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Item::print(): remove redundant parentheses

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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
parent 1db438c833
commit 180065ebb0
188 changed files with 2684 additions and 2553 deletions
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2
mysql-test/r/udf.result
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@ -440,7 +440,7 @@ EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE f1=1 + myfunc_double(1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where (`test`.`t1`.`f1` = <cache>((1 + myfunc_double(1 AS `1`))))
Note 1003 select 1 AS `1` from `test`.`t1` where `test`.`t1`.`f1` = <cache>(1 + myfunc_double(1 AS `1`))
DROP FUNCTION myfunc_double;
DROP TABLE t1;
#