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Bug#43827 Server closes connections and restarts

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Problem:
  Crash happened with a user-defined utf8 collation,
  on attempt to insert a value longer than the column
  to store.
Reason:
  The "ctype" member was not initialized (NULL) when
  allocating a user-defined utf8 collation, so an attempt
  to call my_ctype(cs, *str) to check if we loose any important
  data when truncating the value made the server crash.
Fix:
  Initializing tge "ctype" member to a proper value.


mysql-test/r/ctype_ldml.result
  Adding tests

mysql-test/t/ctype_ldml.test
  Adding tests

strings/ctype-uca.c
  Adding initialization of "ctype" member.

modified:
  mysql-test/r/ctype_ldml.result
  mysql-test/t/ctype_ldml.test
  strings/ctype-uca.c
This commit is contained in:
Alexander Barkov
2009-06-04 14:35:29 +05:00
parent 9379a4e0c0
commit 00792d3781
3 changed files with 18 additions and 0 deletions
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8
mysql-test/r/ctype_ldml.result
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@@ -40,6 +40,14 @@ abcd abcd
efgh efgh
ijkl ijkl
DROP TABLE t1;
#
# Bug#43827 Server closes connections and restarts
#
CREATE TABLE t1 (c1 VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_test_ci);
INSERT INTO t1 SELECT REPEAT('a',11);
Warnings:
Warning 1265 Data truncated for column 'c1' at row 1
DROP TABLE t1;
show collation like 'ucs2_vn_ci';
Collation Charset Id Default Compiled Sortlen
ucs2_vn_ci ucs2 242 8