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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">susumu.yata &lt;susum****@gmail*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2014-06-04 10:51:49 +0900 (Wed, 04 Jun 2014)</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/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12">0a932de76cb2e9e1a5d9094349d9e79f9763ae12</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, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; padding: 0.5em; width: auto">Add SorterBuilder.</pre></dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Copied files</dt>
      <dd style="margin-left: 8.5em">
        <ul>
          <li>
            <a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#diff-0">new-interface/sorter-builder.hpp</a><br>
            (from new-interface/sorter.hpp)
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      </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/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#diff-1">new-interface/sorter.hpp</a></li>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, 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">  Copied: new-interface/sorter-builder.hpp (+7 -13) 74%</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, &quot;Liberation Mono&quot;, 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/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L17">...</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L20">20</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/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L22">22</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L23">23</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L24">24</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L25">25</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L26">26</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L48">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0L49">49</a></span>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, 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/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0R17">...</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0R46">46</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L0R47">47</a></span>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, 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">@@ -18,9 +18,6 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">class Sorter {</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 所属するテーブルを取得する.</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   virtual Table *table() const = 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">-  // TODO: 条件を一気に設定するようにした方が使いやすい可能性がある.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  //       その場合, Table::create_sorter() で指定することも考慮すべきである.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 前提条件を追加する.</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 成功すれば true を返す.</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 失敗したときは *error にその内容を格納し, false を返す.</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -49,19 +46,16 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">class Sorter {</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">                              SortOrder order,</span>
<span class="diff-not-changed" style="display: block; white-space: pre">                              Error *error) const = 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">-  // 行の一覧を整列する.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 成功すれば true を返す.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 失敗したときは *error にその内容を格納し, false を返す.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  //</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 整列の結果が保証されるのは [offset, offset + limit) の範囲である.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // なお,行 ID を整列条件に加えれば安定な整列になる.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  // すべての条件を破棄する.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  virtual void clear();</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">+  // 指定された条件に対応する整列器を作成する.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  // 成功すれば有効なオブジェクトへのポインタを返す.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  // 失敗したときは *error にその内容を格納し, nullptr を返す.</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   //</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 失敗する状況としては,以下のようなものが挙げられる.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // - 演算において例外が発生する.</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // - リソースを確保できない.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  virtual bool sort(int64_t num_row_ids, RowID *row_ids,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-                    int64_t offset, int64_t limit,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-                    Error *error);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  virtual std::unique_ptr&lt;Sorter&gt; create_sorter(Error *error) const;</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"> }  // namespace grnxx</span>
</pre>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, 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: new-interface/sorter.hpp (+0 -36)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</span>
</pre>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, 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/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L4">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L5">5</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L6">6</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L7">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/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L8">8</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L9">9</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L10">10</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L11">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/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L12">12</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L13">13</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L14">14</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L15">15</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L17">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L18">18</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L19">19</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L20">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/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L21">21</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L22">22</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L23">23</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L24">24</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L25">25</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L26">26</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L27">27</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L28">28</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L29">29</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L30">30</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L31">31</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L32">32</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L33">33</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L34">34</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L35">35</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L36">36</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L37">37</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L38">38</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L39">39</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L40">40</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L41">41</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L42">42</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L43">43</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L44">44</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L45">45</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L46">46</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L47">47</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L48">48</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L49">49</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L50">50</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L51">51</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L52">52</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L53">53</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1L54">54</a></span>
</pre>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, 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/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R4">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R5">5</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R6">6</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R7">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/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R8">8</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R14">14</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R15">15</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R16">16</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R17">17</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/0a932de76cb2e9e1a5d9094349d9e79f9763ae12#L1R18">18</a></span>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, 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">@@ -5,11 +5,6 @@</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> namespace grnxx {</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">-enum SortOrder {</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  ASCENDING_ORDER,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  DESCENDING_ORDER</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-};</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> class Sorter {</span>
<span class="diff-not-changed" style="display: block; white-space: pre">  public:</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   Sorter();</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -18,37 +13,6 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">class Sorter {</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 所属するテーブルを取得する.</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   virtual Table *table() const = 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">-  // TODO: 条件を一気に設定するようにした方が使いやすい可能性がある.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  //       その場合, Table::create_sorter() で指定することも考慮すべきである.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 前提条件を追加する.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 成功すれば true を返す.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 失敗したときは *error にその内容を格納し, false を返す.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  //</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 何らかの条件にしたがって整列済みのときに指定する.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 新しい条件は末尾に追加される.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  //</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 失敗する状況としては,以下のようなものが挙げられる.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // - 式の評価結果が大小関係を持たない型になる.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // - リソースを確保できない.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  virtual bool add_precondition(const Expression *expression,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-                                SortOrder order,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-                                Error *error) const = 0;</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 整列条件を追加する.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 成功すれば true を返す.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 失敗したときは *error にその内容を格納し, false を返す.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  //</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 新しい条件は末尾に追加されるため,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 優先順位の高い整列条件から順に追加しなければならない.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  //</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // 失敗する状況としては,以下のようなものが挙げられる.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // - 式の評価結果が大小関係を持たない型になる.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  // - リソースを確保できない.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  virtual bool add_condition(const Expression *expression,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-                             SortOrder order,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-                             Error *error) const = 0;</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 行の一覧を整列する.</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 成功すれば true を返す.</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   // 失敗したときは *error にその内容を格納し, false を返す.</span>
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