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<div id="projectname">Impala
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<div id="projectbrief">Impalaistheopensource,nativeanalyticdatabaseforApacheHadoop.</div>
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<div class="title">udf.cc</div> </div>
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<a href="udf_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>&#160;<span class="comment">// Copyright 2012 Cloudera Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<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>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<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>&#160;<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>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="udf_8h.html">udf/udf.h</a>&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &lt;assert.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;gutil/port.h&gt;</span> <span class="comment">// for aligned_malloc</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#ifndef IMPALA_UDF_SDK_BUILD</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="error-util_8h.html">util/error-util.h</a>&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment">// Be careful what this includes since this needs to be linked into the UDF&#39;s</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment">// binary. For example, it would be unfortunate if they had a random dependency</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// on libhdfs.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="udf-internal_8h.html">udf/udf-internal.h</a>&quot;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#if IMPALA_UDF_SDK_BUILD</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor"></span><span class="comment">// For the SDK build, we are building the .lib that the developers would use to</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">// write UDFs. They want to link against this to run their UDFs in a test environment.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">// Pulling in free-pool is very undesirable since it pulls in many other libraries.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// Instead, we&#39;ll implement a dummy version that is not used.</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment">// When they build their library to a .so, they&#39;d use the version of FunctionContext</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">// in the main binary, which does include FreePool.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor">#define VLOG_ROW while(false) std::cout</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define VLOG_ROW_IS_ON (false)</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword">namespace </span>impala {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="keyword">class </span><a class="code" href="classimpala_1_1MemTracker.html">MemTracker</a> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1MemTracker.html#a039829918860a92eb8216d2bed208117">Consume</a>(int64_t bytes) { }</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1MemTracker.html#a06c4e0963fc1b49a5437eccee965476a">Release</a>(int64_t bytes) { }</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;};</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="keyword">class </span><a class="code" href="classimpala_1_1FreePool.html">FreePool</a> {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <a class="code" href="classimpala_1_1FreePool.html#ac76a939537bad87cb8077d53547d4dc6">FreePool</a>(<a class="code" href="classimpala_1_1MemPool.html">MemPool</a>*) : <a class="code" href="classimpala_1_1FreePool.html#a959241b3f7df16fd261597dd77b46352">net_allocations_</a>(0) { }</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; uint8_t* <a class="code" href="classimpala_1_1FreePool.html#a4554b5e705a4140caa4532157abff922">Allocate</a>(<span class="keywordtype">int</span> byte_size) {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; ++<a class="code" href="classimpala_1_1FreePool.html#a959241b3f7df16fd261597dd77b46352">net_allocations_</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast&lt;</span>uint8_t*<span class="keyword">&gt;</span>(malloc(byte_size));</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; uint8_t* <a class="code" href="classimpala_1_1FreePool.html#aab2446fc4d9f9490631ba741de0f08a5">Reallocate</a>(uint8_t* ptr, <span class="keywordtype">int</span> byte_size) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast&lt;</span>uint8_t*<span class="keyword">&gt;</span>(realloc(ptr, byte_size));</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1FreePool.html#ad7e708305e49d2d9c7ab005417f393b6">Free</a>(uint8_t* ptr) {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; --<a class="code" href="classimpala_1_1FreePool.html#a959241b3f7df16fd261597dd77b46352">net_allocations_</a>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; free(ptr);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <a class="code" href="classimpala_1_1MemTracker.html">MemTracker</a>* <a class="code" href="classimpala_1_1FreePool.html#a706bfbd8f0158a85300a7c0f13e765fa">mem_tracker</a>() { <span class="keywordflow">return</span> &amp;mem_tracker_; }</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; int64_t <a class="code" href="classimpala_1_1FreePool.html#a63e4fa68a2b6469b3df0df111143e03b">net_allocations</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1FreePool.html#a959241b3f7df16fd261597dd77b46352">net_allocations_</a>; }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <a class="code" href="classimpala_1_1MemTracker.html">MemTracker</a> mem_tracker_;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; int64_t <a class="code" href="classimpala_1_1FreePool.html#a959241b3f7df16fd261597dd77b46352">net_allocations_</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;};</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="keyword">class </span><a class="code" href="classimpala_1_1RuntimeState.html">RuntimeState</a> {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1RuntimeState.html#a233883754ac3c0296005daee68143bcd">set_query_status</a>(<span class="keyword">const</span> std::string&amp; error_msg) {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; assert(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1RuntimeState.html#ad449a8708ed26241be77b023c95ac7f0">abort_on_error</a>() {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; assert(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; }</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1RuntimeState.html#aaf076b1879d9e712b08ba3a6e24607b9">LogError</a>(<span class="keyword">const</span> std::string&amp; error) {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; assert(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keyword">const</span> std::string <a class="code" href="classimpala_1_1RuntimeState.html#ab95ee5ebc56ae95a6a6e8051140a55c1">connected_user</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>; }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;};</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="free-pool_8h.html">runtime/free-pool.h</a>&quot;</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="mem-tracker_8h.html">runtime/mem-tracker.h</a>&quot;</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="runtime-state_8h.html">runtime/runtime-state.h</a>&quot;</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="names_8h.html">common/names.h</a>&quot;</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="keyword">using namespace </span>impala;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="keyword">using namespace </span>impala_udf;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="classimpala_1_1FunctionContextImpl.html#a8347ddf32791aeaa47ab3f1c4738d2b1">FunctionContextImpl::LLVM_FUNCTIONCONTEXT_NAME</a> =</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="stringliteral">&quot;class.impala_udf::FunctionContext&quot;</span>;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="udf_8cc.html#a00a3ef5570027776a85a5266ba5ef317"> 111</a></span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="udf_8cc.html#a00a3ef5570027776a85a5266ba5ef317">MAX_WARNINGS</a> = 1000;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* <a class="code" href="classimpala_1_1FunctionContextImpl.html#ab96bee28cd0d6c56ae8953a8eaa1d440">FunctionContextImpl::CreateContext</a>(<a class="code" href="classimpala_1_1RuntimeState.html">RuntimeState</a>* state, <a class="code" href="classimpala_1_1MemPool.html">MemPool</a>* <a class="code" href="expr-benchmark_8cc.html#a3a5de7bd423fbc0afc4cf935c166ca6b">pool</a>,</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keyword">const</span> <a class="code" href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html">FunctionContext::TypeDesc</a>&amp; return_type,</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keyword">const</span> vector&lt;FunctionContext::TypeDesc&gt;&amp; arg_types,</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordtype">int</span> varargs_buffer_size, <span class="keywordtype">bool</span> debug) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html">FunctionContext::TypeDesc</a> invalid_type;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; invalid_type.<a class="code" href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html#a881ee51ecdb40ac7469151128a9193d7">type</a> = <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a8192c4dfd7f7684df6d1c0442e1cd8c4">FunctionContext::INVALID_TYPE</a>;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; invalid_type.<a class="code" href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html#a4e972765ff3d2151c14349c0e1fb458f">precision</a> = 0;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; invalid_type.<a class="code" href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html#ae2505d4fdfd1db9353e3a1439f0b0452">scale</a> = 0;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1FunctionContextImpl.html#ab96bee28cd0d6c56ae8953a8eaa1d440">FunctionContextImpl::CreateContext</a>(state, pool, invalid_type, return_type,</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; arg_types, varargs_buffer_size, debug);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;}</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* <a class="code" href="classimpala_1_1FunctionContextImpl.html#ab96bee28cd0d6c56ae8953a8eaa1d440">FunctionContextImpl::CreateContext</a>(<a class="code" href="classimpala_1_1RuntimeState.html">RuntimeState</a>* state, <a class="code" href="classimpala_1_1MemPool.html">MemPool</a>* <a class="code" href="expr-benchmark_8cc.html#a3a5de7bd423fbc0afc4cf935c166ca6b">pool</a>,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keyword">const</span> <a class="code" href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html">FunctionContext::TypeDesc</a>&amp; intermediate_type,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keyword">const</span> <a class="code" href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html">FunctionContext::TypeDesc</a>&amp; return_type,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keyword">const</span> vector&lt;FunctionContext::TypeDesc&gt;&amp; arg_types,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordtype">int</span> varargs_buffer_size, <span class="keywordtype">bool</span> debug) {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <a class="code" href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a>* ctx = <span class="keyword">new</span> <a class="code" href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a>();</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#abb5d185f29616cea758c4ff41bc3a1f9">state_</a> = state;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">pool_</a> = <span class="keyword">new</span> <a class="code" href="classimpala_1_1FreePool.html">FreePool</a>(pool);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#aebf59d2720f50c2c7dfa06a8e667eff5">intermediate_type_</a> = intermediate_type;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#a77818e1135241aacf279bcfcd227afe4">return_type_</a> = return_type;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2bfaf87a01ecf1842a8c7edc18ef701b">arg_types_</a> = arg_types;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="comment">// UDFs may manipulate DecimalVal arguments via SIMD instructions such as &#39;movaps&#39;</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="comment">// that require 16-byte memory alignment.</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#ac3e6545cc5d5ed900fee1e598e41189c">varargs_buffer_</a> =</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keyword">reinterpret_cast&lt;</span>uint8_t*<span class="keyword">&gt;</span>(aligned_malloc(varargs_buffer_size, 16));</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#aa7669f138ecf3c4caa55765d7c17bfdf">varargs_buffer_size_</a> = varargs_buffer_size;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#ae4052d255659563eb774b7aa85330909">debug_</a> = debug;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <a class="code" href="logging_8h.html#a6ccc2106c47622db4e52a401a415fc58">VLOG_ROW</a> &lt;&lt; <span class="stringliteral">&quot;Created FunctionContext: &quot;</span> &lt;&lt; ctx</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; &lt;&lt; <span class="stringliteral">&quot; with pool &quot;</span> &lt;&lt; ctx-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">pool_</a>;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">return</span> ctx;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;}</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="classimpala_1_1FunctionContextImpl.html#ac7f60a4e3b98d79b56f1ea3d1b7a8218"> 147</a></span>&#160;<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* <a class="code" href="classimpala_1_1FunctionContextImpl.html#ac7f60a4e3b98d79b56f1ea3d1b7a8218">FunctionContextImpl::Clone</a>(<a class="code" href="classimpala_1_1MemPool.html">MemPool</a>* <a class="code" href="expr-benchmark_8cc.html#a3a5de7bd423fbc0afc4cf935c166ca6b">pool</a>) {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <a class="code" href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a>* new_context =</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; CreateContext(state_, pool, intermediate_type_, return_type_, arg_types_,</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; varargs_buffer_size_, debug_);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; new_context-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#ac8f5e578e44c003200f5c561767dcbd0">constant_args_</a> = constant_args_;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; new_context-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#ad2b85c70e93d175a4e796e62e5307974">fragment_local_fn_state_</a> = fragment_local_fn_state_;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">return</span> new_context;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;}</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#acac1d543ef6f4019b1aba63853db67db"> 156</a></span>&#160;FunctionContext::FunctionContext() : impl_(new <a class="code" href="classimpala_1_1FunctionContextImpl.html">FunctionContextImpl</a>(this)) {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;}</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;</div>
<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#af0781b66d50075284f26b159e43e1aab"> 159</a></span>&#160;<a class="code" href="classimpala__udf_1_1FunctionContext.html#af0781b66d50075284f26b159e43e1aab">FunctionContext::~FunctionContext</a>() {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; assert(<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#aae505ee65d05efa26267bbbda559d3d5">closed_</a> &amp;&amp; <span class="stringliteral">&quot;FunctionContext wasn&#39;t closed!&quot;</span>);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keyword">delete</span> <a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">pool_</a>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keyword">delete</span> <a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;}</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;</div>
<div class="line"><a name="l00165"></a><span class="lineno"><a class="line" href="classimpala_1_1FunctionContextImpl.html#a38827395693b33e600ce7e4be02b1d97"> 165</a></span>&#160;FunctionContextImpl::FunctionContextImpl(<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* parent)</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; : varargs_buffer_(NULL),</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; varargs_buffer_size_(0),</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; context_(parent),</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; pool_(NULL),</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; state_(NULL),</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; debug_(false),</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; version_(<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>::v1_3),</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; num_warnings_(0),</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; num_updates_(0),</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; num_removes_(0),</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; thread_local_fn_state_(NULL),</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; fragment_local_fn_state_(NULL),</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; external_bytes_tracked_(0),</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; closed_(false) {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;}</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classimpala_1_1FunctionContextImpl.html#a61405b8ed8f457d3d24a70ce458cfdd8"> 182</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classimpala_1_1FunctionContextImpl.html#a61405b8ed8f457d3d24a70ce458cfdd8">FunctionContextImpl::Close</a>() {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1FunctionContextImpl.html#aae505ee65d05efa26267bbbda559d3d5">closed_</a>) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="comment">// Free local allocations first so we can detect leaks through any remaining allocations</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">// (local allocations cannot be leaked, at least not by the UDF)</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a80525ee3964bb96a68897ffa71be88ad">FreeLocalAllocations</a>();</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; stringstream error_ss;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="classimpala_1_1FunctionContextImpl.html#ae4052d255659563eb774b7aa85330909">debug_</a>) {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">pool_</a>-&gt;<a class="code" href="classimpala_1_1FreePool.html#a63e4fa68a2b6469b3df0df111143e03b">net_allocations</a>() &gt; 0) {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; error_ss &lt;&lt; <span class="stringliteral">&quot;Memory leaked via FunctionContext::Allocate()&quot;</span>;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">pool_</a>-&gt;<a class="code" href="classimpala_1_1FreePool.html#a63e4fa68a2b6469b3df0df111143e03b">net_allocations</a>() &lt; 0) {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; error_ss &lt;&lt; <span class="stringliteral">&quot;FunctionContext::Free() called on buffer that was already freed or &quot;</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="stringliteral">&quot;was not allocated.&quot;</span>;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!<a class="code" href="classimpala_1_1FunctionContextImpl.html#a5d861b5524f7f36e5db1090ec259ed84">allocations_</a>.empty()) {</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordtype">int</span> bytes = 0;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">for</span> (map&lt;uint8_t*, int&gt;::iterator i = <a class="code" href="classimpala_1_1FunctionContextImpl.html#a5d861b5524f7f36e5db1090ec259ed84">allocations_</a>.begin();</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; i != <a class="code" href="classimpala_1_1FunctionContextImpl.html#a5d861b5524f7f36e5db1090ec259ed84">allocations_</a>.end(); ++i) {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; bytes += i-&gt;second;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; error_ss &lt;&lt; bytes &lt;&lt; <span class="stringliteral">&quot; bytes leaked via FunctionContext::Allocate()&quot;</span>;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a5d861b5524f7f36e5db1090ec259ed84">allocations_</a>.clear();</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; }</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2822076ea8a0b77bc9c95582284ca75e">external_bytes_tracked_</a> &gt; 0) {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="keywordflow">if</span> (!error_ss.str().empty()) error_ss &lt;&lt; <span class="stringliteral">&quot;, &quot;</span>;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; error_ss &lt;&lt; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a2822076ea8a0b77bc9c95582284ca75e">external_bytes_tracked_</a></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; &lt;&lt; <span class="stringliteral">&quot; bytes leaked via FunctionContext::TrackAllocation()&quot;</span>;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="comment">// This isn&#39;t ideal because the memory is still leaked, but don&#39;t track it so our</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="comment">// accounting stays sane.</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="comment">// TODO: we need to modify the memtrackers to allow leaked user-allocated memory.</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#ac95439abaef159f60e44a0d11392b74e">context_</a>-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#a14904de2d63cac14b1a1ef09b0653a14">Free</a>(external_bytes_tracked_);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">if</span> (!error_ss.str().empty()) {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="comment">// Treat memory leaks as errors in the SDK build so they trigger test failures, but</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="comment">// don&#39;t blow up actual queries due to leaks (unless abort_on_error is true).</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="comment">// TODO: revisit abort_on_error case. Setting the error won&#39;t do anything in close.</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1FunctionContextImpl.html#abb5d185f29616cea758c4ff41bc3a1f9">state_</a> == NULL || <a class="code" href="classimpala_1_1FunctionContextImpl.html#abb5d185f29616cea758c4ff41bc3a1f9">state_</a>-&gt;<a class="code" href="classimpala_1_1RuntimeState.html#ad449a8708ed26241be77b023c95ac7f0">abort_on_error</a>()) {</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#ac95439abaef159f60e44a0d11392b74e">context_</a>-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#aa29186643c6b873f95e361b74e54a715">SetError</a>(error_ss.str().c_str());</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#ac95439abaef159f60e44a0d11392b74e">context_</a>-&gt;<a class="code" href="classimpala__udf_1_1FunctionContext.html#a228cf1a119cfe039dbfb1646fa2566f7">AddWarning</a>(error_ss.str().c_str());</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; }</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; free(<a class="code" href="classimpala_1_1FunctionContextImpl.html#ac3e6545cc5d5ed900fee1e598e41189c">varargs_buffer_</a>);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#ac3e6545cc5d5ed900fee1e598e41189c">varargs_buffer_</a> = NULL;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#aae505ee65d05efa26267bbbda559d3d5">closed_</a> = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;}</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;</div>
<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a4ed172014a12fc760fb444eeb9eebecf"> 233</a></span>&#160;<a class="code" href="classimpala__udf_1_1FunctionContext.html#a3c69e8ce595c0d4ce2fd855f8341ca21">FunctionContext::ImpalaVersion</a> FunctionContext::version()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">return</span> impl_-&gt;version_;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;}</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;</div>
<div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a8eee8c461d5e9bb7d1c22569ff68b899"> 237</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span>* FunctionContext::user()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keywordflow">if</span> (impl_-&gt;state_ == NULL) <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="keywordflow">return</span> impl_-&gt;state_-&gt;connected_user().c_str();</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;}</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;</div>
<div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a223486a4836bac2ad0bac4cdd283d347"> 242</a></span>&#160;<a class="code" href="structimpala__udf_1_1FunctionContext_1_1UniqueId.html">FunctionContext::UniqueId</a> <a class="code" href="namespaceimpala.html#af9bbe2e7657f31e00eb4adbf126c2ce1">FunctionContext::query_id</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <a class="code" href="structimpala__udf_1_1FunctionContext_1_1UniqueId.html">UniqueId</a> id;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160;<span class="preprocessor">#if IMPALA_UDF_SDK_BUILD</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160;<span class="preprocessor"></span> <span class="keywordtype">id</span>.<a class="code" href="structimpala__udf_1_1FunctionContext_1_1UniqueId.html#a35c23bc339c0f67378359ecaae3d61f7">hi</a> = <span class="keywordtype">id</span>.lo = 0;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160;<span class="preprocessor"></span> <span class="keywordtype">id</span>.hi = impl_-&gt;state_-&gt;query_id().hi;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <span class="keywordtype">id</span>.lo = impl_-&gt;state_-&gt;query_id().lo;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;<span class="preprocessor"></span> <span class="keywordflow">return</span> id;</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;}</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;</div>
<div class="line"><a name="l00253"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#ac675ff4a1fd6f4e360cca258ac6368e5"> 253</a></span>&#160;<span class="keywordtype">bool</span> FunctionContext::has_error()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keywordflow">return</span> !impl_-&gt;error_msg_.empty();</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160;}</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160;</div>
<div class="line"><a name="l00257"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a9ad5dd07c98e9f74c52e8436421c1594"> 257</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span>* FunctionContext::error_msg()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="keywordflow">if</span> (has_error()) <span class="keywordflow">return</span> impl_-&gt;error_msg_.c_str();</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;}</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160;</div>
<div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a24a7e63aa708e54ea3c8c9572a00ede2"> 262</a></span>&#160;uint8_t* FunctionContext::Allocate(<span class="keywordtype">int</span> byte_size) {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; assert(!impl_-&gt;closed_);</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordflow">if</span> (byte_size == 0) <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; uint8_t* buffer = impl_-&gt;pool_-&gt;Allocate(byte_size);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="keywordflow">if</span> (impl_-&gt;debug_) {</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; impl_-&gt;allocations_[buffer] = byte_size;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; memset(buffer, 0xff, byte_size);</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; }</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <a class="code" href="logging_8h.html#a6ccc2106c47622db4e52a401a415fc58">VLOG_ROW</a> &lt;&lt; <span class="stringliteral">&quot;Allocate: FunctionContext=&quot;</span> &lt;&lt; <span class="keyword">this</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; &lt;&lt; <span class="stringliteral">&quot; size=&quot;</span> &lt;&lt; byte_size</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; &lt;&lt; <span class="stringliteral">&quot; result=&quot;</span> &lt;&lt; <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(buffer);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keywordflow">return</span> buffer;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160;}</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160;</div>
<div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a3e07497f8e6e2a9f97c55dc578afcd46"> 276</a></span>&#160;uint8_t* FunctionContext::Reallocate(uint8_t* ptr, <span class="keywordtype">int</span> byte_size) {</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; assert(!impl_-&gt;closed_);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; <a class="code" href="logging_8h.html#a6ccc2106c47622db4e52a401a415fc58">VLOG_ROW</a> &lt;&lt; <span class="stringliteral">&quot;Reallocate: FunctionContext=&quot;</span> &lt;&lt; <span class="keyword">this</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; &lt;&lt; <span class="stringliteral">&quot; size=&quot;</span> &lt;&lt; byte_size</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; &lt;&lt; <span class="stringliteral">&quot; ptr=&quot;</span> &lt;&lt; <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(ptr);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; uint8_t* new_ptr = impl_-&gt;pool_-&gt;Reallocate(ptr, byte_size);</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="keywordflow">if</span> (impl_-&gt;debug_) {</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; impl_-&gt;allocations_.erase(ptr);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; impl_-&gt;allocations_[new_ptr] = byte_size;</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; }</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <a class="code" href="logging_8h.html#a6ccc2106c47622db4e52a401a415fc58">VLOG_ROW</a> &lt;&lt; <span class="stringliteral">&quot;FunctionContext=&quot;</span> &lt;&lt; <span class="keyword">this</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; &lt;&lt; <span class="stringliteral">&quot; reallocated: &quot;</span> &lt;&lt; <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(new_ptr);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="keywordflow">return</span> new_ptr;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160;}</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160;</div>
<div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a14904de2d63cac14b1a1ef09b0653a14"> 291</a></span>&#160;<span class="keywordtype">void</span> FunctionContext::Free(uint8_t* buffer) {</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; assert(!impl_-&gt;closed_);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; <span class="keywordflow">if</span> (buffer == NULL) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <a class="code" href="logging_8h.html#a6ccc2106c47622db4e52a401a415fc58">VLOG_ROW</a> &lt;&lt; <span class="stringliteral">&quot;Free: FunctionContext=&quot;</span> &lt;&lt; <span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot; &quot;</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; &lt;&lt; <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(buffer);</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; <span class="keywordflow">if</span> (impl_-&gt;debug_) {</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; map&lt;uint8_t*, int&gt;::iterator it = impl_-&gt;allocations_.find(buffer);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; <span class="keywordflow">if</span> (it != impl_-&gt;allocations_.end()) {</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; <span class="comment">// fill in garbage value into the buffer to increase the chance of detecting misuse</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; memset(buffer, 0xff, it-&gt;second);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; impl_-&gt;allocations_.erase(it);</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; impl_-&gt;pool_-&gt;Free(buffer);</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; SetError(<span class="stringliteral">&quot;FunctionContext::Free() called on buffer that is already freed or was &quot;</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="stringliteral">&quot;not allocated.&quot;</span>);</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; }</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; impl_-&gt;pool_-&gt;Free(buffer);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; }</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160;}</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160;</div>
<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#aece9636fb109a4e034c311b80de6824c"> 312</a></span>&#160;<span class="keywordtype">void</span> FunctionContext::TrackAllocation(int64_t bytes) {</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; assert(!impl_-&gt;closed_);</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; impl_-&gt;external_bytes_tracked_ += bytes;</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; impl_-&gt;pool_-&gt;mem_tracker()-&gt;Consume(bytes);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160;}</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160;</div>
<div class="line"><a name="l00318"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a41a17bd6e2f3c420d747c2226a1a1de3"> 318</a></span>&#160;<span class="keywordtype">void</span> FunctionContext::Free(int64_t bytes) {</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; assert(!impl_-&gt;closed_);</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; <span class="keywordflow">if</span> (bytes &gt; impl_-&gt;external_bytes_tracked_) {</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; stringstream ss;</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;FunctionContext::Free() called with &quot;</span> &lt;&lt; bytes &lt;&lt; <span class="stringliteral">&quot; bytes, but only &quot;</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; &lt;&lt; impl_-&gt;external_bytes_tracked_ &lt;&lt; <span class="stringliteral">&quot; bytes are tracked via &quot;</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; &lt;&lt; <span class="stringliteral">&quot;FunctionContext::TrackAllocation()&quot;</span>;</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; SetError(ss.str().c_str());</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; }</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; impl_-&gt;external_bytes_tracked_ -= bytes;</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; impl_-&gt;pool_-&gt;mem_tracker()-&gt;Release(bytes);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;}</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160;</div>
<div class="line"><a name="l00332"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#aa29186643c6b873f95e361b74e54a715"> 332</a></span>&#160;<span class="keywordtype">void</span> FunctionContext::SetError(<span class="keyword">const</span> <span class="keywordtype">char</span>* error_msg) {</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; assert(!impl_-&gt;closed_);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; <span class="keywordflow">if</span> (impl_-&gt;error_msg_.empty()) {</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; impl_-&gt;error_msg_ = error_msg;</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; stringstream ss;</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;UDF ERROR: &quot;</span> &lt;&lt; error_msg;</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; <span class="keywordflow">if</span> (impl_-&gt;state_ != NULL) impl_-&gt;state_-&gt;set_query_status(ss.str());</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; }</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160;}</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160;</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160;<span class="comment">// TODO: is there a way to tell the user the expr in a reasonable way?</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160;<span class="comment">// Plumb the ToSql() from the FE?</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160;<span class="comment">// TODO: de-dup warnings</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a228cf1a119cfe039dbfb1646fa2566f7"> 345</a></span>&#160;<span class="keywordtype">bool</span> FunctionContext::AddWarning(<span class="keyword">const</span> <span class="keywordtype">char</span>* warning_msg) {</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; assert(!impl_-&gt;closed_);</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; <span class="keywordflow">if</span> (impl_-&gt;num_warnings_++ &gt;= <a class="code" href="udf_8cc.html#a00a3ef5570027776a85a5266ba5ef317">MAX_WARNINGS</a>) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; stringstream ss;</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;UDF WARNING: &quot;</span> &lt;&lt; warning_msg;</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; <span class="keywordflow">if</span> (impl_-&gt;state_ != NULL) {</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160;<span class="preprocessor">#ifndef IMPALA_UDF_SDK_BUILD</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160;<span class="preprocessor"></span> <span class="comment">// If this is called while the query is being closed, the runtime state log will have</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; <span class="comment">// already been displayed to the user. Also log the warning so there&#39;s some chance</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; <span class="comment">// the user will actually see it.</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; <span class="comment">// TODO: somehow print the full error log in the shell? This is a problem for any</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; <span class="comment">// function using LogError() during close.</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; LOG(WARNING) &lt;&lt; ss.str();</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; <span class="keywordflow">return</span> impl_-&gt;state_-&gt;LogError(<a class="code" href="classimpala_1_1ErrorMsg.html">ErrorMsg</a>(TErrorCode::GENERAL, ss.str()));</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160;<span class="preprocessor"></span> <span class="comment">// In case of the SDK build, we simply, forward this call to a dummy method</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="keywordflow">return</span> impl_-&gt;state_-&gt;LogError(ss.str());</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; cerr &lt;&lt; ss.str() &lt;&lt; endl;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; }</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160;}</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160;</div>
<div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#aba396e394b1f685d4453f6afb37959dc"> 370</a></span>&#160;<span class="keywordtype">void</span> FunctionContext::SetFunctionState(<a class="code" href="classimpala__udf_1_1FunctionContext.html#a1e9662a1bbb78daa9923b47412347ffc">FunctionStateScope</a> scope, <span class="keywordtype">void</span>* ptr) {</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; assert(!impl_-&gt;closed_);</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; <span class="keywordflow">switch</span> (scope) {</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; <span class="keywordflow">case</span> THREAD_LOCAL:</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; impl_-&gt;thread_local_fn_state_ = ptr;</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; <span class="keywordflow">case</span> FRAGMENT_LOCAL:</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; impl_-&gt;fragment_local_fn_state_ = ptr;</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; stringstream ss;</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;Unknown FunctionStateScope: &quot;</span> &lt;&lt; scope;</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; SetError(ss.str().c_str());</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; }</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160;}</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160;</div>
<div class="line"><a name="l00386"></a><span class="lineno"><a class="line" href="classimpala_1_1FunctionContextImpl.html#abf364c90074a4deb42d87f79b3c5febd"> 386</a></span>&#160;uint8_t* <a class="code" href="classimpala_1_1FunctionContextImpl.html#abf364c90074a4deb42d87f79b3c5febd">FunctionContextImpl::AllocateLocal</a>(<span class="keywordtype">int</span> byte_size) {</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; assert(!<a class="code" href="classimpala_1_1FunctionContextImpl.html#aae505ee65d05efa26267bbbda559d3d5">closed_</a>);</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; <span class="keywordflow">if</span> (byte_size == 0) <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; uint8_t* buffer = <a class="code" href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">pool_</a>-&gt;<a class="code" href="classimpala_1_1FreePool.html#a4554b5e705a4140caa4532157abff922">Allocate</a>(byte_size);</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a047264d7a623540e9ee8c01949726bbd">local_allocations_</a>.push_back(buffer);</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; <a class="code" href="logging_8h.html#a6ccc2106c47622db4e52a401a415fc58">VLOG_ROW</a> &lt;&lt; <span class="stringliteral">&quot;Allocate Local: FunctionContext=&quot;</span> &lt;&lt; this-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#ac95439abaef159f60e44a0d11392b74e">context_</a></div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; &lt;&lt; <span class="stringliteral">&quot; size=&quot;</span> &lt;&lt; byte_size</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; &lt;&lt; <span class="stringliteral">&quot; result=&quot;</span> &lt;&lt; <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(buffer);</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; <span class="keywordflow">return</span> buffer;</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160;}</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160;</div>
<div class="line"><a name="l00397"></a><span class="lineno"><a class="line" href="classimpala_1_1FunctionContextImpl.html#a80525ee3964bb96a68897ffa71be88ad"> 397</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classimpala_1_1FunctionContextImpl.html#a80525ee3964bb96a68897ffa71be88ad">FunctionContextImpl::FreeLocalAllocations</a>() {</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; assert(!<a class="code" href="classimpala_1_1FunctionContextImpl.html#aae505ee65d05efa26267bbbda559d3d5">closed_</a>);</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="logging_8h.html#aecf47c4590c5a2d054d9a47e1be3db20">VLOG_ROW_IS_ON</a>) {</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; stringstream ss;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;Free local allocations: FunctionContext=&quot;</span> &lt;&lt; <a class="code" href="classimpala_1_1FunctionContextImpl.html#ac95439abaef159f60e44a0d11392b74e">context_</a></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; &lt;&lt; <span class="stringliteral">&quot; pool=&quot;</span> &lt;&lt; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">pool_</a> &lt;&lt; endl;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a047264d7a623540e9ee8c01949726bbd">local_allocations_</a>.size(); ++i) {</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(<a class="code" href="classimpala_1_1FunctionContextImpl.html#a047264d7a623540e9ee8c01949726bbd">local_allocations_</a>[i]) &lt;&lt; endl;</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; }</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; <a class="code" href="logging_8h.html#a6ccc2106c47622db4e52a401a415fc58">VLOG_ROW</a> &lt;&lt; ss.str();</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; }</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a047264d7a623540e9ee8c01949726bbd">local_allocations_</a>.size(); ++i) {</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">pool_</a>-&gt;<a class="code" href="classimpala_1_1FreePool.html#ad7e708305e49d2d9c7ab005417f393b6">Free</a>(<a class="code" href="classimpala_1_1FunctionContextImpl.html#a047264d7a623540e9ee8c01949726bbd">local_allocations_</a>[i]);</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; }</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#a047264d7a623540e9ee8c01949726bbd">local_allocations_</a>.clear();</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160;}</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160;</div>
<div class="line"><a name="l00414"></a><span class="lineno"><a class="line" href="classimpala_1_1FunctionContextImpl.html#ae8d5bd84cd5283940567b3b09db36246"> 414</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classimpala_1_1FunctionContextImpl.html#ae8d5bd84cd5283940567b3b09db36246">FunctionContextImpl::SetConstantArgs</a>(<span class="keyword">const</span> vector&lt;AnyVal*&gt;&amp; constant_args) {</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; <a class="code" href="classimpala_1_1FunctionContextImpl.html#ac8f5e578e44c003200f5c561767dcbd0">constant_args_</a> = constant_args;</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160;}</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160;</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160;<span class="comment">// Note: this function crashes LLVM&#39;s JIT in expr-test if it&#39;s xcompiled. Do not move to</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160;<span class="comment">// expr-ir.cc. This could probably use further investigation.</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"><a class="line" href="structimpala__udf_1_1StringVal.html#a6433a13cce59aced6f09c1d13ebf9869"> 420</a></span>&#160;StringVal::StringVal(<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* context, <span class="keywordtype">int</span> len)</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; : len(len), ptr(context-&gt;impl()-&gt;AllocateLocal(len)) {</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160;}</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160;</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160;<span class="comment">// TODO: why doesn&#39;t libudasample.so build if this in udf-ir.cc?</span></div>
<div class="line"><a name="l00425"></a><span class="lineno"><a class="line" href="classimpala__udf_1_1FunctionContext.html#a982cd2abfd09cd038eb51fbc3d89366c"> 425</a></span>&#160;<span class="keyword">const</span> <a class="code" href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html">FunctionContext::TypeDesc</a>* <a class="code" href="classimpala__udf_1_1FunctionContext.html#a982cd2abfd09cd038eb51fbc3d89366c">FunctionContext::GetArgType</a>(<span class="keywordtype">int</span> arg_idx)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; <span class="keywordflow">if</span> (arg_idx &lt; 0 || arg_idx &gt;= <a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2bfaf87a01ecf1842a8c7edc18ef701b">arg_types_</a>.size()) <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="keywordflow">return</span> &amp;<a class="code" href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impl_</a>-&gt;<a class="code" href="classimpala_1_1FunctionContextImpl.html#a2bfaf87a01ecf1842a8c7edc18ef701b">arg_types_</a>[arg_idx];</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160;}</div>
<div class="ttc" id="structimpala__udf_1_1FunctionContext_1_1TypeDesc_html_a4e972765ff3d2151c14349c0e1fb458f"><div class="ttname"><a href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html#a4e972765ff3d2151c14349c0e1fb458f">impala_udf::FunctionContext::TypeDesc::precision</a></div><div class="ttdeci">int precision</div><div class="ttdoc">Only valid if type == TYPE_DECIMAL. </div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00075">udf.h:75</a></div></div>
<div class="ttc" id="structimpala__udf_1_1FunctionContext_1_1UniqueId_html_a35c23bc339c0f67378359ecaae3d61f7"><div class="ttname"><a href="structimpala__udf_1_1FunctionContext_1_1UniqueId.html#a35c23bc339c0f67378359ecaae3d61f7">impala_udf::FunctionContext::UniqueId::hi</a></div><div class="ttdeci">int64_t hi</div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00083">udf.h:83</a></div></div>
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<div class="ttc" id="udf_8h_html"><div class="ttname"><a href="udf_8h.html">udf.h</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_a2822076ea8a0b77bc9c95582284ca75e"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#a2822076ea8a0b77bc9c95582284ca75e">impala::FunctionContextImpl::external_bytes_tracked_</a></div><div class="ttdeci">int64_t external_bytes_tracked_</div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00147">udf-internal.h:147</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871a8192c4dfd7f7684df6d1c0442e1cd8c4"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a8192c4dfd7f7684df6d1c0442e1cd8c4">impala::INVALID_TYPE</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00028">types.h:28</a></div></div>
<div class="ttc" id="classimpala_1_1FreePool_html_a706bfbd8f0158a85300a7c0f13e765fa"><div class="ttname"><a href="classimpala_1_1FreePool.html#a706bfbd8f0158a85300a7c0f13e765fa">impala::FreePool::mem_tracker</a></div><div class="ttdeci">MemTracker * mem_tracker()</div><div class="ttdef"><b>Definition:</b> <a href="free-pool_8h_source.html#l00127">free-pool.h:127</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_ac95439abaef159f60e44a0d11392b74e"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#ac95439abaef159f60e44a0d11392b74e">impala::FunctionContextImpl::context_</a></div><div class="ttdeci">impala_udf::FunctionContext * context_</div><div class="ttdoc">Parent context object. Not owned. </div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00109">udf-internal.h:109</a></div></div>
<div class="ttc" id="classimpala_1_1FreePool_html_aab2446fc4d9f9490631ba741de0f08a5"><div class="ttname"><a href="classimpala_1_1FreePool.html#aab2446fc4d9f9490631ba741de0f08a5">impala::FreePool::Reallocate</a></div><div class="ttdeci">uint8_t * Reallocate(uint8_t *ptr, int size)</div><div class="ttdef"><b>Definition:</b> <a href="free-pool_8h_source.html#l00102">free-pool.h:102</a></div></div>
<div class="ttc" id="udf_8cc_html_a00a3ef5570027776a85a5266ba5ef317"><div class="ttname"><a href="udf_8cc.html#a00a3ef5570027776a85a5266ba5ef317">MAX_WARNINGS</a></div><div class="ttdeci">static const int MAX_WARNINGS</div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00111">udf.cc:111</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_a2ac3e158707d7c562d7da87c2b23571d"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#a2ac3e158707d7c562d7da87c2b23571d">impala::FunctionContextImpl::pool_</a></div><div class="ttdeci">FreePool * pool_</div><div class="ttdoc">Pool to service allocations from. </div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00112">udf-internal.h:112</a></div></div>
<div class="ttc" id="classimpala_1_1RuntimeState_html_a233883754ac3c0296005daee68143bcd"><div class="ttname"><a href="classimpala_1_1RuntimeState.html#a233883754ac3c0296005daee68143bcd">impala::RuntimeState::set_query_status</a></div><div class="ttdeci">void set_query_status(const std::string &amp;err_msg)</div><div class="ttdoc">Sets query_status_ with err_msg if no error has been set yet. </div><div class="ttdef"><b>Definition:</b> <a href="runtime-state_8h_source.html#l00250">runtime-state.h:250</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_aa7669f138ecf3c4caa55765d7c17bfdf"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#aa7669f138ecf3c4caa55765d7c17bfdf">impala::FunctionContextImpl::varargs_buffer_size_</a></div><div class="ttdeci">int varargs_buffer_size_</div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00106">udf-internal.h:106</a></div></div>
<div class="ttc" id="classimpala_1_1FreePool_html"><div class="ttname"><a href="classimpala_1_1FreePool.html">impala::FreePool</a></div><div class="ttdef"><b>Definition:</b> <a href="free-pool_8h_source.html#l00043">free-pool.h:43</a></div></div>
<div class="ttc" id="classimpala_1_1FreePool_html_a4554b5e705a4140caa4532157abff922"><div class="ttname"><a href="classimpala_1_1FreePool.html#a4554b5e705a4140caa4532157abff922">impala::FreePool::Allocate</a></div><div class="ttdeci">uint8_t * Allocate(int size)</div><div class="ttdoc">Allocates a buffer of size. </div><div class="ttdef"><b>Definition:</b> <a href="free-pool_8h_source.html#l00054">free-pool.h:54</a></div></div>
<div class="ttc" id="classimpala__udf_1_1FunctionContext_html"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00047">udf.h:47</a></div></div>
<div class="ttc" id="classimpala__udf_1_1FunctionContext_html_a228cf1a119cfe039dbfb1646fa2566f7"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html#a228cf1a119cfe039dbfb1646fa2566f7">impala_udf::FunctionContext::AddWarning</a></div><div class="ttdeci">bool AddWarning(const char *warning_msg)</div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00345">udf.cc:345</a></div></div>
<div class="ttc" id="structimpala__udf_1_1FunctionContext_1_1TypeDesc_html_a881ee51ecdb40ac7469151128a9193d7"><div class="ttname"><a href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html#a881ee51ecdb40ac7469151128a9193d7">impala_udf::FunctionContext::TypeDesc::type</a></div><div class="ttdeci">Type type</div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00072">udf.h:72</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_a5d861b5524f7f36e5db1090ec259ed84"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#a5d861b5524f7f36e5db1090ec259ed84">impala::FunctionContextImpl::allocations_</a></div><div class="ttdeci">std::map&lt; uint8_t *, int &gt; allocations_</div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00135">udf-internal.h:135</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="structimpala__udf_1_1FunctionContext_1_1TypeDesc_html"><div class="ttname"><a href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html">impala_udf::FunctionContext::TypeDesc</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00071">udf.h:71</a></div></div>
<div class="ttc" id="classimpala_1_1RuntimeState_html_aaf076b1879d9e712b08ba3a6e24607b9"><div class="ttname"><a href="classimpala_1_1RuntimeState.html#aaf076b1879d9e712b08ba3a6e24607b9">impala::RuntimeState::LogError</a></div><div class="ttdeci">bool LogError(const ErrorMsg &amp;msg)</div><div class="ttdef"><b>Definition:</b> <a href="runtime-state_8cc_source.html#l00224">runtime-state.cc:224</a></div></div>
<div class="ttc" id="classimpala_1_1FreePool_html_ad7e708305e49d2d9c7ab005417f393b6"><div class="ttname"><a href="classimpala_1_1FreePool.html#ad7e708305e49d2d9c7ab005417f393b6">impala::FreePool::Free</a></div><div class="ttdeci">void Free(uint8_t *ptr)</div><div class="ttdef"><b>Definition:</b> <a href="free-pool_8h_source.html#l00082">free-pool.h:82</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_a047264d7a623540e9ee8c01949726bbd"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#a047264d7a623540e9ee8c01949726bbd">impala::FunctionContextImpl::local_allocations_</a></div><div class="ttdeci">std::vector&lt; uint8_t * &gt; local_allocations_</div><div class="ttdoc">Allocations owned by Impala. </div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00137">udf-internal.h:137</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_1FunctionContextImpl_html_a77818e1135241aacf279bcfcd227afe4"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#a77818e1135241aacf279bcfcd227afe4">impala::FunctionContextImpl::return_type_</a></div><div class="ttdeci">impala_udf::FunctionContext::TypeDesc return_type_</div><div class="ttdoc">Type descriptor for the return type of the function. </div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00153">udf-internal.h:153</a></div></div>
<div class="ttc" id="classimpala__udf_1_1FunctionContext_html_a982cd2abfd09cd038eb51fbc3d89366c"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html#a982cd2abfd09cd038eb51fbc3d89366c">impala_udf::FunctionContext::GetArgType</a></div><div class="ttdeci">const TypeDesc * GetArgType(int arg_idx) const </div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00425">udf.cc:425</a></div></div>
<div class="ttc" id="classimpala_1_1RuntimeState_html_ab95ee5ebc56ae95a6a6e8051140a55c1"><div class="ttname"><a href="classimpala_1_1RuntimeState.html#ab95ee5ebc56ae95a6a6e8051140a55c1">impala::RuntimeState::connected_user</a></div><div class="ttdeci">const std::string &amp; connected_user() const </div><div class="ttdef"><b>Definition:</b> <a href="runtime-state_8h_source.html#l00116">runtime-state.h:116</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_aae505ee65d05efa26267bbbda559d3d5"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#aae505ee65d05efa26267bbbda559d3d5">impala::FunctionContextImpl::closed_</a></div><div class="ttdeci">bool closed_</div><div class="ttdoc">Indicates whether this context has been closed. Used for verification/debugging. </div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00170">udf-internal.h:170</a></div></div>
<div class="ttc" id="structimpala__udf_1_1FunctionContext_1_1TypeDesc_html_ae2505d4fdfd1db9353e3a1439f0b0452"><div class="ttname"><a href="structimpala__udf_1_1FunctionContext_1_1TypeDesc.html#ae2505d4fdfd1db9353e3a1439f0b0452">impala_udf::FunctionContext::TypeDesc::scale</a></div><div class="ttdeci">int scale</div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00076">udf.h:76</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_a8347ddf32791aeaa47ab3f1c4738d2b1"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#a8347ddf32791aeaa47ab3f1c4738d2b1">impala::FunctionContextImpl::LLVM_FUNCTIONCONTEXT_NAME</a></div><div class="ttdeci">static const char * LLVM_FUNCTIONCONTEXT_NAME</div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00093">udf-internal.h:93</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_ac8f5e578e44c003200f5c561767dcbd0"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#ac8f5e578e44c003200f5c561767dcbd0">impala::FunctionContextImpl::constant_args_</a></div><div class="ttdeci">std::vector&lt; impala_udf::AnyVal * &gt; constant_args_</div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00161">udf-internal.h:161</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__udf_1_1FunctionContext_html_a3c69e8ce595c0d4ce2fd855f8341ca21"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html#a3c69e8ce595c0d4ce2fd855f8341ca21">impala_udf::FunctionContext::ImpalaVersion</a></div><div class="ttdeci">ImpalaVersion</div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00049">udf.h:49</a></div></div>
<div class="ttc" id="classimpala__udf_1_1FunctionContext_html_a14904de2d63cac14b1a1ef09b0653a14"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html#a14904de2d63cac14b1a1ef09b0653a14">impala_udf::FunctionContext::Free</a></div><div class="ttdeci">void Free(uint8_t *buffer)</div><div class="ttdoc">Frees a buffer returned from Allocate() or Reallocate() </div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00291">udf.cc:291</a></div></div>
<div class="ttc" id="classimpala_1_1FreePool_html_ac76a939537bad87cb8077d53547d4dc6"><div class="ttname"><a href="classimpala_1_1FreePool.html#ac76a939537bad87cb8077d53547d4dc6">impala::FreePool::FreePool</a></div><div class="ttdeci">FreePool(MemPool *mem_pool)</div><div class="ttdef"><b>Definition:</b> <a href="free-pool_8h_source.html#l00047">free-pool.h:47</a></div></div>
<div class="ttc" id="logging_8h_html_a6ccc2106c47622db4e52a401a415fc58"><div class="ttname"><a href="logging_8h.html#a6ccc2106c47622db4e52a401a415fc58">VLOG_ROW</a></div><div class="ttdeci">#define VLOG_ROW</div><div class="ttdef"><b>Definition:</b> <a href="logging_8h_source.html#l00059">logging.h:59</a></div></div>
<div class="ttc" id="classimpala_1_1MemTracker_html"><div class="ttname"><a href="classimpala_1_1MemTracker.html">impala::MemTracker</a></div><div class="ttdoc">This class is thread-safe. </div><div class="ttdef"><b>Definition:</b> <a href="mem-tracker_8h_source.html#l00061">mem-tracker.h:61</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_ae4052d255659563eb774b7aa85330909"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#ae4052d255659563eb774b7aa85330909">impala::FunctionContextImpl::debug_</a></div><div class="ttdeci">bool debug_</div><div class="ttdoc">If true, indicates this is a debug context which will do additional validation. </div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00119">udf-internal.h:119</a></div></div>
<div class="ttc" id="classimpala_1_1MemTracker_html_a06c4e0963fc1b49a5437eccee965476a"><div class="ttname"><a href="classimpala_1_1MemTracker.html#a06c4e0963fc1b49a5437eccee965476a">impala::MemTracker::Release</a></div><div class="ttdeci">void Release(int64_t bytes)</div><div class="ttdoc">Decreases consumption of this tracker and its ancestors by &#39;bytes&#39;. </div><div class="ttdef"><b>Definition:</b> <a href="mem-tracker_8h_source.html#l00209">mem-tracker.h:209</a></div></div>
<div class="ttc" id="classimpala__udf_1_1FunctionContext_html_ab34d7495d3151d3ff82d5acb66952f91"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html#ab34d7495d3151d3ff82d5acb66952f91">impala_udf::FunctionContext::impl_</a></div><div class="ttdeci">impala::FunctionContextImpl * impl_</div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00214">udf.h:214</a></div></div>
<div class="ttc" id="runtime-state_8h_html"><div class="ttname"><a href="runtime-state_8h.html">runtime-state.h</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_abb5d185f29616cea758c4ff41bc3a1f9"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#abb5d185f29616cea758c4ff41bc3a1f9">impala::FunctionContextImpl::state_</a></div><div class="ttdeci">RuntimeState * state_</div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00116">udf-internal.h:116</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_a61405b8ed8f457d3d24a70ce458cfdd8"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#a61405b8ed8f457d3d24a70ce458cfdd8">impala::FunctionContextImpl::Close</a></div><div class="ttdeci">void Close()</div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00182">udf.cc:182</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html">impala::FunctionContextImpl</a></div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00038">udf-internal.h:38</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_ac7f60a4e3b98d79b56f1ea3d1b7a8218"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#ac7f60a4e3b98d79b56f1ea3d1b7a8218">impala::FunctionContextImpl::Clone</a></div><div class="ttdeci">impala_udf::FunctionContext * Clone(MemPool *pool)</div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00147">udf.cc:147</a></div></div>
<div class="ttc" id="classimpala_1_1ErrorMsg_html"><div class="ttname"><a href="classimpala_1_1ErrorMsg.html">impala::ErrorMsg</a></div><div class="ttdef"><b>Definition:</b> <a href="error-util_8h_source.html#l00047">error-util.h:47</a></div></div>
<div class="ttc" id="structimpala__udf_1_1FunctionContext_1_1UniqueId_html"><div class="ttname"><a href="structimpala__udf_1_1FunctionContext_1_1UniqueId.html">impala_udf::FunctionContext::UniqueId</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00082">udf.h:82</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_ab96bee28cd0d6c56ae8953a8eaa1d440"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#ab96bee28cd0d6c56ae8953a8eaa1d440">impala::FunctionContextImpl::CreateContext</a></div><div class="ttdeci">static impala_udf::FunctionContext * CreateContext(RuntimeState *state, MemPool *pool, const impala_udf::FunctionContext::TypeDesc &amp;return_type, const std::vector&lt; impala_udf::FunctionContext::TypeDesc &gt; &amp;arg_types, int varargs_buffer_size=0, bool debug=false)</div><div class="ttdoc">Create a FunctionContext for a UDF. Caller is responsible for deleting it. </div></div>
<div class="ttc" id="free-pool_8h_html"><div class="ttname"><a href="free-pool_8h.html">free-pool.h</a></div></div>
<div class="ttc" id="classimpala_1_1MemTracker_html_a039829918860a92eb8216d2bed208117"><div class="ttname"><a href="classimpala_1_1MemTracker.html#a039829918860a92eb8216d2bed208117">impala::MemTracker::Consume</a></div><div class="ttdeci">void Consume(int64_t bytes)</div><div class="ttdoc">Increases consumption of this tracker and its ancestors by &#39;bytes&#39;. </div><div class="ttdef"><b>Definition:</b> <a href="mem-tracker_8h_source.html#l00118">mem-tracker.h:118</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_ad2b85c70e93d175a4e796e62e5307974"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#ad2b85c70e93d175a4e796e62e5307974">impala::FunctionContextImpl::fragment_local_fn_state_</a></div><div class="ttdeci">void * fragment_local_fn_state_</div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00141">udf-internal.h:141</a></div></div>
<div class="ttc" id="names_8h_html"><div class="ttname"><a href="names_8h.html">names.h</a></div></div>
<div class="ttc" id="logging_8h_html_aecf47c4590c5a2d054d9a47e1be3db20"><div class="ttname"><a href="logging_8h.html#aecf47c4590c5a2d054d9a47e1be3db20">VLOG_ROW_IS_ON</a></div><div class="ttdeci">#define VLOG_ROW_IS_ON</div><div class="ttdef"><b>Definition:</b> <a href="logging_8h_source.html#l00066">logging.h:66</a></div></div>
<div class="ttc" id="classimpala_1_1RuntimeState_html_ad449a8708ed26241be77b023c95ac7f0"><div class="ttname"><a href="classimpala_1_1RuntimeState.html#ad449a8708ed26241be77b023c95ac7f0">impala::RuntimeState::abort_on_error</a></div><div class="ttdeci">bool abort_on_error() const </div><div class="ttdef"><b>Definition:</b> <a href="runtime-state_8h_source.html#l00099">runtime-state.h:99</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_abf364c90074a4deb42d87f79b3c5febd"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#abf364c90074a4deb42d87f79b3c5febd">impala::FunctionContextImpl::AllocateLocal</a></div><div class="ttdeci">uint8_t * AllocateLocal(int byte_size)</div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00386">udf.cc:386</a></div></div>
<div class="ttc" id="classimpala__udf_1_1FunctionContext_html_aa29186643c6b873f95e361b74e54a715"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html#aa29186643c6b873f95e361b74e54a715">impala_udf::FunctionContext::SetError</a></div><div class="ttdeci">void SetError(const char *error_msg)</div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00332">udf.cc:332</a></div></div>
<div class="ttc" id="classimpala_1_1FreePool_html_a63e4fa68a2b6469b3df0df111143e03b"><div class="ttname"><a href="classimpala_1_1FreePool.html#a63e4fa68a2b6469b3df0df111143e03b">impala::FreePool::net_allocations</a></div><div class="ttdeci">int64_t net_allocations() const </div><div class="ttdef"><b>Definition:</b> <a href="free-pool_8h_source.html#l00128">free-pool.h:128</a></div></div>
<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_a80525ee3964bb96a68897ffa71be88ad"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#a80525ee3964bb96a68897ffa71be88ad">impala::FunctionContextImpl::FreeLocalAllocations</a></div><div class="ttdeci">void FreeLocalAllocations()</div><div class="ttdoc">Frees all allocations returned by AllocateLocal(). </div><div class="ttdef"><b>Definition:</b> <a href="udf_8cc_source.html#l00397">udf.cc:397</a></div></div>
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<div class="ttc" id="classimpala_1_1FunctionContextImpl_html_ac3e6545cc5d5ed900fee1e598e41189c"><div class="ttname"><a href="classimpala_1_1FunctionContextImpl.html#ac3e6545cc5d5ed900fee1e598e41189c">impala::FunctionContextImpl::varargs_buffer_</a></div><div class="ttdeci">uint8_t * varargs_buffer_</div><div class="ttdef"><b>Definition:</b> <a href="udf-internal_8h_source.html#l00105">udf-internal.h:105</a></div></div>
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