MDEV-33493 Spider: Make a symlink result file a normal file

storage/spider/mysql-test/spider/bugfix/r/udf_mysql_func_early_init_file.result

@@ -0,0 +1,43 @@
+#
+# Test that udf created by inserting into mysql_func works as expected
+#
+CREATE SERVER s_1 FOREIGN DATA WRAPPER mysql OPTIONS (
+HOST 'localhost',
+DATABASE 'auto_test_local',
+USER 'root',
+PASSWORD '',
+SOCKET '$MASTER_1_MYSOCK'
+    );
+CREATE SERVER s_2_1 FOREIGN DATA WRAPPER mysql OPTIONS (
+HOST 'localhost',
+DATABASE 'auto_test_remote',
+USER 'root',
+PASSWORD '',
+SOCKET '$CHILD2_1_MYSOCK'
+    );
+connect  master_1, localhost, root, , , $MASTER_1_MYPORT, $MASTER_1_MYSOCK;
+connect  child2_1, localhost, root, , , $CHILD2_1_MYPORT, $CHILD2_1_MYSOCK;
+connection child2_1;
+CREATE DATABASE auto_test_remote;
+USE auto_test_remote;
+CREATE TABLE tbl_a (
+a INT
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+insert into tbl_a values (42);
+connection master_1;
+CREATE DATABASE auto_test_local;
+USE auto_test_local;
+CREATE TABLE tbl_a (
+a INT
+) ENGINE=Spider DEFAULT CHARSET=utf8 COMMENT='table "tbl_a", srv "s_2_1"';
+create temporary table results (a int);
+SELECT SPIDER_DIRECT_SQL('select * from tbl_a', 'results', 'srv "s_2_1", database "auto_test_remote"');
+SPIDER_DIRECT_SQL('select * from tbl_a', 'results', 'srv "s_2_1", database "auto_test_remote"')
+1
+select * from results;
+a
+42
+connection master_1;
+DROP DATABASE IF EXISTS auto_test_local;
+connection child2_1;
+DROP DATABASE IF EXISTS auto_test_remote;