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| <div class="title">aggregation-node-ir.cc</div> </div> |
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| <a href="aggregation-node-ir_8cc.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> <span class="preprocessor">#include "<a class="code" href="aggregation-node_8h.html">exec/aggregation-node.h</a>"</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="old-hash-table_8inline_8h.html">exec/old-hash-table.inline.h</a>"</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="row-batch_8h.html">runtime/row-batch.h</a>"</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="runtime-state_8h.html">runtime/runtime-state.h</a>"</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="tuple_8h.html">runtime/tuple.h</a>"</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="tuple-row_8h.html">runtime/tuple-row.h</a>"</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using namespace </span>impala;</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="comment">// Functions in this file are cross compiled to IR with clang. These functions</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// are modified at runtime with a query specific codegen'd UpdateAggTuple</span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div> |
| <div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classimpala_1_1AggregationNode.html#afb6699996cda4b0190e389ce7a9b44fe"> 28</a></span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1AggregationNode.html#afb6699996cda4b0190e389ce7a9b44fe">AggregationNode::ProcessRowBatchNoGrouping</a>(<a class="code" href="classimpala_1_1RowBatch.html">RowBatch</a>* batch) {</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < batch-><a class="code" href="classimpala_1_1RowBatch.html#ac695df3b85ee416b3d99844813ae813d">num_rows</a>(); ++i) {</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="classimpala_1_1AggregationNode.html#a05ba73031eaa07f791836a7f1c8f8cba">UpdateTuple</a>(<a class="code" href="classimpala_1_1AggregationNode.html#ac12936f77511f1975b6766d17b7540ad">singleton_intermediate_tuple_</a>, batch-><a class="code" href="classimpala_1_1RowBatch.html#a9320ed986b0717ef26d73d871f3b3a42">GetRow</a>(i));</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  }</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> }</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classimpala_1_1AggregationNode.html#ae8c7580abfdb90e76f473923a185130b"> 34</a></span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1AggregationNode.html#ae8c7580abfdb90e76f473923a185130b">AggregationNode::ProcessRowBatchWithGrouping</a>(<a class="code" href="classimpala_1_1RowBatch.html">RowBatch</a>* batch) {</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < batch-><a class="code" href="classimpala_1_1RowBatch.html#ac695df3b85ee416b3d99844813ae813d">num_rows</a>(); ++i) {</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="classimpala_1_1TupleRow.html">TupleRow</a>* row = batch-><a class="code" href="classimpala_1_1RowBatch.html#a9320ed986b0717ef26d73d871f3b3a42">GetRow</a>(i);</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="classimpala_1_1Tuple.html">Tuple</a>* agg_tuple = NULL;</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="classimpala_1_1OldHashTable_1_1Iterator.html">OldHashTable::Iterator</a> it = <a class="code" href="classimpala_1_1AggregationNode.html#a54acbefca4e3a58771dad6581dc2f9c9">hash_tbl_</a>->Find(row);</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (it.<a class="code" href="classimpala_1_1OldHashTable_1_1Iterator.html#a0576f42d01da5122dafbb1ffdb435e03">AtEnd</a>()) {</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  agg_tuple = <a class="code" href="classimpala_1_1AggregationNode.html#ab9d8d3bf9d509ecd4006da86b5519f9a">ConstructIntermediateTuple</a>();</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="classimpala_1_1AggregationNode.html#a54acbefca4e3a58771dad6581dc2f9c9">hash_tbl_</a>->Insert(agg_tuple);</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  agg_tuple = it.<a class="code" href="classimpala_1_1OldHashTable_1_1Iterator.html#a674f4487b8a6723360347abea737f047">GetTuple</a>();</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classimpala_1_1AggregationNode.html#a05ba73031eaa07f791836a7f1c8f8cba">UpdateTuple</a>(agg_tuple, row);</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> |
| <div class="ttc" id="classimpala_1_1OldHashTable_1_1Iterator_html"><div class="ttname"><a href="classimpala_1_1OldHashTable_1_1Iterator.html">impala::OldHashTable::Iterator</a></div><div class="ttdoc">stl-like iterator interface. </div><div class="ttdef"><b>Definition:</b> <a href="old-hash-table_8h_source.html#l00247">old-hash-table.h:247</a></div></div> |
| <div class="ttc" id="row-batch_8h_html"><div class="ttname"><a href="row-batch_8h.html">row-batch.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1RowBatch_html_ac695df3b85ee416b3d99844813ae813d"><div class="ttname"><a href="classimpala_1_1RowBatch.html#ac695df3b85ee416b3d99844813ae813d">impala::RowBatch::num_rows</a></div><div class="ttdeci">int num_rows() const </div><div class="ttdef"><b>Definition:</b> <a href="row-batch_8h_source.html#l00215">row-batch.h:215</a></div></div> |
| <div class="ttc" id="old-hash-table_8inline_8h_html"><div class="ttname"><a href="old-hash-table_8inline_8h.html">old-hash-table.inline.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1Tuple_html"><div class="ttname"><a href="classimpala_1_1Tuple.html">impala::Tuple</a></div><div class="ttdoc">A tuple with 0 materialised slots is represented as NULL. </div><div class="ttdef"><b>Definition:</b> <a href="tuple_8h_source.html#l00048">tuple.h:48</a></div></div> |
| <div class="ttc" id="classimpala_1_1RowBatch_html_a9320ed986b0717ef26d73d871f3b3a42"><div class="ttname"><a href="classimpala_1_1RowBatch.html#a9320ed986b0717ef26d73d871f3b3a42">impala::RowBatch::GetRow</a></div><div class="ttdeci">TupleRow * GetRow(int row_idx)</div><div class="ttdef"><b>Definition:</b> <a href="row-batch_8h_source.html#l00140">row-batch.h:140</a></div></div> |
| <div class="ttc" id="classimpala_1_1OldHashTable_1_1Iterator_html_a0576f42d01da5122dafbb1ffdb435e03"><div class="ttname"><a href="classimpala_1_1OldHashTable_1_1Iterator.html#a0576f42d01da5122dafbb1ffdb435e03">impala::OldHashTable::Iterator::AtEnd</a></div><div class="ttdeci">bool AtEnd() const </div><div class="ttdoc">Returns true if this iterator is at the end, i.e. GetRow() cannot be called. </div><div class="ttdef"><b>Definition:</b> <a href="old-hash-table_8h_source.html#l00293">old-hash-table.h:293</a></div></div> |
| <div class="ttc" id="classimpala_1_1TupleRow_html"><div class="ttname"><a href="classimpala_1_1TupleRow.html">impala::TupleRow</a></div><div class="ttdef"><b>Definition:</b> <a href="tuple-row_8h_source.html#l00028">tuple-row.h:28</a></div></div> |
| <div class="ttc" id="classimpala_1_1AggregationNode_html_ab9d8d3bf9d509ecd4006da86b5519f9a"><div class="ttname"><a href="classimpala_1_1AggregationNode.html#ab9d8d3bf9d509ecd4006da86b5519f9a">impala::AggregationNode::ConstructIntermediateTuple</a></div><div class="ttdeci">Tuple * ConstructIntermediateTuple()</div><div class="ttdef"><b>Definition:</b> <a href="aggregation-node_8cc_source.html#l00314">aggregation-node.cc:314</a></div></div> |
| <div class="ttc" id="classimpala_1_1AggregationNode_html_ac12936f77511f1975b6766d17b7540ad"><div class="ttname"><a href="classimpala_1_1AggregationNode.html#ac12936f77511f1975b6766d17b7540ad">impala::AggregationNode::singleton_intermediate_tuple_</a></div><div class="ttdeci">Tuple * singleton_intermediate_tuple_</div><div class="ttdef"><b>Definition:</b> <a href="aggregation-node_8h_source.html#l00093">aggregation-node.h:93</a></div></div> |
| <div class="ttc" id="classimpala_1_1AggregationNode_html_ae8c7580abfdb90e76f473923a185130b"><div class="ttname"><a href="classimpala_1_1AggregationNode.html#ae8c7580abfdb90e76f473923a185130b">impala::AggregationNode::ProcessRowBatchWithGrouping</a></div><div class="ttdeci">void ProcessRowBatchWithGrouping(RowBatch *batch)</div><div class="ttdef"><b>Definition:</b> <a href="aggregation-node-ir_8cc_source.html#l00034">aggregation-node-ir.cc:34</a></div></div> |
| <div class="ttc" id="aggregation-node_8h_html"><div class="ttname"><a href="aggregation-node_8h.html">aggregation-node.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1OldHashTable_1_1Iterator_html_a674f4487b8a6723360347abea737f047"><div class="ttname"><a href="classimpala_1_1OldHashTable_1_1Iterator.html#a674f4487b8a6723360347abea737f047">impala::OldHashTable::Iterator::GetTuple</a></div><div class="ttdeci">Tuple * GetTuple()</div><div class="ttdef"><b>Definition:</b> <a href="old-hash-table_8h_source.html#l00271">old-hash-table.h:271</a></div></div> |
| <div class="ttc" id="classimpala_1_1AggregationNode_html_a05ba73031eaa07f791836a7f1c8f8cba"><div class="ttname"><a href="classimpala_1_1AggregationNode.html#a05ba73031eaa07f791836a7f1c8f8cba">impala::AggregationNode::UpdateTuple</a></div><div class="ttdeci">void UpdateTuple(Tuple *tuple, TupleRow *row)</div><div class="ttdef"><b>Definition:</b> <a href="aggregation-node_8cc_source.html#l00369">aggregation-node.cc:369</a></div></div> |
| <div class="ttc" id="classimpala_1_1AggregationNode_html_afb6699996cda4b0190e389ce7a9b44fe"><div class="ttname"><a href="classimpala_1_1AggregationNode.html#afb6699996cda4b0190e389ce7a9b44fe">impala::AggregationNode::ProcessRowBatchNoGrouping</a></div><div class="ttdeci">void ProcessRowBatchNoGrouping(RowBatch *batch)</div><div class="ttdoc">Do the aggregation for all tuple rows in the batch. </div><div class="ttdef"><b>Definition:</b> <a href="aggregation-node-ir_8cc_source.html#l00028">aggregation-node-ir.cc:28</a></div></div> |
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| <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="tuple_8h_html"><div class="ttname"><a href="tuple_8h.html">tuple.h</a></div></div> |
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| <div class="ttc" id="classimpala_1_1AggregationNode_html_a54acbefca4e3a58771dad6581dc2f9c9"><div class="ttname"><a href="classimpala_1_1AggregationNode.html#a54acbefca4e3a58771dad6581dc2f9c9">impala::AggregationNode::hash_tbl_</a></div><div class="ttdeci">boost::scoped_ptr< OldHashTable > hash_tbl_</div><div class="ttdef"><b>Definition:</b> <a href="aggregation-node_8h_source.html#l00067">aggregation-node.h:67</a></div></div> |
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