[Koha-bugs] [Bug 20261] No result in some page in authority search opac and pro (ES)

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=20261

Nick Clemens <nick at bywatersolutions.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nick at bywatersolutions.com
         Resolution|---                         |FIXED
             Status|REOPENED                    |RESOLVED

--- Comment #7 from Nick Clemens <nick at bywatersolutions.com> ---
(In reply to Janusz Kaczmarek from comment #6)
> (In reply to Janusz Kaczmarek from comment #5)
> > Did you check the impact of the patch on zebra searches? It seems that
> > removing the line:
> > 
> > my $offset = ( $startfrom - 1 ) * $resultsperpage + 1;
> > 
> > leads to improper behavior of Koha when switching to subsequent pages of
> > result set when zebra is used as a search engine: instead of jumping forward
> > every 20 (or whatsoever) entries it moves forward by one entry only.
> 
> NB. a similar line is to be found in authorities/auth_finder.pl (line 81 in
> 18.05.06): 
> 
> my $offset = $startfrom * $resultsperpage;
> 
> and works OK with zebra and search_auth_compat.
> 
> The difference is that the pages are counted 1-base in authorities-home.pl
> and 0-based in auth_finder.pl.
> 
> Does this line not harm ES searches?  If not why not unify the mode of
> operation and make authorities-home.pl 0-based with the initial phrase
> $offset = $startfrom * $resultsperpage ?  Would it be OK for ES?

See bugs 19365 and 21405

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