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-rw-r--r--sql/item_func.cc15
-rw-r--r--sql/item_func.h1
-rw-r--r--sql/item_sum.cc11
-rw-r--r--sql/item_sum.h1
-rw-r--r--sql/sql_udf.h1
5 files changed, 29 insertions, 0 deletions
diff --git a/sql/item_func.cc b/sql/item_func.cc
index 2b38584fe23..d1d89b70d10 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -1618,6 +1618,13 @@ longlong Item_func_bit_count::val_int()
udf_handler::~udf_handler()
{
+ /* Everything should be properly cleaned up by this moment. */
+ DBUG_ASSERT(not_original || !(initialized || buffers));
+}
+
+
+void udf_handler::cleanup()
+{
if (!not_original)
{
if (initialized)
@@ -1629,9 +1636,11 @@ udf_handler::~udf_handler()
(*deinit)(&initid);
}
free_udf(u_d);
+ initialized= FALSE;
}
if (buffers) // Because of bug in ecc
delete [] buffers;
+ buffers= 0;
}
}
@@ -1871,6 +1880,12 @@ String *udf_handler::val_str(String *str,String *save_str)
}
+void Item_udf_func::cleanup()
+{
+ udf.cleanup();
+ Item_func::cleanup();
+}
+
double Item_func_udf_float::val()
{
diff --git a/sql/item_func.h b/sql/item_func.h
index 3a309f4ae99..7244fc73a42 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -786,6 +786,7 @@ public:
fixed= 1;
return res;
}
+ void cleanup();
Item_result result_type () const { return udf.result_type(); }
table_map not_null_tables() const { return 0; }
};
diff --git a/sql/item_sum.cc b/sql/item_sum.cc
index 7e9c5d09136..dd4cda4ff91 100644
--- a/sql/item_sum.cc
+++ b/sql/item_sum.cc
@@ -1449,6 +1449,17 @@ bool Item_udf_sum::add()
DBUG_RETURN(0);
}
+void Item_udf_sum::cleanup()
+{
+ /*
+ udf_handler::cleanup() nicely handles case when we have not
+ original item but one created by copy_or_same() method.
+ */
+ udf.cleanup();
+ Item_sum::cleanup();
+}
+
+
Item *Item_sum_udf_float::copy_or_same(THD* thd)
{
return new (thd->mem_root) Item_sum_udf_float(thd, this);
diff --git a/sql/item_sum.h b/sql/item_sum.h
index dab136e4716..040d9395e3a 100644
--- a/sql/item_sum.h
+++ b/sql/item_sum.h
@@ -550,6 +550,7 @@ public:
bool add();
void reset_field() {};
void update_field() {};
+ void cleanup();
};
diff --git a/sql/sql_udf.h b/sql/sql_udf.h
index d1f99a6d232..acb04e949a3 100644
--- a/sql/sql_udf.h
+++ b/sql/sql_udf.h
@@ -67,6 +67,7 @@ class udf_handler :public Sql_alloc
bool get_arguments();
bool fix_fields(THD *thd,struct st_table_list *tlist,Item_result_field *item,
uint arg_count,Item **args);
+ void cleanup();
double val(my_bool *null_value)
{
if (get_arguments())