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<dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
<dd style="margin-left: 8.5em">Kouhei Sutou <kou****@clear*****></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
<dd style="margin-left: 8.5em">2015-10-08 22:17:36 +0900 (Thu, 08 Oct 2015)</dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">New Revision</dt>
<dd style="margin-left: 8.5em"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9">1a299edf58a5e4786ed07fde226aa631c566b3b9</a></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Message</dt>
<dd style="margin-left: 8.5em"><pre style="border: 1px solid #aaa; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; padding: 0.5em; width: auto">Translate pgroonga.score</pre></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
<dd style="margin-left: 8.5em">
<ul>
<li><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648">reference/functions/pgroonga-score.md</a></li>
<li><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1d">tutorial/index.md</a></li>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre"> Modified: reference/functions/pgroonga-score.md (+9 -9)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</span>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L4">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L5">5</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L6">6</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L7">7</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L8">8</a></span>
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<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L10">10</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L11">11</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L12">12</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L13">13</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L14">14</a></span>
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<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L18">18</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L19">19</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L20">20</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648L21">21</a></span>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648R4">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648R5">5</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648R6">6</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648R7">7</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648R9">9</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648R11">11</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-f944870684f320ab2c18c786c615b648R13">13</a></span>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -5,17 +5,17 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">layout: en</span></span>
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<span class="diff-not-changed" style="display: block; white-space: pre"> # `pgroonga.score` function</span>
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<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-TODO</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+You can use `pgroonga.score` function to retrieve score as number. Score is how the record is precise.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-`pgroonga.score` function always returns `0` when full text search is performed by sequential scan not index scan.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+You need to add the column that is specified as primary key to index targets to use `pgroonga.score` function. If your PGroonga index doesn't have the column that is specified as primary key, `pgroonga.score` function always returns `0`.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-スコアーが返るはずなのに`0`が返るときは次の2点を確認してください。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+`pgroonga.score` function always returns `0` when full text search isn't performed by index. In other words, `pgroonga.score` function always returns `0` when full text search is performed by sequential scan.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- * プライマリーキーのカラムがインデックス対象に含まれているか</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- * インデックスを使って全文検索を実行しているか</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+If `pgroonga.score` function returns `0` unexpectedly, confirm the followings:</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ * Whether the column that is specified as primary key is included in index targets of the PGroonga index or not</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ * Whether the full text search is performed by index or not</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-現時点では適合度は「キーワードを含んでいる数」になります。Groongaには</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-キーワードや検索対象カラム毎に重みをつける機能や適合度の計算方法をカス</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-タマイズする機能があります。しかし、PostgreSQLらしく指定するAPIを思い</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-ついていないためPGroongaから使うことはできません。</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+Score is "how many keywords are included" (TF, Term Frequency) for now. Groonga supports customizing how to score. But PGroonga doesn't support yet it for now.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+See also [examples in tutorial](../../tutorial/#score).</span>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre"> Modified: tutorial/index.md (+2 -0)</span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dL127">127</a></span>
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<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dL128">128</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dL129">129</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dL130">130</a></span>
</pre>
</th>
<th class="diff-line-number" style="border: 1px solid #aaa">
<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR124">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR125">125</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR126">126</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR127">127</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR128">128</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR129">129</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR130">130</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR131">131</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga.github.io/commit/1a299edf58a5e4786ed07fde226aa631c566b3b9#diff-9962a6ea2afe8b6ff739a66ee41a6d1dR132">132</a></span>
</pre>
</th>
<td class="diff-content" style="border: 1px solid #aaa">
<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -125,6 +125,8 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">SELECT * FROM memos WHERE content %% '全文検索';</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> See [LIKE operator](../reference/operators/like.html) for more details.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+{: #score}</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ### Score</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> You can use `pgroonga.score` function to get precision as a number. If a record is more precision against searched query, the record has more higher number.</span>
</pre>
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