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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/125544/">https://git.reviewboard.kde.org/r/125544/</a>
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<p style="margin-top: 0;">On October 9th, 2015, 11:21 a.m. UTC, <b>Vishesh Handa</b> wrote:</p>
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<a href="https://git.reviewboard.kde.org/r/125544/diff/1/?file=410212#file410212line103" style="color: black; font-weight: bold; text-decoration: underline;">src/lib/searchstore.cpp</a>
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(Diff revision 1)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">QStringList SearchStore::exec(const Term& term, int offset, int limit, bool sortResults)</pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">QStringList SearchStore::exec(const Term& term, uint offset, int limit, bool sortResults)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">for</span> <span class="p">(</span><span class="n">uint</span> <span class="n">i</span> <span class="o">=</span> <span class="n">offset</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="k">static_cast</span><span class="o"><</span><span class="n">uint</span><span class="o">></span><span class="p">(</span><span class="n">limit</span><span class="p">);</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Say we have 50 results</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">limit = 10
offset = 5</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">So we want results from [5, 14]</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">With this code -
for (i = 5; i < 10; i++)</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">We we would get [5, 10). Could you please fix this? I think a simple <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">i < limit + offset</code> would do.</p></pre>
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<p>On October 9th, 2015, 5:37 p.m. UTC, <b>Xuetian Weng</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I just want to confirm, do we want [offset, offset + limit), or [offset, limit), otherwise the semantics of sort looks problematic.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Currently the sort is always applied to [0, limit), if we want [offset, offset + limit), shouldn't we always sort the whole set, and then slice [offset, offset + limit)?</p></pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">For SQL, the query with ORDER BY will sort first, then slice the needed part of data.</p></pre>
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<p>- Xuetian</p>
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<p>On October 9th, 2015, 11:21 a.m. UTC, Xuetian Weng wrote:</p>
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<div>Review request for Baloo, Release Team and Vishesh Handa.</div>
<div>By Xuetian Weng.</div>
<p style="color: grey;"><i>Updated Oct. 9, 2015, 11:21 a.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
baloo
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">The bug is obvious, old code uses limit instead of (limit > 0), which gracefully handles limit < 0 case (means everything).</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">After offset is introduced, limit < 0 case is not handled properly.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">This patch contains following changes:
1. make offset uint, m_offset is uint in Query already.
2. handle limit < 0 case properly.</p></pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">baloosearch:/ doesn't return anything because of this, now it properly returns result.</p></pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>src/lib/searchstore.h <span style="color: grey">(17b4263)</span></li>
<li>src/lib/searchstore.cpp <span style="color: grey">(a2e7749)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/125544/diff/" style="margin-left: 3em;">View Diff</a></p>
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