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<dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
<dd style="margin-left: 8.5em">Kentaro Hayashi <hayas****@clear*****></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
<dd style="margin-left: 8.5em">2017-10-13 09:04:50 +0900 (Fri, 13 Oct 2017)</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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01">48a90045bef0a4d1f838f66988a90f5f85807d01</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">blog ja: add more description</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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3e">ja/_posts/2017-09-29-groonga-7.0.7.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: ja/_posts/2017-09-29-groonga-7.0.7.md (+7 -2)</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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL1">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL2">2</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL3">3</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL4">4</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffecec; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL5">5</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL6">6</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL7">7</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL8">8</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL29">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL30">30</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL31">31</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL32">32</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL33">33</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL34">34</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL35">35</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL36">36</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL37">37</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL38">38</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL39">39</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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL40">40</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffecec; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL41">41</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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL42">42</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL43">43</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eL44">44</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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR1">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR2">2</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR3">3</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR4">4</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/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR5">5</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR6">6</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR7">7</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR28">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR29">29</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR30">30</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR31">31</a></span>
<span class="diff-line-number-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR32">32</a></span>
<span class="diff-line-number-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR33">33</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR34">34</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR35">35</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR36">36</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR37">37</a></span>
<span class="diff-line-number-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR38">38</a></span>
<span class="diff-line-number-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR39">39</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR40">40</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR41">41</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR42">42</a></span>
<span class="diff-line-number-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR43">43</a></span>
<span class="diff-line-number-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR44">44</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR45">45</a></span>
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<span class="diff-line-number-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR46">46</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR47">47</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR48">48</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga.org/commit/48a90045bef0a4d1f838f66988a90f5f85807d01#diff-6105c99ac181cc5d232f0f1a86d73d3eR49">49</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">@@ -2,7 +2,6 @@</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> layout: post.ja</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> title: Groonga 7.0.7リリース</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> description: Groonga 7.0.7をリリースしました！</span>
<span class="diff-deleted" style="background-color: #ffecec; color: #000000; display: block; white-space: pre">-published: false</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ---</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ## Groonga 7.0.7リリース</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -30,15 +29,21 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">published: false</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> --query "+" \</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> --query_flags ALLOW_PRAGMA|ALLOW_COLUMN|QUERY_NO_SYNTAX_ERROR</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre">+今回のリリースでは、上記のクエリーもエラーにならずに実行できるようになりました。</span>
<span class="diff-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre">+</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ### command-version 3をデフォルトに設定できるようになりました</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> groongaコマンドの[--default-command-version](https://groonga.org/docs/reference/command/command_version.html#default-command-version)に `3` を指定できるようになりました。以前のバージョンでも `--command_version 3` は成功していましたが、 `--default-command-version 3` はエラーになっていました。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre">+今回のリリースでは、`--default-command-version 3`を指定して起動できるようになっています。</span>
<span class="diff-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre">+</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ### 関数を使っていてもselect結果をキャッシュするようになりました</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> selectコマンドで関数を使っていた場合、以前のバージョンではselect結果をキャッシュしていませんでしたが、今回のバージョンから条件付きでキャッシュするようになりました。</span>
<span class="diff-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre">+条件は、実行ごとに毎回結果が変わらないことです。変わってしまうのであればキャッシュしません。</span>
<span class="diff-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre">+したがって、 `now()` や `rand()` は結果が変わるので従来どおり、キャッシュしません。そのほかの関数は同じクエリであれば結果が変わらないのでキャッシュされるようになりました。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffecec; color: #000000; display: block; white-space: pre">-<span class="diff-deleted-word" style="background-color: #f8cbcb; color: #000000">その条件で</span>す<span class="diff-deleted-word" style="background-color: #f8cbcb; color: #000000">が</span>、selectコマンドで使われているすべての関数の `is_stable` の値がtrue（ `GRN_TRUE` ）だった場合、select結果をキャッシュします。 `is_stable` の値はデフォルトでtrueになっています。引数が同じでも異なる結果を返す可能性のある関数を実装する場合、 `is_stable` にfalse（ `GRN_FALSE` ）を設定するようにしてください。なお、 `now()` と `rand()` の `is_stable` にはデフォルトでfalseが設定されているため、これらの関数が使われている場合はキャッシュしません。</span>
<span class="diff-added" style="background-color: #eaffea; color: #000000; display: block; white-space: pre">+<span class="diff-added-word" style="background-color: #a6f3a6; color: #000000">Groongaをライブラリーとして使う人に向けに内部的な説明を</span>す<span class="diff-added-word" style="background-color: #a6f3a6; color: #000000">ると</span>、selectコマンドで使われているすべての関数の `is_stable` の値がtrue（ `GRN_TRUE` ）だった場合、select結果をキャッシュします。 `is_stable` の値はデフォルトでtrueになっています。引数が同じでも異なる結果を返す可能性のある関数を実装する場合、 `is_stable` にfalse（ `GRN_FALSE` ）を設定するようにしてください。なお、 `now()` と `rand()` の `is_stable` にはデフォルトでfalseが設定されているため、これらの関数が使われている場合はキャッシュしません。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> `is_stable` を設定・参照するAPIとして、以下の2つを追加しました。</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
</pre>
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