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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">2015-04-06 00:06:30 +0900 (Mon, 06 Apr 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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78">81c1168034bd1bf60734d6c43ed5e7e06f6e4d78</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">Update document about pgroonga.score</pre></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
<dd style="margin-left: 8.5em">
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<li><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#diff-0">README.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: README.md (+48 -16)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0L380">380</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R378">378</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R379">379</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R380">380</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R381">381</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R382">382</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R383">383</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R384">384</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R385">385</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R386">386</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R387">387</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R388">388</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R389">389</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R390">390</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R391">391</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R392">392</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R393">393</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R394">394</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R395">395</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R396">396</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R397">397</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R398">398</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R399">399</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R400">400</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R401">401</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R402">402</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R405">405</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R406">406</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R407">407</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R408">408</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R414">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R415">415</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R416">416</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R417">417</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R418">418</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R419">419</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R420">420</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R421">421</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R422">422</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R423">423</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R424">424</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R958">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R959">959</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R960">960</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R961">961</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/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R962">962</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R963">963</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/pgroonga/pgroonga/commit/81c1168034bd1bf60734d6c43ed5e7e06f6e4d78#L0R964">964</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">@@ -357,9 +357,52 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">SELECT * FROM memos WHERE content LIKE '%groonga%';</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> `pgroonga.score`関数を使うと該当レコードがどの程度クエリーに適合してい</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> るかを数値で取得することができます。</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">+`pgroonga.score`関数を使うためにはインデックス対象にプライマリーキーの</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+カラムも含めなければいけません。プライマリーキーのカラムが含まれていな</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+い場合は常に`0`を返します。</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">+また、全文検索をシーケンシャルスキャンで実行しているときも`0`になりま</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+す。</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">+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">+</span>
<span class="diff-added" style="background-color: #aaffaa; 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-added" style="background-color: #aaffaa; 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">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+以下はインデックス対象にプライマリーキーを含めているスキーマの例です。</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">+```sql</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+CREATE TABLE score_memos (</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ id integer PRIMARY KEY,</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ content text</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">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+CREATE INDEX pgroonga_score_memos_content_index</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ ON score_memos</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ USING pgroonga (id, content);</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">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+データを投入します。</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">+```sql</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+INSERT INTO score_memos VALUES (1, 'PostgreSQLはリレーショナル・データベース管理システムです。');</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+INSERT INTO score_memos VALUES (2, 'Groongaは日本語対応の高速な全文検索エンジンです。');</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+INSERT INTO score_memos VALUES (3, 'PGroongaはインデックスとしてGroongaを使うためのPostgreSQLの拡張機能です。');</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+INSERT INTO score_memos VALUES (4, 'groongaコマンドがあります。');</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">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+必ずインデックスを使って全文検索をするためにシーケンシャルスキャン機能</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+を無効にします。(あるいはもっとたくさんのデータを投入します。)</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">+```sql</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+SET enable_seqscan = off;</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">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+全文検索し、スコアーも表示します。</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"> ```sql</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-SELECT *, pgroonga.score(memos)</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- FROM memos</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+SELECT *, pgroonga.score(score_memos)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ FROM score_memos</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> WHERE content %% 'PGroonga' OR content %% 'PostgreSQL';</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> -- id | content | score </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> -- ----+---------------------------------------------------------------------------+-------</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -372,10 +415,10 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">SELECT *, pgroonga.score(memos)</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> び替えることができます。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ```sql</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-SELECT *, pgroonga.score(memos)</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- FROM memos</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+SELECT *, pgroonga.score(score_memos)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ FROM score_memos</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> WHERE content %% 'PGroonga' OR content %% 'PostgreSQL'</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- ORDER BY pgroonga.score(memos) DESC;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ ORDER BY pgroonga.score(score_memos) DESC;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> -- id | content | 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"> -- 3 | PGroongaはインデックスとしてGroongaを使うためのPostgreSQLの拡張機能です。 | 2</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -916,17 +959,6 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">PGroongaが使える状態になっています。</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * 実装</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * WAL対応</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * COLLATE対応(今は必ずGroongaのNormalizerAutoを使っている)</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- * HOT更新のときでも`pgroonga.score`を動くようにする。</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- * HOT更新ではインデックス対象じゃないカラムを更新した時はインデッ</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- クスを更新しないがctidは変わる。古いctidでも新しいctidへ参照で</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- きるようになるが、新しいctidから古いctidを参照できない。</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- `pgroonga.score`は新しいctidから古いctidを参照しようとするので</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- 参照できずにスコアが0になってしまう。`idsTable`の`_key`をctid</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- にしないでプライマリーキーがあったらそれを`_key`にして、ctidは</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- なにかカラムに保存しておくようにすればいいんだけど、速度をでき</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- るだけ落とさずに実装するのが面倒。インデックス更新時に毎回を</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- `_key`をつくらないといけないので、`_key`にctidを使っているかプ</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- ライマリーキーを使っているかの判断を重くしたくない。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * ドキュメント</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * 英語で書く</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * サイトを用意する</span>
</pre>
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