Merge mysql.com:/home/mysql-4.1-10418

into  mysql.com:/home/mysql-5.0-10418


mysql-test/t/outfile.test:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
mysql-test/r/func_str.result:
  expect NULL rather than error if file given to load_file() doesn't exist
mysql-test/r/outfile.result:
  expect NULL rather than error if file given to load_file() doesn't exist
mysql-test/t/func_str.test:
  show that load_file() will return NULL rather than throw an error
  if file doesn't exist

mysql-test/r/func_str.result

@@ -1017,6 +1017,13 @@ t
 1000000
 1      
 drop table t1;
+select load_file("lkjlkj");
+load_file("lkjlkj")
+NULL
+select ifnull(load_file("lkjlkj"),"it's null");
+ifnull(load_file("lkjlkj"),"it's null")
+it's null
+End of 4.1 tests
 create table t1 (d decimal default null);
 insert into t1 values (null);
 select format(d, 2) from t1;

mysql-test/t/func_str.test

@@ -666,7 +666,14 @@ select rpad(i, 7, ' ') as t from t1;
 --disable_metadata
 drop table t1;
 
-# End of 4.1 tests
+#
+# Bug #10418: LOAD_FILE does not behave like in manual if file does not exist
+#
+
+select load_file("lkjlkj");
+select ifnull(load_file("lkjlkj"),"it's null");
+
+--echo End of 4.1 tests
 
 #
 # Bug #13361: SELECT FORMAT(<decimal field with null>, 2) crashes

mysql-test/t/outfile.test

@@ -40,7 +40,6 @@ eval select * into dumpfile "../tmp/outfile-test.2" from t1;
 --error 1086
 eval select * into dumpfile "../tmp/outfile-test.3" from t1;
 enable_query_log;
---error 13,2
 select load_file(concat(@tmpdir,"/outfile-test.not-exist"));
 --exec rm $MYSQLTEST_VARDIR/tmp/outfile-test.1
 --exec rm $MYSQLTEST_VARDIR/tmp/outfile-test.2

sql/item_strfunc.cc

@@ -2579,7 +2579,7 @@ String *Item_load_file::val_str(String *str)
   (void) fn_format(path, file_name->c_ptr(), mysql_real_data_home, "",
 		   MY_RELATIVE_PATH | MY_UNPACK_FILENAME);
 
-  if (!my_stat(path, &stat_info, MYF(MY_WME)))
+  if (!my_stat(path, &stat_info, MYF(0)))
     goto err;
 
   if (!(stat_info.st_mode & S_IROTH))