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| <div class="title">sorted-run-merger.h</div> </div> |
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| <div class="contents"> |
| <a href="sorted-run-merger_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef IMPALA_RUNTIME_SORTED_RUN_MERGER_H_</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#define IMPALA_RUNTIME_SORTED_RUN_MERGER_H_</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/scoped_ptr.hpp></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <boost/thread/mutex.hpp></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="object-pool_8h.html">common/object-pool.h</a>"</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="tuple-row-compare_8h.html">util/tuple-row-compare.h</a>"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">class </span>RowBatch;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">class </span>RowDescriptor;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">class </span>RuntimeProfile;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html"> 42</a></span> <span class="comment"></span><span class="keyword">class </span><a class="code" href="classimpala_1_1SortedRunMerger.html">SortedRunMerger</a> {</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html#a5d029abd7e1b4325751c811333f08170"> 47</a></span>  <span class="keyword">typedef</span> boost::function<Status (RowBatch**)> <a class="code" href="classimpala_1_1SortedRunMerger.html#a5d029abd7e1b4325751c811333f08170">RunBatchSupplier</a>;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="classimpala_1_1SortedRunMerger.html#a070a9755826e719a294b4a43d8cdf395">SortedRunMerger</a>(<span class="keyword">const</span> <a class="code" href="classimpala_1_1TupleRowComparator.html">TupleRowComparator</a>& compare_less_than, <a class="code" href="classimpala_1_1RowDescriptor.html">RowDescriptor</a>* <a class="code" href="namespaceimpala.html#aa98447566dd6700a2faaaaf3059f4d95">row_desc</a>,</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classimpala_1_1RuntimeProfile.html">RuntimeProfile</a>* profile, <span class="keywordtype">bool</span> deep_copy_input);</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1SortedRunMerger.html#ad60b0472f24ecf8c73b549349b838a53">Prepare</a>(<span class="keyword">const</span> std::vector<RunBatchSupplier>& input_runs);</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1SortedRunMerger.html#a119903fc546bb05509df0cac927fd7b6">GetNext</a>(<a class="code" href="classimpala_1_1RowBatch.html">RowBatch</a>* output_batch, <span class="keywordtype">bool</span>* eos);</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1SortedRunMerger.html#a2f46ed041cc28c741bd28236d1ea86ad">TransferAllResources</a>(<a class="code" href="classimpala_1_1RowBatch.html">RowBatch</a>* transfer_resource_batch);</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">class </span><a class="code" href="classimpala_1_1SortedRunMerger_1_1BatchedRowSupplier.html">BatchedRowSupplier</a>;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1SortedRunMerger.html#a02d789cd36505a1bacfc863154e6a21d">Heapify</a>(<span class="keywordtype">int</span> parent_index);</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html#a21e3cf66fd0af74ee8ba01e235ddc96d"> 78</a></span>  std::vector<BatchedRowSupplier*> <a class="code" href="classimpala_1_1SortedRunMerger.html#a21e3cf66fd0af74ee8ba01e235ddc96d">min_heap_</a>;</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div> |
| <div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html#a3eaee1f67ffa1190ddfeb9bd81260a7c"> 81</a></span>  <a class="code" href="classimpala_1_1TupleRowComparator.html">TupleRowComparator</a> <a class="code" href="classimpala_1_1SortedRunMerger.html#a3eaee1f67ffa1190ddfeb9bd81260a7c">compare_less_than_</a>;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html#a6788d2659dfa8fa6416cdc57bfcd0046"> 85</a></span>  <a class="code" href="classimpala_1_1RowDescriptor.html">RowDescriptor</a>* <a class="code" href="classimpala_1_1SortedRunMerger.html#a6788d2659dfa8fa6416cdc57bfcd0046">input_row_desc_</a>;</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> |
| <div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html#a28abc61b75e3f88462caddc955019d59"> 88</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1SortedRunMerger.html#a28abc61b75e3f88462caddc955019d59">deep_copy_input_</a>;</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div> |
| <div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html#a2e8f8cbea9578d6abaf030fd8391b4aa"> 91</a></span>  <a class="code" href="classimpala_1_1ObjectPool.html">ObjectPool</a> <a class="code" href="classimpala_1_1SortedRunMerger.html#a2e8f8cbea9578d6abaf030fd8391b4aa">pool_</a>;</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> |
| <div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html#ab4ebfa847354b15d38682f951797c8fb"> 94</a></span>  <a class="code" href="classimpala_1_1RuntimeProfile_1_1Counter.html">RuntimeProfile::Counter</a>* <a class="code" href="classimpala_1_1SortedRunMerger.html#ab4ebfa847354b15d38682f951797c8fb">get_next_timer_</a>;</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> |
| <div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classimpala_1_1SortedRunMerger.html#a6012554dd3098c63bfd03ae1e8079871"> 97</a></span>  <a class="code" href="classimpala_1_1RuntimeProfile_1_1Counter.html">RuntimeProfile::Counter</a>* <a class="code" href="classimpala_1_1SortedRunMerger.html#a6012554dd3098c63bfd03ae1e8079871">get_next_batch_timer_</a>;</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> };</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#endif</span></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_ab4ebfa847354b15d38682f951797c8fb"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#ab4ebfa847354b15d38682f951797c8fb">impala::SortedRunMerger::get_next_timer_</a></div><div class="ttdeci">RuntimeProfile::Counter * get_next_timer_</div><div class="ttdoc">Times calls to GetNext(). </div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00094">sorted-run-merger.h:94</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a02d789cd36505a1bacfc863154e6a21d"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a02d789cd36505a1bacfc863154e6a21d">impala::SortedRunMerger::Heapify</a></div><div class="ttdeci">void Heapify(int parent_index)</div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8cc_source.html#l00095">sorted-run-merger.cc:95</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a21e3cf66fd0af74ee8ba01e235ddc96d"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a21e3cf66fd0af74ee8ba01e235ddc96d">impala::SortedRunMerger::min_heap_</a></div><div class="ttdeci">std::vector< BatchedRowSupplier * > min_heap_</div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00078">sorted-run-merger.h:78</a></div></div> |
| <div class="ttc" id="classimpala_1_1TupleRowComparator_html"><div class="ttname"><a href="classimpala_1_1TupleRowComparator.html">impala::TupleRowComparator</a></div><div class="ttdef"><b>Definition:</b> <a href="tuple-row-compare_8h_source.html#l00027">tuple-row-compare.h:27</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_1_1BatchedRowSupplier_html"><div class="ttname"><a href="classimpala_1_1SortedRunMerger_1_1BatchedRowSupplier.html">impala::SortedRunMerger::BatchedRowSupplier</a></div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8cc_source.html#l00033">sorted-run-merger.cc:33</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a119903fc546bb05509df0cac927fd7b6"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a119903fc546bb05509df0cac927fd7b6">impala::SortedRunMerger::GetNext</a></div><div class="ttdeci">Status GetNext(RowBatch *output_batch, bool *eos)</div><div class="ttdoc">Return the next batch of sorted rows from this merger. </div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8cc_source.html#l00146">sorted-run-merger.cc:146</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a5d029abd7e1b4325751c811333f08170"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a5d029abd7e1b4325751c811333f08170">impala::SortedRunMerger::RunBatchSupplier</a></div><div class="ttdeci">boost::function< Status(RowBatch **)> RunBatchSupplier</div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00047">sorted-run-merger.h:47</a></div></div> |
| <div class="ttc" id="classimpala_1_1RowDescriptor_html"><div class="ttname"><a href="classimpala_1_1RowDescriptor.html">impala::RowDescriptor</a></div><div class="ttdef"><b>Definition:</b> <a href="descriptors_8h_source.html#l00373">descriptors.h:373</a></div></div> |
| <div class="ttc" id="classimpala_1_1ObjectPool_html"><div class="ttname"><a href="classimpala_1_1ObjectPool.html">impala::ObjectPool</a></div><div class="ttdef"><b>Definition:</b> <a href="object-pool_8h_source.html#l00030">object-pool.h:30</a></div></div> |
| <div class="ttc" id="classimpala_1_1RuntimeProfile_1_1Counter_html"><div class="ttname"><a href="classimpala_1_1RuntimeProfile_1_1Counter.html">impala::RuntimeProfile::Counter</a></div><div class="ttdef"><b>Definition:</b> <a href="runtime-profile_8h_source.html#l00085">runtime-profile.h:85</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a2e8f8cbea9578d6abaf030fd8391b4aa"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a2e8f8cbea9578d6abaf030fd8391b4aa">impala::SortedRunMerger::pool_</a></div><div class="ttdeci">ObjectPool pool_</div><div class="ttdoc">Pool of BatchedRowSupplier instances. </div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00091">sorted-run-merger.h:91</a></div></div> |
| <div class="ttc" id="object-pool_8h_html"><div class="ttname"><a href="object-pool_8h.html">object-pool.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html"><div class="ttname"><a href="classimpala_1_1Status.html">impala::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00081">status.h:81</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_ad60b0472f24ecf8c73b549349b838a53"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#ad60b0472f24ecf8c73b549349b838a53">impala::SortedRunMerger::Prepare</a></div><div class="ttdeci">Status Prepare(const std::vector< RunBatchSupplier > &input_runs)</div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8cc_source.html#l00127">sorted-run-merger.cc:127</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html">impala::SortedRunMerger</a></div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00042">sorted-run-merger.h:42</a></div></div> |
| <div class="ttc" id="classimpala_1_1RowBatch_html"><div class="ttname"><a href="classimpala_1_1RowBatch.html">impala::RowBatch</a></div><div class="ttdef"><b>Definition:</b> <a href="row-batch_8h_source.html#l00066">row-batch.h:66</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_aa98447566dd6700a2faaaaf3059f4d95"><div class="ttname"><a href="namespaceimpala.html#aa98447566dd6700a2faaaaf3059f4d95">impala::row_desc</a></div><div class="ttdeci">const RowDescriptor & row_desc() const </div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a6012554dd3098c63bfd03ae1e8079871"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a6012554dd3098c63bfd03ae1e8079871">impala::SortedRunMerger::get_next_batch_timer_</a></div><div class="ttdeci">RuntimeProfile::Counter * get_next_batch_timer_</div><div class="ttdoc">Times calls to get the next batch of rows from the input run. </div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00097">sorted-run-merger.h:97</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a070a9755826e719a294b4a43d8cdf395"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a070a9755826e719a294b4a43d8cdf395">impala::SortedRunMerger::SortedRunMerger</a></div><div class="ttdeci">SortedRunMerger(const TupleRowComparator &compare_less_than, RowDescriptor *row_desc, RuntimeProfile *profile, bool deep_copy_input)</div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8cc_source.html#l00118">sorted-run-merger.cc:118</a></div></div> |
| <div class="ttc" id="classimpala_1_1RuntimeProfile_html"><div class="ttname"><a href="classimpala_1_1RuntimeProfile.html">impala::RuntimeProfile</a></div><div class="ttdef"><b>Definition:</b> <a href="runtime-profile_8h_source.html#l00083">runtime-profile.h:83</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a28abc61b75e3f88462caddc955019d59"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a28abc61b75e3f88462caddc955019d59">impala::SortedRunMerger::deep_copy_input_</a></div><div class="ttdeci">bool deep_copy_input_</div><div class="ttdoc">True if rows must be deep copied into the output batch. </div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00088">sorted-run-merger.h:88</a></div></div> |
| <div class="ttc" id="tuple-row-compare_8h_html"><div class="ttname"><a href="tuple-row-compare_8h.html">tuple-row-compare.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a3eaee1f67ffa1190ddfeb9bd81260a7c"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a3eaee1f67ffa1190ddfeb9bd81260a7c">impala::SortedRunMerger::compare_less_than_</a></div><div class="ttdeci">TupleRowComparator compare_less_than_</div><div class="ttdoc">Row comparator. Returns true if lhs < rhs. </div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00081">sorted-run-merger.h:81</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a6788d2659dfa8fa6416cdc57bfcd0046"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a6788d2659dfa8fa6416cdc57bfcd0046">impala::SortedRunMerger::input_row_desc_</a></div><div class="ttdeci">RowDescriptor * input_row_desc_</div><div class="ttdef"><b>Definition:</b> <a href="sorted-run-merger_8h_source.html#l00085">sorted-run-merger.h:85</a></div></div> |
| <div class="ttc" id="classimpala_1_1SortedRunMerger_html_a2f46ed041cc28c741bd28236d1ea86ad"><div class="ttname"><a href="classimpala_1_1SortedRunMerger.html#a2f46ed041cc28c741bd28236d1ea86ad">impala::SortedRunMerger::TransferAllResources</a></div><div class="ttdeci">void TransferAllResources(RowBatch *transfer_resource_batch)</div></div> |
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