Merge polly.(none):/home/kaa/src/opt/bug32020/my51-bug31445

into  polly.(none):/home/kaa/src/opt/mysql-5.1-opt

mysql-test/r/skip_grants.result

@@ -72,3 +72,8 @@ count(*)
 select count(*) from information_schema.USER_PRIVILEGES;
 count(*)
 0
+CREATE FUNCTION a RETURNS STRING SONAME '';
+ERROR HY000: Can't initialize function 'a'; UDFs are unavailable with the --skip-grant-tables option
+DROP FUNCTION a;
+ERROR 42000: FUNCTION test.a does not exist
+End of 5.0 tests

mysql-test/t/skip_grants.test

@@ -122,3 +122,15 @@ select count(*) from information_schema.COLUMN_PRIVILEGES;
 select count(*) from information_schema.SCHEMA_PRIVILEGES;
 select count(*) from information_schema.TABLE_PRIVILEGES;
 select count(*) from information_schema.USER_PRIVILEGES;
+
+#
+# Bug #32020: loading udfs while --skip-grant-tables is enabled causes out of 
+#             memory errors
+#
+
+--error ER_CANT_INITIALIZE_UDF
+CREATE FUNCTION a RETURNS STRING SONAME '';
+--error ER_SP_DOES_NOT_EXIST
+DROP FUNCTION a;
+
+--echo End of 5.0 tests

sql/sql_udf.cc

@@ -393,7 +393,12 @@ int mysql_create_function(THD *thd,udf_func *udf)
 
   if (!initialized)
   {
-    my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
+    if (opt_noacl)
+      my_error(ER_CANT_INITIALIZE_UDF, MYF(0),
+               udf->name.str,
+               "UDFs are unavailable with the --skip-grant-tables option");
+    else
+      my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
     DBUG_RETURN(1);
   }
 
@@ -516,7 +521,10 @@ int mysql_drop_function(THD *thd,const LEX_STRING *udf_name)
 
   if (!initialized)
   {
-    my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
+    if (opt_noacl)
+      my_error(ER_FUNCTION_NOT_DEFINED, MYF(0), udf_name->str);
+    else
+      my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
     DBUG_RETURN(1);
   }