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10.0-base merge

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(without InnoDB - all InnoDB changes were ignored)
This commit is contained in:
Sergei Golubchik
2013-06-06 21:32:29 +02:00
parent fab9a55d07 4749d40c63
commit 72ba95873a
464 changed files with 8667 additions and 2915 deletions
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2
sql/sql_string.cc
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@ -758,7 +758,7 @@ String *copy_if_not_alloced(String *to,String *from,uint32 from_length)
{
if (from->Alloced_length >= from_length)
return from;
if (from->alloced || !to || from == to)
if ((from->alloced && (from->Alloced_length != 0)) || !to || from == to)
{
(void) from->realloc(from_length);
return from;