summaryrefslogtreecommitdiff
path: root/sql/item.cc
diff options
context:
space:
mode:
Diffstat (limited to 'sql/item.cc')
-rw-r--r--sql/item.cc22
1 files changed, 18 insertions, 4 deletions
diff --git a/sql/item.cc b/sql/item.cc
index 92dbff867c5..90730793b0f 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -932,7 +932,7 @@ bool Item_string::eq(const Item *item, bool binary_cmp) const
/**
Get the value of the function as a MYSQL_TIME structure.
- As a extra convenience the time structure is reset on error!
+ As a extra convenience the time structure is reset on error or NULL values!
*/
bool Item::get_date(MYSQL_TIME *ltime,uint fuzzydate)
@@ -948,8 +948,12 @@ bool Item::get_date(MYSQL_TIME *ltime,uint fuzzydate)
}
else
{
- longlong value= val_int();
int was_cut;
+ longlong value= val_int();
+
+ if (null_value)
+ goto err;
+
if (number_to_datetime(value, ltime, fuzzydate, &was_cut) == LL(-1))
{
char buff[22], *end;
@@ -2775,6 +2779,16 @@ bool Item_param::set_longdata(const char *str, ulong length)
(here), and first have to concatenate all pieces together,
write query to the binary log and only then perform conversion.
*/
+ if (str_value.length() + length > max_long_data_size)
+ {
+ my_message(ER_UNKNOWN_ERROR,
+ "Parameter of prepared statement which is set through "
+ "mysql_send_long_data() is longer than "
+ "'max_long_data_size' bytes",
+ MYF(0));
+ DBUG_RETURN(true);
+ }
+
if (str_value.append(str, length, &my_charset_bin))
DBUG_RETURN(TRUE);
state= LONG_DATA_VALUE;
@@ -6142,7 +6156,7 @@ void Item_ref::print(String *str, enum_query_type query_type)
{
THD *thd= current_thd;
append_identifier(thd, str, (*ref)->real_item()->name,
- (*ref)->real_item()->name_length);
+ strlen((*ref)->real_item()->name));
}
else
(*ref)->print(str, query_type);
@@ -7164,7 +7178,7 @@ String *Item_cache_int::val_str(String *str)
DBUG_ASSERT(fixed == 1);
if (!value_cached && !cache_value())
return NULL;
- str->set(value, default_charset());
+ str->set_int(value, unsigned_flag, default_charset());
return str;
}