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MDEV-26595: ASAN use-after-poison my_strnxfrm_simple_internal / Histogram_json_hb::range_selectivity

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Add testcase
This commit is contained in:
Sergei Petrunia
2021-10-01 14:33:23 +03:00
parent 5ef350a7f1
commit 43a8d9f156
2 changed files with 34 additions and 4 deletions
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18
mysql-test/main/statistics_json.result
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@ -7842,7 +7842,6 @@ b a
drop table t1;
#
# MDEV-26589: Assertion failure upon DECODE_HISTOGRAM with NULLs in first column
# (Just the testcase)
#
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (NULL,1), (NULL,2);
@ -7870,6 +7869,7 @@ NULL
]
}
drop table t1;
#
# MDEV-26711: Values in JSON histograms are not properly quoted
#
create table t1 (a varchar(32));
@ -7883,7 +7883,7 @@ select * from t1 where a = 'foo';
a
drop table t1;
#
# MDEV-26724 Endless loop in json_escape_to_string upon ... empty string
# MDEV-26724 Endless loop in json_escape_to_string upon ... empty string
#
CREATE TABLE t1 (f VARCHAR(8));
INSERT INTO t1 VALUES ('a'),(''),('b');
@ -7898,3 +7898,17 @@ a
b
drop table t1;
#
# ASAN use-after-poison my_strnxfrm_simple_internal / Histogram_json_hb::range_selectivity ...
# (Just the testcase)
#
CREATE TABLE t1 (f CHAR(8));
INSERT INTO t1 VALUES ('foo'),('bar');
SET histogram_type = JSON_HB;
ANALYZE TABLE t1 PERSISTENT FOR ALL;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SELECT * FROM t1 WHERE f > 'qux';
f
DROP TABLE t1;