7
7
explain extended select default(str), default(strnull), default(intg), default(rel) from t1;
8
8
id select_type table type possible_keys key key_len ref rows filtered Extra
11
Note 1003 select default('') AS "default(str)",default('') AS "default(strnull)",default('0') AS "default(intg)",default('0') AS "default(rel)" from "test"."t1"
11
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`
12
12
select * from t1 where str <> default(str);
15
15
explain select * from t1 where str <> default(str);
16
16
id select_type table type possible_keys key key_len ref rows Extra
20
20
INSERT INTO t1 VALUES (1, 'one'), (2, 'two'), (3, 'three');
21
21
SELECT s, 32 AS mi FROM t1 GROUP BY s HAVING DEFAULT(mi) IS NULL;
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22
ERROR HY000: Field 'mi' doesn't have a default value