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| <div class="title">data-source-scan-node.h</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <a href="data-source-scan-node_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 2014 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_EXEC_DATA_SOURCE_SCAN_NODE_H_</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#define IMPALA_EXEC_DATA_SOURCE_SCAN_NODE_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 <string></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <boost/scoped_ptr.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="scan-node_8h.html">exec/scan-node.h</a>"</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="external-data-source-executor_8h.html">exec/external-data-source-executor.h</a>"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="descriptors_8h.html">runtime/descriptors.h</a>"</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="mem-pool_8h.html">runtime/mem-pool.h</a>"</span></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="preprocessor">#include "gen-cpp/ExternalDataSource_types.h"</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">class </span>Tuple;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> |
| <div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html"> 38</a></span> <span class="keyword">class </span><a class="code" href="classimpala_1_1DataSourceScanNode.html">DataSourceScanNode</a> : <span class="keyword">public</span> <a class="code" href="classimpala_1_1ScanNode.html">ScanNode</a> {</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="classimpala_1_1DataSourceScanNode.html#a8140d6d70f7fb839fa5e3454bfe6d2c5">DataSourceScanNode</a>(<a class="code" href="classimpala_1_1ObjectPool.html">ObjectPool</a>* <a class="code" href="expr-benchmark_8cc.html#a3a5de7bd423fbc0afc4cf935c166ca6b">pool</a>, <span class="keyword">const</span> TPlanNode& tnode, <span class="keyword">const</span> <a class="code" href="classimpala_1_1DescriptorTbl.html">DescriptorTbl</a>& descs);</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="classimpala_1_1DataSourceScanNode.html#a5e4dc9362d6e377312d0c10741a2f5c1">~DataSourceScanNode</a>();</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">virtual</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a2f91ad5e3ea63fdcf8f3b5e907548f30">Prepare</a>(<a class="code" href="classimpala_1_1RuntimeState.html">RuntimeState</a>* state);</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">virtual</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a1ada298381347b47daa00c56473e3014">Open</a>(<a class="code" href="classimpala_1_1RuntimeState.html">RuntimeState</a>* state);</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">virtual</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1DataSourceScanNode.html#af78cfbd7469bacb744a427bf7d82d546">GetNext</a>(<a class="code" href="classimpala_1_1RuntimeState.html">RuntimeState</a>* state, <a class="code" href="classimpala_1_1RowBatch.html">RowBatch</a>* row_batch, <span class="keywordtype">bool</span>* eos);</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">virtual</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a1590cb8914a7815f4fbe4fb5253a8642">Reset</a>(<a class="code" href="classimpala_1_1RuntimeState.html">RuntimeState</a>* state);</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1DataSourceScanNode.html#ac5506dc6cb594e3aee45f4f2df9d17cb">Close</a>(<a class="code" href="classimpala_1_1RuntimeState.html">RuntimeState</a>* state);</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">protected</span>:</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ExecNode.html#a56de50f3c92483ba38f6e42ab19cc0a2">DebugString</a>(<span class="keywordtype">int</span> indentation_level, std::stringstream* out) <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#a27cd93e9460a76ef48c64a0cd22a8b23"> 65</a></span>  boost::scoped_ptr<ExternalDataSourceExecutor> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a27cd93e9460a76ef48c64a0cd22a8b23">data_source_executor_</a>;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#af2515bc48452c9ffbaaa568c4c5b4118"> 68</a></span>  <span class="keyword">const</span> TDataSourceScanNode <a class="code" href="classimpala_1_1DataSourceScanNode.html#af2515bc48452c9ffbaaa568c4c5b4118">data_src_node_</a>;</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div> |
| <div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#a543bba8a41d9b0981720d6267d3cfa2f"> 71</a></span>  <span class="keyword">const</span> <a class="code" href="classimpala_1_1TupleDescriptor.html">TupleDescriptor</a>* <a class="code" href="classimpala_1_1DataSourceScanNode.html#a543bba8a41d9b0981720d6267d3cfa2f">tuple_desc_</a>;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> |
| <div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#a0d73e7c5a7f0f06be40f079aa01ca077"> 74</a></span>  <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a0d73e7c5a7f0f06be40f079aa01ca077">tuple_idx_</a>;</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#a9ac901dc98e1b11746729addc326479f"> 77</a></span>  <a class="code" href="classimpala_1_1Tuple.html">Tuple</a>* <a class="code" href="classimpala_1_1DataSourceScanNode.html#a9ac901dc98e1b11746729addc326479f">tuple_</a>;</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#abe3904a1c6dcdce7a649b77ad3b490e8"> 82</a></span>  std::vector<SlotDescriptor*> <a class="code" href="classimpala_1_1DataSourceScanNode.html#abe3904a1c6dcdce7a649b77ad3b490e8">materialized_slots_</a>;</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#ad9d7dac1cfa3955f292873edde08dbbb"> 85</a></span>  std::string <a class="code" href="classimpala_1_1DataSourceScanNode.html#ad9d7dac1cfa3955f292873edde08dbbb">scan_handle_</a>;</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> |
| <div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#ac0f91379a6093b175aa462e0720e41df"> 89</a></span>  boost::scoped_ptr<extdatasource::TGetNextResult> <a class="code" href="classimpala_1_1DataSourceScanNode.html#ac0f91379a6093b175aa462e0720e41df">input_batch_</a>;</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> |
| <div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#a639035c72b80544b1a7ffa1ff8f29376"> 93</a></span>  <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a639035c72b80544b1a7ffa1ff8f29376">num_rows_</a>;</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> |
| <div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#a892c504c96e308981dfa815e8f5491d5"> 97</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a892c504c96e308981dfa815e8f5491d5">next_row_idx_</a>;</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#a8b556f21e0823a62f6b9c5d81336b787"> 102</a></span>  std::vector<int> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a8b556f21e0823a62f6b9c5d81336b787">cols_next_val_idx_</a>;</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a2b352aaadc65c4a82d6b0c8e1f61a11f">MaterializeNextRow</a>(<a class="code" href="classimpala_1_1MemPool.html">MemPool</a>* mem_pool);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1DataSourceScanNode.html#af76be3ce1f14bde2d4091606e5d2f381">GetNextInputBatch</a>();</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a57d744256fe904841739ed4b450f297e">ValidateRowBatchSize</a>();</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> |
| <div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classimpala_1_1DataSourceScanNode.html#a991915577899cde7dc187adc8ad38d66"> 115</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a991915577899cde7dc187adc8ad38d66">InputBatchHasNext</a>() {</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (!<a class="code" href="classimpala_1_1DataSourceScanNode.html#ac0f91379a6093b175aa462e0720e41df">input_batch_</a>->__isset.rows) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1DataSourceScanNode.html#a892c504c96e308981dfa815e8f5491d5">next_row_idx_</a> < <a class="code" href="classimpala_1_1DataSourceScanNode.html#a639035c72b80544b1a7ffa1ff8f29376">num_rows_</a>;</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> };</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#endif</span></div> |
| <div class="ttc" id="classimpala_1_1TupleDescriptor_html"><div class="ttname"><a href="classimpala_1_1TupleDescriptor.html">impala::TupleDescriptor</a></div><div class="ttdef"><b>Definition:</b> <a href="descriptors_8h_source.html#l00298">descriptors.h:298</a></div></div> |
| <div class="ttc" id="classimpala_1_1DescriptorTbl_html"><div class="ttname"><a href="classimpala_1_1DescriptorTbl.html">impala::DescriptorTbl</a></div><div class="ttdef"><b>Definition:</b> <a href="descriptors_8h_source.html#l00338">descriptors.h:338</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_ad9d7dac1cfa3955f292873edde08dbbb"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#ad9d7dac1cfa3955f292873edde08dbbb">impala::DataSourceScanNode::scan_handle_</a></div><div class="ttdeci">std::string scan_handle_</div><div class="ttdoc">The opaque handle returned by the data source for the scan. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00085">data-source-scan-node.h:85</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a892c504c96e308981dfa815e8f5491d5"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a892c504c96e308981dfa815e8f5491d5">impala::DataSourceScanNode::next_row_idx_</a></div><div class="ttdeci">size_t next_row_idx_</div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00097">data-source-scan-node.h:97</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a991915577899cde7dc187adc8ad38d66"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a991915577899cde7dc187adc8ad38d66">impala::DataSourceScanNode::InputBatchHasNext</a></div><div class="ttdeci">bool InputBatchHasNext()</div><div class="ttdoc">True if input_batch_ has more rows. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00115">data-source-scan-node.h:115</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a8140d6d70f7fb839fa5e3454bfe6d2c5"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a8140d6d70f7fb839fa5e3454bfe6d2c5">impala::DataSourceScanNode::DataSourceScanNode</a></div><div class="ttdeci">DataSourceScanNode(ObjectPool *pool, const TPlanNode &tnode, const DescriptorTbl &descs)</div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00062">data-source-scan-node.cc:62</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_ac5506dc6cb594e3aee45f4f2df9d17cb"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#ac5506dc6cb594e3aee45f4f2df9d17cb">impala::DataSourceScanNode::Close</a></div><div class="ttdeci">virtual void Close(RuntimeState *state)</div><div class="ttdoc">Close the scanner, and report errors. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00349">data-source-scan-node.cc:349</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_1DataSourceScanNode_html_a1ada298381347b47daa00c56473e3014"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a1ada298381347b47daa00c56473e3014">impala::DataSourceScanNode::Open</a></div><div class="ttdeci">virtual Status Open(RuntimeState *state)</div><div class="ttdoc">Open the data source and initialize the first row batch. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00092">data-source-scan-node.cc:92</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a0d73e7c5a7f0f06be40f079aa01ca077"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a0d73e7c5a7f0f06be40f079aa01ca077">impala::DataSourceScanNode::tuple_idx_</a></div><div class="ttdeci">int tuple_idx_</div><div class="ttdoc">Tuple index in tuple row. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00074">data-source-scan-node.h:74</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_1DataSourceScanNode_html_a57d744256fe904841739ed4b450f297e"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a57d744256fe904841739ed4b450f297e">impala::DataSourceScanNode::ValidateRowBatchSize</a></div><div class="ttdeci">Status ValidateRowBatchSize()</div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00124">data-source-scan-node.cc:124</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a2b352aaadc65c4a82d6b0c8e1f61a11f"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a2b352aaadc65c4a82d6b0c8e1f61a11f">impala::DataSourceScanNode::MaterializeNextRow</a></div><div class="ttdeci">Status MaterializeNextRow(MemPool *mem_pool)</div><div class="ttdoc">Materializes the next row (next_row_idx_) into tuple_. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00193">data-source-scan-node.cc:193</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a27cd93e9460a76ef48c64a0cd22a8b23"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a27cd93e9460a76ef48c64a0cd22a8b23">impala::DataSourceScanNode::data_source_executor_</a></div><div class="ttdeci">boost::scoped_ptr< ExternalDataSourceExecutor > data_source_executor_</div><div class="ttdoc">Used to call the external data source. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00065">data-source-scan-node.h:65</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a8b556f21e0823a62f6b9c5d81336b787"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a8b556f21e0823a62f6b9c5d81336b787">impala::DataSourceScanNode::cols_next_val_idx_</a></div><div class="ttdeci">std::vector< int > cols_next_val_idx_</div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00102">data-source-scan-node.h:102</a></div></div> |
| <div class="ttc" id="external-data-source-executor_8h_html"><div class="ttname"><a href="external-data-source-executor_8h.html">external-data-source-executor.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a1590cb8914a7815f4fbe4fb5253a8642"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a1590cb8914a7815f4fbe4fb5253a8642">impala::DataSourceScanNode::Reset</a></div><div class="ttdeci">virtual Status Reset(RuntimeState *state)</div><div class="ttdoc">NYI. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00344">data-source-scan-node.cc:344</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_abe3904a1c6dcdce7a649b77ad3b490e8"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#abe3904a1c6dcdce7a649b77ad3b490e8">impala::DataSourceScanNode::materialized_slots_</a></div><div class="ttdeci">std::vector< SlotDescriptor * > materialized_slots_</div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00082">data-source-scan-node.h:82</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_1ExecNode_html_a56de50f3c92483ba38f6e42ab19cc0a2"><div class="ttname"><a href="classimpala_1_1ExecNode.html#a56de50f3c92483ba38f6e42ab19cc0a2">impala::ExecNode::DebugString</a></div><div class="ttdeci">std::string DebugString() const </div><div class="ttdoc">Returns a string representation in DFS order of the plan rooted at this. </div><div class="ttdef"><b>Definition:</b> <a href="exec-node_8cc_source.html#l00345">exec-node.cc:345</a></div></div> |
| <div class="ttc" id="scan-node_8h_html"><div class="ttname"><a href="scan-node_8h.html">scan-node.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_af2515bc48452c9ffbaaa568c4c5b4118"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#af2515bc48452c9ffbaaa568c4c5b4118">impala::DataSourceScanNode::data_src_node_</a></div><div class="ttdeci">const TDataSourceScanNode data_src_node_</div><div class="ttdoc">Thrift structure describing the data source scan node. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00068">data-source-scan-node.h:68</a></div></div> |
| <div class="ttc" id="classimpala_1_1MemPool_html"><div class="ttname"><a href="classimpala_1_1MemPool.html">impala::MemPool</a></div><div class="ttdef"><b>Definition:</b> <a href="mem-pool_8h_source.html#l00077">mem-pool.h:77</a></div></div> |
| <div class="ttc" id="classimpala_1_1RuntimeState_html"><div class="ttname"><a href="classimpala_1_1RuntimeState.html">impala::RuntimeState</a></div><div class="ttdef"><b>Definition:</b> <a href="runtime-state_8h_source.html#l00069">runtime-state.h:69</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_af78cfbd7469bacb744a427bf7d82d546"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#af78cfbd7469bacb744a427bf7d82d546">impala::DataSourceScanNode::GetNext</a></div><div class="ttdeci">virtual Status GetNext(RuntimeState *state, RowBatch *row_batch, bool *eos)</div><div class="ttdoc">Fill the next row batch, calls GetNext() on the external scanner. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00292">data-source-scan-node.cc:292</a></div></div> |
| <div class="ttc" id="expr-benchmark_8cc_html_a3a5de7bd423fbc0afc4cf935c166ca6b"><div class="ttname"><a href="expr-benchmark_8cc.html#a3a5de7bd423fbc0afc4cf935c166ca6b">pool</a></div><div class="ttdeci">ObjectPool pool</div><div class="ttdef"><b>Definition:</b> <a href="expr-benchmark_8cc_source.html#l00089">expr-benchmark.cc:89</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a9ac901dc98e1b11746729addc326479f"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a9ac901dc98e1b11746729addc326479f">impala::DataSourceScanNode::tuple_</a></div><div class="ttdeci">Tuple * tuple_</div><div class="ttdoc">Current tuple. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00077">data-source-scan-node.h:77</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a5e4dc9362d6e377312d0c10741a2f5c1"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a5e4dc9362d6e377312d0c10741a2f5c1">impala::DataSourceScanNode::~DataSourceScanNode</a></div><div class="ttdeci">~DataSourceScanNode()</div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00071">data-source-scan-node.cc:71</a></div></div> |
| <div class="ttc" id="classimpala_1_1ScanNode_html"><div class="ttname"><a href="classimpala_1_1ScanNode.html">impala::ScanNode</a></div><div class="ttdoc">Abstract base class of all scan nodes; introduces SetScanRange(). </div><div class="ttdef"><b>Definition:</b> <a href="scan-node_8h_source.html#l00077">scan-node.h:77</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="classimpala_1_1DataSourceScanNode_html"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html">impala::DataSourceScanNode</a></div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00038">data-source-scan-node.h:38</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_ac0f91379a6093b175aa462e0720e41df"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#ac0f91379a6093b175aa462e0720e41df">impala::DataSourceScanNode::input_batch_</a></div><div class="ttdeci">boost::scoped_ptr< extdatasource::TGetNextResult > input_batch_</div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00089">data-source-scan-node.h:89</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_af76be3ce1f14bde2d4091606e5d2f381"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#af76be3ce1f14bde2d4091606e5d2f381">impala::DataSourceScanNode::GetNextInputBatch</a></div><div class="ttdeci">Status GetNextInputBatch()</div><div class="ttdoc">Gets the next batch from the data source, stored in input_batch_. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00144">data-source-scan-node.cc:144</a></div></div> |
| <div class="ttc" id="mem-pool_8h_html"><div class="ttname"><a href="mem-pool_8h.html">mem-pool.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a543bba8a41d9b0981720d6267d3cfa2f"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a543bba8a41d9b0981720d6267d3cfa2f">impala::DataSourceScanNode::tuple_desc_</a></div><div class="ttdeci">const TupleDescriptor * tuple_desc_</div><div class="ttdoc">Descriptor of tuples read. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00071">data-source-scan-node.h:71</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a639035c72b80544b1a7ffa1ff8f29376"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a639035c72b80544b1a7ffa1ff8f29376">impala::DataSourceScanNode::num_rows_</a></div><div class="ttdeci">int num_rows_</div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8h_source.html#l00093">data-source-scan-node.h:93</a></div></div> |
| <div class="ttc" id="descriptors_8h_html"><div class="ttname"><a href="descriptors_8h.html">descriptors.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1DataSourceScanNode_html_a2f91ad5e3ea63fdcf8f3b5e907548f30"><div class="ttname"><a href="classimpala_1_1DataSourceScanNode.html#a2f91ad5e3ea63fdcf8f3b5e907548f30">impala::DataSourceScanNode::Prepare</a></div><div class="ttdeci">virtual Status Prepare(RuntimeState *state)</div><div class="ttdoc">Load the data source library and create the ExternalDataSourceExecutor. </div><div class="ttdef"><b>Definition:</b> <a href="data-source-scan-node_8cc_source.html#l00074">data-source-scan-node.cc:74</a></div></div> |
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