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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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mysql-test/r/func_default.result
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@ -8,7 +8,7 @@ explain extended select default(str), default(strnull), default(intg), default(r
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 default(`test`.`t1`.`str`) AS `default(str)`,default(`test`.`t1`.`strnull`) AS `default(strnull)`,default(`test`.`t1`.`intg`) AS `default(intg)`,default(`test`.`t1`.`rel`) AS `default(rel)` from `test`.`t1`
Note 1003 select default('') AS `default(str)`,default('') AS `default(strnull)`,default('0') AS `default(intg)`,default('0') AS `default(rel)` from `test`.`t1`
select * from t1 where str <> default(str);
str strnull intg rel
0 0