Merge pull request #18049 from yuki3738/fix_rails_db_command_error

Add a code checking about file or not to the rails db command

railties/lib/rails/commands/dbconsole.rb

@@ -178,7 +178,7 @@ def find_cmd_and_exec(commands, *args)
       found = commands.detect do |cmd|
         dirs_on_path.detect do |path|
           full_path_command = File.join(path, cmd)
-          File.executable? full_path_command
+          File.file?(full_path_command) && File.executable?(full_path_command)
         end
       end