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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">Daijiro MORI &lt;daiji****@gmail*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2013-06-21 17:57:11 +0900 (Fri, 21 Jun 2013)</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/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818">055c256be917814f5103924af93bd004ebf56818</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">Support :max_n_sub_records option.</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/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#diff-0">lib/droonga/plugin/handler_search.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/plugin/handler_search.rb (+9 -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/groonga/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0L202">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0L203">203</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/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0L207">207</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0L208">208</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0L209">209</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/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0R202">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0R203">203</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0R204">204</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/groonga/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0R213">213</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/fluent-plugin-droonga/commit/055c256be917814f5103924af93bd004ebf56818#L0R214">214</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">@@ -203,7 +203,15 @@ <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">           @result = source.select(expression)</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">         if @query[&quot;groupBy&quot;]</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-          @result = @result.group(@query[&quot;groupBy&quot;])</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+          if @query[&quot;groupBy&quot;].is_a? String</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+            @result = @result.group(@query[&quot;groupBy&quot;])</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+          elseif @query[&quot;groupBy&quot;].is_a? Hash</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+            key = @query[&quot;groupBy&quot;][&quot;key&quot;]</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+            max_n_sub_records = @query[&quot;groupBy&quot;][&quot;maxNumSubRecords&quot;]</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+            @result = @result.group(key, :max_n_sub_records =&gt; max_n_sub_records)</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">+            raise '&quot;groupBy&quot; parameter must be a Hash or a String'</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; 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">         @count = @result.size</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         if @query[&quot;sortBy&quot;]</span>
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