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MDEV-8402 Bug #77473 Truncated data with subquery & UTF8

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This commit is contained in:
Alexander Barkov 2016-06-10 17:06:38 +04:00
commit 4155d0937b
5 changed files with 119 additions and 4 deletions
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23
mysql-test/t/ctype_utf8.test
View file

@ -1658,6 +1658,29 @@ ALTER TABLE t1 MODIFY a TINYTEXT CHARACTER SET utf8;
SELECT OCTET_LENGTH(a),a FROM t1;
DROP TABLE t1;
--echo #
--echo # MDEV-8402 Bug#77473 Bug#21317406 TRUNCATED DATA WITH SUBQUERY & UTF8
--echo #
--echo #
SET NAMES utf8;
SELECT length(rpad(_utf8 0xD0B1, 65536, _utf8 0xD0B2)) AS data;
SELECT length(data) AS len FROM (
SELECT rpad(_utf8 0xD0B1, 65536, _utf8 0xD0B2) AS data
) AS sub;
SELECT length(rpad(_utf8 0xD0B1, 65535, _utf8 0xD0B2)) AS data;
SELECT length(data) AS len FROM (
SELECT rpad(_utf8 0xD0B1, 65535, _utf8 0xD0B2) AS data
) AS sub;
SELECT length(data) AS len FROM (SELECT REPEAT('ä', 36766) AS data) AS sub;
SELECT length(data) AS len FROM (SELECT REPEAT('ä', 36767) AS data) AS sub;
SELECT length(data) AS len FROM (SELECT REPEAT('ä', 36778) AS data) AS sub;
SELECT length(data) AS len FROM (SELECT REPEAT('ä', 65535) AS data) AS sub;
SELECT length(data) AS len FROM (SELECT REPEAT('ä', 65536) AS data) AS sub;
SELECT length(data) AS len FROM (SELECT REPEAT('ä', 65537) AS data) AS sub;
--echo #
--echo # End of 5.5 tests
--echo #

20
mysql-test/t/ctype_utf8mb4.test
View file

@ -1838,6 +1838,26 @@ SELECT OCTET_LENGTH(a),a FROM t1;
DROP TABLE t1;
--echo #
--echo # MDEV-8402 Bug#77473 Bug#21317406 TRUNCATED DATA WITH SUBQUERY & UTF8
--echo #
--echo #
SET NAMES utf8mb4;
SELECT length(repeat(_utf8mb4 0xE29883, 21844)) AS data;
SELECT length(data) AS len
FROM ( SELECT repeat(_utf8mb4 0xE29883, 21844) AS data ) AS sub;
SELECT length(repeat(_utf8mb4 0xE29883, 21846)) AS data;
SELECT length(data) AS len
FROM ( SELECT repeat(_utf8mb4 0xE29883, 21846) AS data ) AS sub;
SELECT LENGTH(data) AS len FROM (SELECT REPEAT('☃', 21844) AS data ) AS sub;
SELECT LENGTH(data) AS len FROM (SELECT REPEAT('☃', 21845) AS data ) AS sub;
SELECT LENGTH(data) AS len FROM (SELECT REPEAT('☃', 21846) AS data ) AS sub;
SELECT LENGTH(data) AS len FROM (SELECT REPEAT('☃', 65535) AS data ) AS sub;
SELECT LENGTH(data) AS len FROM (SELECT REPEAT('☃', 65536) AS data ) AS sub;
--echo #
--echo # End of 5.5 tests
--echo #