIEW v1 AS SELECT * FROM t1 FORCE KEY (PRIMARY,b) ORDER BY a;
SHOW CREATE VIEW v1;
View Create View
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` FORCE INDEX (PRIMARY,`b`) order by `t1`.`a`
EXPLAIN SELECT * FROM v1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 15
CREATE VIEW v2 AS SELECT * FROM t1 USE KEY () ORDER BY a;
SHOW CREATE VIEW v2;
View Create View
v2 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` USE INDEX () order by `t1`.`a`
EXPLAIN SELECT * FROM v2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 15 Using filesort
CREATE VIEW v3 AS SELECT * FROM t1 IGNORE KEY (b) ORDER BY a;
SHOW CREATE VIEW v3;
View Create View
v3 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` IGNORE INDEX (`b`) order by `t1`.`a`
EXPLAIN SELECT * FROM v3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 15 Using filesort
DROP VIEW v1;
DROP VIEW v2;
DROP VIEW v3;
DROP TABLE t1;
End of 5.0 tests.

21
mysql-test/t/view.test
View File

@ -3434,5 +3434,26 @@ DROP VIEW v1;
DROP TABLE t1;
#
# Bug #28702: VIEWs defined with USE/FORCE KEY ignore that request
#
CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT, b INT NOT NULL DEFAULT 0,
PRIMARY KEY(a), KEY (b));
INSERT INTO t1 VALUES (),(),(),(),(),(),(),(),(),(),(),(),(),(),();
CREATE VIEW v1 AS SELECT * FROM t1 FORCE KEY (PRIMARY,b) ORDER BY a;
SHOW CREATE VIEW v1;
EXPLAIN SELECT * FROM v1;
CREATE VIEW v2 AS SELECT * FROM t1 USE KEY () ORDER BY a;
SHOW CREATE VIEW v2;
EXPLAIN SELECT * FROM v2;
CREATE VIEW v3 AS SELECT * FROM t1 IGNORE KEY (b) ORDER BY a;
SHOW CREATE VIEW v3;
EXPLAIN SELECT * FROM v3;
DROP VIEW v1;
DROP VIEW v2;
DROP VIEW v3;
DROP TABLE t1;
--echo End of 5.0 tests.