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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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1
strings/ctype-uca.c
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@@ -7992,6 +7992,7 @@ static my_bool create_tailoring(CHARSET_INFO *cs, void *(*alloc)(size_t))
static my_bool my_coll_init_uca(CHARSET_INFO *cs, void *(*alloc)(size_t))
{
cs->pad_char= ' ';
cs->ctype= my_charset_utf8_unicode_ci.ctype;
return create_tailoring(cs, alloc);
}