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Bug#45645 Mysql server close all connection and restart using lower function

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Problem: the "caseinfo" member of CHARSET_INFO structure was not
initialized for user-defined Unicode collations, which made the
server crash.
Fix: initializing caseinfo properly.
This commit is contained in:
Alexander Barkov 2009-10-19 18:23:53 +05:00
parent ce9f6dda2c
commit 2490873f3c
3 changed files with 18 additions and 0 deletions
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8
mysql-test/r/ctype_ldml.result
View File

@ -41,6 +41,14 @@ efgh efgh
ijkl ijkl ijkl ijkl
DROP TABLE t1; DROP TABLE t1;
# #
# Bug#45645 Mysql server close all connection and restart using lower function
#
CREATE TABLE t1 (a VARCHAR(10)) CHARACTER SET utf8 COLLATE utf8_test_ci;
INSERT INTO t1 (a) VALUES ('hello!');
SELECT * FROM t1 WHERE LOWER(a)=LOWER('N');
a
DROP TABLE t1;
#
# Bug#43827 Server closes connections and restarts # Bug#43827 Server closes connections and restarts
# #
CREATE TABLE t1 (c1 VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_test_ci); CREATE TABLE t1 (c1 VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_test_ci);

8
mysql-test/t/ctype_ldml.test
View File

@ -37,6 +37,14 @@ UPDATE t1 SET col2=col1;
SELECT * FROM t1 WHERE col1=col2 ORDER BY col1; SELECT * FROM t1 WHERE col1=col2 ORDER BY col1;
DROP TABLE t1; DROP TABLE t1;
--echo #
--echo # Bug#45645 Mysql server close all connection and restart using lower function
--echo #
CREATE TABLE t1 (a VARCHAR(10)) CHARACTER SET utf8 COLLATE utf8_test_ci;
INSERT INTO t1 (a) VALUES ('hello!');
SELECT * FROM t1 WHERE LOWER(a)=LOWER('N');
DROP TABLE t1;
--echo # --echo #
--echo # Bug#43827 Server closes connections and restarts --echo # Bug#43827 Server closes connections and restarts
--echo # --echo #

2
strings/ctype-uca.c
View File

@ -7858,6 +7858,8 @@ static my_bool create_tailoring(CHARSET_INFO *cs, void *(*alloc)(size_t))
return 1; return 1;
} }
cs->caseinfo= my_unicase_default;
if (!(newweights= (uint16**) (*alloc)(256*sizeof(uint16*)))) if (!(newweights= (uint16**) (*alloc)(256*sizeof(uint16*))))
return 1; return 1;
bzero(newweights, 256*sizeof(uint16*)); bzero(newweights, 256*sizeof(uint16*));