mysql --skip-column-names flag should not affect alignment of field values,

set num_flag[] unconditionally, not under "if (column_names)"

http://ronaldbradford.com/blog/unexplained-trivial-mysql-behavior-2013-08-02/

client/mysql.cc

@@ -3510,6 +3510,7 @@ print_table_data(MYSQL_RES *result)
     if (length < 4 && !IS_NOT_NULL(field->flags))
       length=4;					// Room for "NULL"
     field->max_length=length;
+    num_flag[mysql_field_tell(result) - 1]= IS_NUM(field->type);
     separator.fill(separator.length()+length+2,'-');
     separator.append('+');
   }
@@ -3529,7 +3530,6 @@ print_table_data(MYSQL_RES *result)
       tee_fprintf(PAGER, " %-*s |",(int) min(display_length,
                                             MAX_COLUMN_LENGTH),
                   field->name);
-      num_flag[off]= IS_NUM(field->type);
     }
     (void) tee_fputs("\n", PAGER);
     tee_puts((char*) separator.ptr(), PAGER);

mysql-test/r/mysql.result

@@ -515,5 +515,9 @@ aa`bb``cc
 drop database `aa``bb````cc`;
 a
 >>\ndelimiter\n<<
++-------------------+
+| a                 |
+| aaaaaaaaaaaaaaaaa |
++-------------------+
 
 End of tests

mysql-test/t/mysql.test

@@ -603,5 +603,10 @@ delimiter
 EOF
 --exec $MYSQL < $MYSQLTEST_VARDIR/tmp/13639125.sql
 
+#
+# --skip-column-names and alignment
+#
+--exec $MYSQL -t -N -e "SELECT 'a' union select 'aaaaaaaaaaaaaaaaa'"
+
 --echo
 --echo End of tests