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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">YUKI Hiroshi &lt;shimo****@clear*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2015-04-21 21:54:22 +0900 (Tue, 21 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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176">e897a71069248b4a35b47f0acac5ad89aaac9176</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">Separate &quot;recursive-sum&quot; collector from &quot;sum&quot;.

Because recursive sum can be slow.</pre></dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Copied files</dt>
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        <ul>
          <li>
            <a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#diff-1">lib/droonga/collectors/recursive_sum.rb</a><br>
            (from lib/droonga/collectors.rb)
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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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#diff-0">lib/droonga/collectors.rb</a></li>
          <li><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#diff-2">lib/droonga/plugins/system/object_count.rb</a></li>
          <li><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#diff-3">lib/droonga/reducer.rb</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">  Modified: lib/droonga/collectors.rb (+2 -1)</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L0">...</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L1">1</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L2">2</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L3">3</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L4">4</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L15">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L16">16</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L17">17</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0L18">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-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R0">...</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R1">1</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R2">2</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R3">3</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R4">4</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R15">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R16">16</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R17">17</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R18">18</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L0R19">19</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">@@ -1,4 +1,4 @@</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-# Copyright (C) 2014 Droonga Project</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+# Copyright (C) 2014-2015 Droonga Project</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> #</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> # This library is free software; you can redistribute it and/or</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> # modify it under the terms of the GNU Lesser General Public</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -16,3 +16,4 @@</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> require &quot;droonga/collectors/and&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> require &quot;droonga/collectors/or&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> require &quot;droonga/collectors/sum&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+require &quot;droonga/collectors/recursive_sum&quot;</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-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">  Copied: lib/droonga/collectors/recursive_sum.rb (+12 -4) 76%</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L0">...</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L1">1</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L2">2</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L3">3</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L4">4</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L12">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L13">13</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L14">14</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L15">15</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L16">16</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L17">17</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1L18">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-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R0">...</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R1">1</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R2">2</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R3">3</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R4">4</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R12">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R13">13</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R14">14</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R15">15</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R16">16</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R18">18</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R19">19</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R20">20</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R21">21</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R22">22</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R23">23</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R24">24</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R25">25</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L1R26">26</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-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -1,4 +1,4 @@</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-# Copyright (C) 2014 Droonga Project</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+# Copyright (C) 2015 Droonga Project</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> #</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> # This library is free software; you can redistribute it and/or</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> # modify it under the terms of the GNU Lesser General Public</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -13,6 +13,14 @@</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> # License along with this library; if not, write to the Free Software</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA</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">-require &quot;droonga/collectors/and&quot;</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-require &quot;droonga/collectors/or&quot;</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-require &quot;droonga/collectors/sum&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+module Droonga</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  module Collectors</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    class RecursiveSum</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      class &lt;&lt; self</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        def operator</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+          &quot;recursive-sum&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        end</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      end</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    end</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  end</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+end</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: lib/droonga/plugins/system/object_count.rb (+1 -1)</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2L45">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2L46">46</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2L47">47</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2L48">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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2L49">49</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2L50">50</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2L51">51</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2L52">52</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2R45">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2R46">46</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2R47">47</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2R48">48</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2R49">49</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2R50">50</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2R51">51</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L2R52">52</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-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -46,7 +46,7 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">module Droonga</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">       define_single_step do |step|</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         step.name = &quot;system.object-count&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         step.handler = ObjectCountHandler</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-        step.collector = Collectors::Sum</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        step.collector = Collectors::RecursiveSum</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       end</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     end</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   end</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: lib/droonga/reducer.rb (+14 -0)</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L57">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L58">58</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L59">59</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L60">60</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L61">61</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L62">62</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L63">63</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L76">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L77">77</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L78">78</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L79">79</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L80">80</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L81">81</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3L82">82</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/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R57">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R58">58</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R59">59</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R60">60</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R61">61</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R62">62</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R63">63</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R64">64</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R65">65</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R66">66</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R67">67</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R80">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R81">81</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R82">82</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R83">83</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R84">84</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R85">85</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R86">86</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R87">87</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R88">88</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R89">89</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R90">90</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R91">91</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R92">92</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R93">93</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R94">94</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R95">95</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/droonga/droonga-engine/commit/e897a71069248b4a35b47f0acac5ad89aaac9176#L3R96">96</a></span>
</pre>
            </th>
            <td class="diff-content" style="border: 1px solid #aaa">
<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">@@ -58,6 +58,10 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">module Droonga</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">         reduced_value = sum(left_value, right_value)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         reduced_value = self.class.apply_range(reduced_value,</span>
<span class="diff-not-changed" style="display: block; white-space: pre">                                                &quot;limit&quot; =&gt; @deal[&quot;limit&quot;])</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      when &quot;recursive-sum&quot;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        reduced_value = recursive_sum(left_value, right_value)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        reduced_value = self.class.apply_range(reduced_value,</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+                                               &quot;limit&quot; =&gt; @deal[&quot;limit&quot;])</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       when &quot;average&quot;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         reduced_value = (left_value.to_f + right_value.to_f) / 2</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       when &quot;sort&quot;</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -77,6 +81,16 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">module Droonga</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">       return x || y if x.nil? or y.nil?</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre">       if x.is_a?(Hash) and y.is_a?(Hash)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        x.merge(y)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      else</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        x + y</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      end</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    end</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">+    def recursive_sum(x, y)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      return x || y if x.nil? or y.nil?</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">+      if x.is_a?(Hash) and y.is_a?(Hash)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         if number_hash?(x) and number_hash?(y)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">           sum_number_hashes(x, y)</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         else</span>
</pre>
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