Commit 2094822a authored by Alexey Kopytov's avatar Alexey Kopytov

Merge mysql-5.0-bugteam -> mysql-5.1-bugteam.

parents bce55632 1eb14730
......@@ -72,26 +72,26 @@ bool String::realloc(uint32 alloc_length)
if (alloced)
{
if ((new_ptr= (char*) my_realloc(Ptr,len,MYF(MY_WME))))
{
Ptr=new_ptr;
Alloced_length=len;
}
new_ptr[alloc_length]= 0;
else
return TRUE; // Signal error
}
else if ((new_ptr= (char*) my_malloc(len,MYF(MY_WME))))
{
if (str_length > len - 1)
str_length= 0;
if (str_length) // Avoid bugs in memcpy on AIX
memcpy(new_ptr,Ptr,str_length);
new_ptr[str_length]=0;
Ptr=new_ptr;
Alloced_length=len;
memcpy(new_ptr, Ptr, str_length);
new_ptr[str_length]= 0;
alloced=1;
}
else
return TRUE; // Signal error
Ptr= new_ptr;
Alloced_length= len;
}
Ptr[alloc_length]=0; // This make other funcs shorter
else
Ptr[alloc_length]= 0;
return FALSE;
}
......
......@@ -2519,4 +2519,10 @@ def format(a, 2) 253 49 4 Y 0 31 8
format(a, 2)
1.33
drop table t1;
CREATE TABLE t1 (c DATE, aa VARCHAR(30));
INSERT INTO t1 VALUES ('2008-12-31','aaaaaa');
SELECT DATE_FORMAT(c, GET_FORMAT(DATE, 'eur')) h, CONCAT(UPPER(aa),', ', aa) i FROM t1;
h i
31.12.2008 AAAAAA, aaaaaa
DROP TABLE t1;
End of 5.0 tests
......@@ -1273,4 +1273,13 @@ select format(a, 2) from t1;
--disable_metadata
drop table t1;
#
# Bug #41868: crash or memory overrun with concat + upper, date_format functions
#
CREATE TABLE t1 (c DATE, aa VARCHAR(30));
INSERT INTO t1 VALUES ('2008-12-31','aaaaaa');
SELECT DATE_FORMAT(c, GET_FORMAT(DATE, 'eur')) h, CONCAT(UPPER(aa),', ', aa) i FROM t1;
DROP TABLE t1;
--echo End of 5.0 tests
......@@ -1587,6 +1587,11 @@ bool select_send::send_data(List<Item> &items)
my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
break;
}
/*
Reset buffer to its original state, as it may have been altered in
Item::send().
*/
buffer.set(buff, sizeof(buff), &my_charset_bin);
}
thd->sent_row_count++;
if (thd->is_error())
......
......@@ -72,26 +72,26 @@ bool String::realloc(uint32 alloc_length)
if (alloced)
{
if ((new_ptr= (char*) my_realloc(Ptr,len,MYF(MY_WME))))
{
Ptr=new_ptr;
Alloced_length=len;
}
new_ptr[alloc_length]= 0;
else
return TRUE; // Signal error
}
else if ((new_ptr= (char*) my_malloc(len,MYF(MY_WME))))
{
if (str_length > len - 1)
str_length= 0;
if (str_length) // Avoid bugs in memcpy on AIX
memcpy(new_ptr,Ptr,str_length);
new_ptr[str_length]=0;
Ptr=new_ptr;
Alloced_length=len;
memcpy(new_ptr, Ptr, str_length);
new_ptr[str_length]= 0;
alloced=1;
}
else
return TRUE; // Signal error
Ptr= new_ptr;
Alloced_length= len;
}
Ptr[alloc_length]=0; // This make other funcs shorter
else
Ptr[alloc_length]= 0;
return FALSE;
}
......
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