Hi, Andrew Thank you for immediate replying. I'm relieved. Regards. -- Yusuke, Egashira -----Original Message----- From: Andrew Gierth [mailto:andrew@xxxxxxxxxxxxxxxxxxxx] Sent: Thursday, January 17, 2019 3:56 PM To: Egashira, Yusuke/江頭 勇佑 <egashira.yusuke@xxxxxxxxxxxxxx> Cc: 'pgsql-general@xxxxxxxxxxxxxx' <pgsql-general@xxxxxxxxxxxxxx> Subject: Re: Question about array_to_string()'s behavior and the behavior might be changed in the future or not >>>>> "Egashira" == Egashira, Yusuke <egashira.yusuke@xxxxxxxxxxxxxx> writes: Egashira> Hi, Egashira> I have a question about array_to_string(). Egashira> I think array_to_string() concatenates always array elements Egashira> from the "beginning" of the array elements and this rule will Egashira> not be changed on the future minor releases. Egashira> Is my understanding correct? The order of elements in the original array will always be preserved in the string output, yes. Egashira> For example, I understand that array_to_string() "never" Egashira> output like following result now and in the future, is my Egashira> understanding correct? Yes. -- Andrew (irc:RhodiumToad)
