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Merge 10.2 into 10.3

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This commit is contained in:
Marko Mäkelä
2018-05-29 17:34:49 +03:00
parent c98e6d4b3d 6f96ff7268
commit a3539bbb2a
76 changed files with 1593 additions and 343 deletions
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13
sql/sql_string.cc
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@ -240,8 +240,17 @@ bool String::copy(const char *str,size_t arg_length, CHARSET_INFO *cs)
{
if (alloc(arg_length))
return TRUE;
DBUG_ASSERT(arg_length <= UINT_MAX32);
if ((str_length=(uint32)arg_length))
DBUG_ASSERT(arg_length < UINT_MAX32);
if (Ptr == str && arg_length == uint32(str_length))
{
/*
This can happen in some cases. This code is here mainly to avoid
warnings from valgrind, but can also be an indication of error.
*/
DBUG_PRINT("warning", ("Copying string on itself: %p %zu",
str, arg_length));
}
else if ((str_length=uint32(arg_length)))
memcpy(Ptr,str,arg_length);
Ptr[arg_length]=0;
str_charset=cs;