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" <david.g.johns...@gmail.com> ha scritto: > On Sunday, December 3, 2017, Tom Lane <t...@sss.pgh.pa.us> wrote: > >> barbiomalef...@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. >
