Thanks for the tip!
But it could be better improve the documentation highlighting that in
previous versions there was a bug.
Il 03 dic 2017 5:40 PM, "David G. Johnston" ha
scritto:
> On Sunday, December 3, 2017, Tom Lane wrote:
>
>> barbiomalefico@gmail.com writes:
>> > I copied the text in the followed by example: SELECT
>> to_tsvector('fatal
>> > error') @@ to_tsquery('fatal <-> error');
>> > but it will always goes in error: ERROR: syntax error in tsquery:
>> "fatal
>> > <-> error"
>> > SQL state: 42601
>>
>> The described symptoms sound like you're trying to use <-> with a pre-9.6
>> server. Since that feature was added in 9.6, it won't work.
>>
>> We generally don't recommend reading documentation versions that don't
>> match your server.
>>
>>
> My interpretation of the doc reading advice is to read the newest version
> of the docs to learn about stuff but if you come across any errors, syntax
> or otherwise, then read your doc version to see how older releases differ.
> Non-bug enhancements to the docs are not usually back-patched and knowing
> how current releases work is valuable knowledge to have.
>
> David J.
>