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Bug#22331: Wrong WHERE in EXPLAIN EXTENDED when all expressions were optimized

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away.

Additional fix for bug#22331. Now Item_field prints its value in the case of
the const field.
This commit is contained in:
evgen@moonbone.local
2007-03-10 00:29:02 +03:00
parent 999c1cdcc1
commit 04f5c46d5d
12 changed files with 49 additions and 25 deletions
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2
mysql-test/r/func_regexp.result
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@ -40,7 +40,7 @@ explain extended select * from t1 where xxx regexp('is a test of some long text
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
Warnings:
Note 1003 select `test`.`t1`.`xxx` AS `xxx` from `test`.`t1` where (`test`.`t1`.`xxx` regexp _latin1'is a test of some long text to')
Note 1003 select 'this is a test of some long text to see what happens' AS `xxx` from `test`.`t1` where ('this is a test of some long text to see what happens' regexp _latin1'is a test of some long text to')
select * from t1 where xxx regexp('is a test of some long text to ');
xxx
this is a test of some long text to see what happens