Commit ad502388 authored by istruewing@stella.local's avatar istruewing@stella.local

Merge stella.local:/home2/mydev/mysql-5.0-bug32705

into  stella.local:/home2/mydev/mysql-5.0-axmrg
parents f8ade5e9 cd1b00e8
......@@ -791,8 +791,17 @@ static void setup_key_functions(register MI_KEYDEF *keyinfo)
keyinfo->get_key= _mi_get_pack_key;
if (keyinfo->seg[0].flag & HA_PACK_KEY)
{ /* Prefix compression */
/*
_mi_prefix_search() compares end-space against ASCII blank (' ').
It cannot be used for character sets, that do not encode the
blank character like ASCII does. UCS2 is an example. All
character sets with a fixed width > 1 or a mimimum width > 1
cannot represent blank like ASCII does. In these cases we have
to use _mi_seq_search() for the search.
*/
if (!keyinfo->seg->charset || use_strnxfrm(keyinfo->seg->charset) ||
(keyinfo->seg->flag & HA_NULL_PART))
(keyinfo->seg->flag & HA_NULL_PART) ||
(keyinfo->seg->charset->mbminlen > 1))
keyinfo->bin_search=_mi_seq_search;
else
keyinfo->bin_search=_mi_prefix_search;
......
......@@ -1839,6 +1839,16 @@ CHECK TABLE t1 EXTENDED;
Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
CREATE TABLE t1 (
c1 CHAR(255) CHARACTER SET UCS2 COLLATE UCS2_BIN NOT NULL,
KEY(c1)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('marshall\'s');
INSERT INTO t1 VALUES ('marsh');
CHECK TABLE t1 EXTENDED;
Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
CREATE TABLE t1 (id int NOT NULL, ref int NOT NULL, INDEX (id)) ENGINE=MyISAM;
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 (id, ref) VALUES (1,3), (2,1), (3,2), (4,5), (4,4);
......
......@@ -1193,6 +1193,19 @@ SET @@myisam_repair_threads=1;
CHECK TABLE t1 EXTENDED;
DROP TABLE t1;
#
# Bug#32705 - myisam corruption: Key in wrong position
# at page 1024 with ucs2_bin
#
CREATE TABLE t1 (
c1 CHAR(255) CHARACTER SET UCS2 COLLATE UCS2_BIN NOT NULL,
KEY(c1)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('marshall\'s');
INSERT INTO t1 VALUES ('marsh');
CHECK TABLE t1 EXTENDED;
DROP TABLE t1;
#
# Bug#28837: MyISAM storage engine error (134) doing delete with self-join
#
......
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