<div dir="ltr"><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Hello Sir/Ma'am</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">I
would be really grateful if you could clear my following queries:</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">1)
In the ticket #215 (</span><span style="font-family:Verdana,sans-serif">Boolean OR could be optimised further</span><span style="font-family:Arial,sans-serif">) <a href="https://trac.xapian.org/ticket/215">https://trac.xapian.org/ticket/215</a></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"> (i) Is there a
predefined function to sort the posting lists in order of term frequency? If
yes then where can I find it?</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"> (ii) What does the following paragraph means as given in the above link:</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"> “</span><span style="font-family:Verdana,sans-serif;background:rgb(255,255,221)">We'd need to keep track of which
sub-postlists have been moved up to the current
position, and which haven't. When next() is called, we'd call next() on any
sub-postlists which are up-to-date, but we would need to call skip_to() on any
other sub-postlists which are further behind.</span><span style="font-family:Arial,sans-serif">”</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">(iii) And
can you please tell me what is the difference between next() and skip_to()?</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">2)
is there any explanation for ticket #394 (</span><span style="font-size:12.5pt;line-height:115%;font-family:Arial,sans-serif;color:black;letter-spacing:-0.2pt">Speed up phrase queries with a "settling pond"</span><span style="font-family:Arial,sans-serif;letter-spacing:-0.2pt">)</span><span style="font-family:Arial,sans-serif"></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">3) Also can you please tell me where can I find some explanation
of<span class=""> </span></span><span style="font-family:Verdana,sans-serif;background:rgb(255,255,221)">OP_SYNONYM</span><span class=""><span style="font-family:Arial,sans-serif"> </span></span><span style="font-family:Arial,sans-serif">as required in</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Ticket
#400 (<span style="letter-spacing:-0.2pt">Optimise AND_MAYBE when the RHS has a
maxweight of 0</span>)</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"> <span class=""> </span><a href="https://trac.xapian.org/ticket/400">https://trac.xapian.org/ticket/400</a> </span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">4)
I am new to GSOC so can you please guide me, where should I submit my first
draft proposal to you for your feedback, should it be this email or should I
submit it on GSOC main website and then edit it later?</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"> 5) i am planning to take ticket #215 before mid term evaluation and ticket #400 or # 394 after it, please guide me if this is acceptable approach or suggest any changes.</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Thank you so much for your kind help.</span><span style="font-family:Arial,sans-serif"><br></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"><br></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Regards,</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Sanat
Kumar Jain</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">B.E.
Computer Engineering</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Thapar
University, Patiala</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">India(GMT
+5hr 30min)</span></p></div>