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Merge gleb.loc:/home/uchum/work/bk/5.0-opt-27352

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into  gleb.loc:/home/uchum/work/bk/5.0-opt
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gshchepa/uchum@gleb.loc
2007-08-03 02:03:01 +05:00
parent 0233a79321 b63f8f8985
commit 58f697f55a
5 changed files with 49 additions and 0 deletions
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10
mysql-test/r/select.result
View File

@@ -3995,4 +3995,14 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE f1 index inx inx 10 NULL 7 Using where; Using index
1 SIMPLE f2 ref inx inx 5 test.f1.b 1 Using where; Using index
DROP TABLE t1;
CREATE TABLE t1 (c1 INT, c2 INT);
INSERT INTO t1 VALUES (1,11), (2,22), (2,22);
EXPLAIN SELECT c1 FROM t1 WHERE (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT COUNT(c2)))))))))))))))))))))))))))))))) > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where
31 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
32 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
EXPLAIN SELECT c1 FROM t1 WHERE (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT COUNT(c2))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) > 0;
ERROR HY000: Too high level of nesting for select
DROP TABLE t1;
End of 5.0 tests

30
mysql-test/t/select.test
View File

@@ -3370,4 +3370,34 @@ EXPLAIN SELECT COUNT(*) FROM t1 f1 INNER JOIN t1 f2
WHERE 1 AND f1.b NOT IN (100,2232,3343,51111);
DROP TABLE t1;
#
# Bug #27352: Incorrect result of nested selects instead of error reporting
#
CREATE TABLE t1 (c1 INT, c2 INT);
INSERT INTO t1 VALUES (1,11), (2,22), (2,22);
let $n= 31;
let $q= COUNT(c2);
while ($n)
{
let $q= (SELECT $q);
dec $n;
}
--disable_warnings
eval EXPLAIN SELECT c1 FROM t1 WHERE $q > 0;
--enable_warnings
let $n= 64;
let $q= COUNT(c2);
while ($n)
{
let $q= (SELECT $q);
dec $n;
}
--error ER_TOO_HIGH_LEVEL_OF_NESTING_FOR_SELECT
eval EXPLAIN SELECT c1 FROM t1 WHERE $q > 0;
DROP TABLE t1;
--echo End of 5.0 tests