Re: Question about array_to_string()'s behavior and the behavior might be changed in the future or not - Mailing list pgsql-general

From Andrew Gierth
Subject Re: Question about array_to_string()'s behavior and the behavior might be changed in the future or not
Date
Msg-id 87munzixk4.fsf@news-spur.riddles.org.uk
Whole thread Raw
In response to Question about array_to_string()'s behavior and the behavior mightbe changed in the future or not  ("Egashira, Yusuke" <egashira.yusuke@jp.fujitsu.com>)
Responses RE: Question about array_to_string()'s behavior and the behaviormight be changed in the future or not  ("Egashira, Yusuke" <egashira.yusuke@jp.fujitsu.com>)
List pgsql-general
>>>>> "Egashira" == Egashira, Yusuke <egashira.yusuke@jp.fujitsu.com> 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)


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