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Fixed a valgrind warning with the fix for bug 28702.

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unknown 2007-10-02 15:36:07 +03:00
parent 832616f177
commit 37beea410c
1 changed files with 10 additions and 2 deletions
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12
sql/sql_select.cc
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@ -15493,6 +15493,7 @@ TABLE_LIST::print_index_hint(THD *thd, String *str,
List_iterator_fast<String> li(indexes);
String *idx;
bool first= 1;
int find_length= strlen(primary_key_name);
str->append (' ');
str->append (hint, hint_length);
@ -15503,8 +15504,15 @@ TABLE_LIST::print_index_hint(THD *thd, String *str,
first= 0;
else
str->append(',');
if (!my_strcasecmp (system_charset_info, idx->c_ptr_safe(),
primary_key_name))
/*
It's safe to use ptr() here because we compare the length first
and we rely that my_strcasecmp will not access more than length()
chars from the string. See test_if_string_in_list() for similar
implementation.
*/
if (find_length == idx->length() &&
!my_strcasecmp (system_charset_info, primary_key_name,
idx->ptr()))
str->append(primary_key_name);
else
append_identifier (thd, str, idx->ptr(), idx->length());