Item::print(): remove redundant parentheses

by introducing new Item::precedence() method and using it
to decide whether parentheses are required
This commit is contained in:
Sergei Golubchik 2016-11-27 19:50:10 +01:00
commit 180065ebb0
188 changed files with 2684 additions and 2553 deletions

View file

@ -794,7 +794,7 @@ CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = 1;
CREATE VIEW v2 AS SELECT * FROM t1 WHERE b <> UUID();
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` where (`t1`.`a` = 1) latin1 latin1_swedish_ci
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` where `t1`.`a` = 1 latin1 latin1_swedish_ci
SELECT * FROM v1 ORDER BY a;
a b
1 test1
@ -802,7 +802,7 @@ connection slave;
USE test_rpl;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` where (`t1`.`a` = 1) latin1 latin1_swedish_ci
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` where `t1`.`a` = 1 latin1 latin1_swedish_ci
SELECT * FROM v1 ORDER BY a;
a b
1 test1
@ -810,7 +810,7 @@ connection master;
ALTER VIEW v1 AS SELECT * FROM t1 WHERE a = 2;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` where (`t1`.`a` = 2) latin1 latin1_swedish_ci
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` where `t1`.`a` = 2 latin1 latin1_swedish_ci
SELECT * FROM v1 ORDER BY a;
a b
2 test2
@ -818,7 +818,7 @@ connection slave;
USE test_rpl;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` where (`t1`.`a` = 2) latin1 latin1_swedish_ci
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` where `t1`.`a` = 2 latin1 latin1_swedish_ci
SELECT * FROM v1 ORDER BY a;
a b
2 test2