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Fixing a bug in MDEV-8418 (utf16, utf16le) and MDEV-8417 (utf8mb4).

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Fixing non-BMP characters to have the same weight, as it was before
MDEV-8418 and MDEV-8417.
This commit is contained in:
Alexander Barkov
2015-07-06 18:59:33 +04:00
parent b2e324a21f
commit 3a606ba210
11 changed files with 385 additions and 139 deletions
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23
mysql-test/include/ctype_utf8mb4.inc
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@@ -1808,16 +1808,21 @@ DROP TABLE t1;
--echo #
--echo # MDEV-8417 utf8mb4: compare broken bytes as "greater than any non-broken character"
--echo #
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET utf8mb4, KEY(a));
INSERT INTO t1 VALUES (0x61);
INSERT INTO t1 VALUES (0xC280),(0xDFBF);
INSERT INTO t1 VALUES (0xE0A080),(0xEFBFBF);
INSERT INTO t1 VALUES (0xF0908080),(0xF48FBFBF);
SELECT HEX(a) FROM t1 ORDER BY a;
SELECT HEX(a) FROM t1 ORDER BY a DESC;
CREATE TABLE t1 (
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
a VARCHAR(10) CHARACTER SET utf8mb4, KEY(a,id)
);
INSERT INTO t1 (a) VALUES (0x61);
INSERT INTO t1 (a) VALUES (0xC280),(0xDFBF);
INSERT INTO t1 (a) VALUES (0xE0A080),(0xEFBFBF);
INSERT INTO t1 (a) VALUES (0xF0908080),(0xF48FBFBF);
SELECT id,HEX(a) FROM t1 ORDER BY a,id;
SELECT id,HEX(a) FROM t1 ORDER BY a DESC,id DESC;
SELECT COUNT(DISTINCT a) FROM t1;
ALTER TABLE t1 MODIFY a VARCHAR(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
SELECT HEX(a) FROM t1 ORDER BY a;
SELECT HEX(a) FROM t1 ORDER BY a DESC;
SELECT id,HEX(a) FROM t1 ORDER BY a;
SELECT id,HEX(a) FROM t1 ORDER BY a DESC,id DESC;
SELECT COUNT(DISTINCT a) FROM t1;
DROP TABLE t1;
--echo #