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MDEV-18881 Assertion `0' failed in make_sortkey upon SELECT with GROUP BY after LOAD DATA

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This commit is contained in:
Alexander Barkov
2019-03-18 15:33:59 +04:00
parent 6c08174e36
commit 3b98c65c4e
4 changed files with 95 additions and 37 deletions
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30
mysql-test/t/func_str.test
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@@ -1610,6 +1610,36 @@ drop table t1,t2;
#
select md5(_filename "a"), sha(_filename "a");
--echo #
--echo # MDEV-18881 Assertion `0' failed in make_sortkey upon SELECT with GROUP BY after LOAD DATA
--echo #
CREATE TABLE t1 (a BIT(22), b CHAR(8) NOT NULL, c CHAR(8));
INSERT INTO t1 VALUES (0xA4B,'foo','qux');
INSERT INTO t1 VALUES (0x8F5,'bar','foobar');
INSERT INTO t1 VALUES (0x0, '', NULL);
INSERT INTO t1 VALUES (0x4B, 'foo','qux');
INSERT INTO t1 VALUES (0x8F5, 'bar', 'foobar');
SET SESSION SQL_MODE= '';
SELECT GROUP_CONCAT(c) AS f FROM t1 GROUP BY LPAD('foo', 20, b);
DROP TABLE t1;
SET SESSION SQL_MODE=DEFAULT;
CREATE TABLE t1 AS SELECT
LPAD('a',10,' '),
RPAD('a',10,' '),
LPAD('a',10,' '),
RPAD('a',10,' '),
LPAD('a',10,NULL),
RPAD('a',10,NULL),
LPAD('a',10,''),
RPAD('a',10,''),
LPAD('a',10,RAND()),
RPAD('a',10,RAND());
SHOW CREATE TABLE t1;
DROP TABLE t1;
--echo #
--echo # End of 5.5 tests
--echo #