MDEV-388 Creating a federated table with a non-existing server returns a random error code

mysql-test/suite/federated/federatedx.result

@@ -2157,6 +2157,13 @@ DROP TABLE federated.t1;
 End of 5.1 tests
 SET @@GLOBAL.CONCURRENT_INSERT= @OLD_MASTER_CONCURRENT_INSERT;
 SET @@GLOBAL.CONCURRENT_INSERT= @OLD_SLAVE_CONCURRENT_INSERT;
+CREATE TABLE t1 (a INT) ENGINE=FEDERATED CONNECTION='non_existing';
+ERROR HY000: Can't create/write to file 'server name: 'non_existing' doesn't exist!' (Errcode: 16)
+SHOW WARNINGS;
+Level	Code	Message
+Error	1	Can't create/write to file 'server name: 'non_existing' doesn't exist!' (Errcode: 16)
+Error	1	Can't create/write to file 'non_existing' (Errcode: 14)
+Error	1005	Can't create table 'test.t1' (errno: 1)
 DROP TABLE IF EXISTS federated.t1;
 DROP DATABASE IF EXISTS federated;
 DROP TABLE IF EXISTS federated.t1;

mysql-test/suite/federated/federatedx.test

@@ -1999,4 +1999,12 @@ connection slave;
 SET @@GLOBAL.CONCURRENT_INSERT= @OLD_SLAVE_CONCURRENT_INSERT;
 
 connection default;
+
+#
+# MDEV-388 Creating a federated table with a non-existing server returns a random error code
+#
+--error 1
+CREATE TABLE t1 (a INT) ENGINE=FEDERATED CONNECTION='non_existing';
+SHOW WARNINGS;
+
 source include/federated_cleanup.inc;

storage/federated/ha_federated.cc

@@ -587,7 +587,7 @@ static int parse_url_error(FEDERATED_SHARE *share, TABLE *table, int error_num)
   buf_len= min(table->s->connect_string.length,
                FEDERATED_QUERY_BUFFER_SIZE-1);
   strmake(buf, table->s->connect_string.str, buf_len);
-  my_error(error_num, MYF(0), buf);
+  my_error(error_num, MYF(0), buf, 14);
   DBUG_RETURN(error_num);
 }
 

storage/federatedx/ha_federatedx.cc

@@ -525,7 +525,7 @@ static int parse_url_error(FEDERATEDX_SHARE *share, TABLE *table, int error_num)
   buf_len= min(table->s->connect_string.length,
                FEDERATEDX_QUERY_BUFFER_SIZE-1);
   strmake(buf, table->s->connect_string.str, buf_len);
-  my_error(error_num, MYF(0), buf);
+  my_error(error_num, MYF(0), buf, 14);
   DBUG_RETURN(error_num);
 }