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<div class="title">symbols-util.cc</div> </div>
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<a href="symbols-util_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="symbols-util_8h.html">util/symbols-util.h</a>&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;cxxabi.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;boost/algorithm/string.hpp&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &lt;boost/algorithm/string/regex.hpp&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</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="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">using</span> boost::algorithm::split_regex;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">using</span> boost::regex;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">using namespace </span>impala;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment">// For the rules about gcc-compatible name mangling, see:</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// http://mentorembedded.github.io/cxx-abi/abi.html#mangling</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">// This implementation *is* not generally compatible. It is harded coded to</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="comment">// only work with functions that implement the UDF or UDA signature. That is,</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment">// functions of the form:</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// namespace::Function(impala_udf::FunctionContext*, const impala_udf::AnyVal&amp;, etc)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">// The general idea is to walk the types left to right and output them. This happens</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// in a single pass. User literals are output as &lt;len&gt;&lt;literal&gt;. There are many reserved,</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment">// usually single character tokens for native types and specifying if something is a</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">// pointer.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment">// One additional piece of complexity is that repeated literals are compressed out.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment">// As literals are output, they are associated with an ID. The next time that</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment">// we encounter the literal, we output the ID instead.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">// We don&#39;t implement this generally since the way the literals are added to the</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="comment">// dictionary is much more general than we need.</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="comment">// e.g. for the literal ns1::ns2::class::type,</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment">// the dictionary would add 4 literals: &#39;ns1&#39;, &#39;ns1::ns2&#39;, &#39;ns1::ns2::class&#39;,</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment">// &#39;ns1::ns2::class::type&#39;</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment">// We instead take some shortcuts since we know all the argument types are</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="comment">// types we define.</span></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="comment">// Mangled symbols must start with this.</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="symbols-util_8cc.html#a53f596aaf1af0196d26b019adbdd69be"> 51</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="symbols-util_8cc.html#a53f596aaf1af0196d26b019adbdd69be">MANGLE_PREFIX</a> = <span class="stringliteral">&quot;_Z&quot;</span>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classimpala_1_1SymbolsUtil.html#a84139b9a49bf9800d785b7828c25b8e1"> 53</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1SymbolsUtil.html#a84139b9a49bf9800d785b7828c25b8e1">SymbolsUtil::IsMangled</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>&amp; symbol) {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordflow">return</span> strncmp(symbol.c_str(), <a class="code" href="symbols-util_8cc.html#a53f596aaf1af0196d26b019adbdd69be">MANGLE_PREFIX</a>, strlen(<a class="code" href="symbols-util_8cc.html#a53f596aaf1af0196d26b019adbdd69be">MANGLE_PREFIX</a>)) == 0;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;}</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classimpala_1_1SymbolsUtil.html#a4a51c09589e88e59a4e30c214c7772c3"> 57</a></span>&#160;<span class="keywordtype">string</span> <a class="code" href="classimpala_1_1SymbolsUtil.html#a4a51c09589e88e59a4e30c214c7772c3">SymbolsUtil::Demangle</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>&amp; <a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>) {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keywordtype">string</span> result;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordtype">int</span> status = 0;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordtype">char</span>* mangled_name = abi::__cxa_demangle(name.c_str(), NULL, NULL, &amp;status);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordflow">if</span> (status == 0) result = mangled_name;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">if</span> (mangled_name != NULL) free(mangled_name);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;}</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classimpala_1_1SymbolsUtil.html#ab73bb3194956269eda00003eefc259a3"> 66</a></span>&#160;<span class="keywordtype">string</span> <a class="code" href="classimpala_1_1SymbolsUtil.html#ab73bb3194956269eda00003eefc259a3">SymbolsUtil::DemangleNameOnly</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>&amp; symbol) {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordtype">string</span> <a class="code" href="namespacegen__ir__descriptions.html#a1811e47327929f57952b2d3dcdff8ab7">fn_name</a> = <a class="code" href="classimpala_1_1SymbolsUtil.html#a4a51c09589e88e59a4e30c214c7772c3">Demangle</a>(symbol);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="comment">// Chop off argument list (e.g. &quot;foo(int)&quot; =&gt; &quot;foo&quot;)</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; fn_name = fn_name.substr(0, fn_name.find(<span class="charliteral">&#39;(&#39;</span>));</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="comment">// Chop off namespace and/or class name if present (e.g. &quot;impala::foo&quot; =&gt; &quot;foo&quot;)</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; fn_name = fn_name.substr(fn_name.find_last_of(<span class="charliteral">&#39;:&#39;</span>) + 1);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespacegen__ir__descriptions.html#a1811e47327929f57952b2d3dcdff8ab7">fn_name</a>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;}</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;<span class="comment">// Appends &lt;Length&gt;&lt;String&gt; to the stream.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="comment">// e.g. Hello --&gt; &quot;5Hello&quot;</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec"> 77</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>&amp; s, stringstream* out) {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; DCHECK(!s.empty());</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; (*out) &lt;&lt; s.size() &lt;&lt; s;</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="comment">// Outputs the seq_id. This is base 36 encoded with an S prefix and _ suffix.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment">// As an added optimization, the &quot;seq_id - 1&quot; value is output with the first</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="comment">// token as just &quot;S&quot;.</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="comment">// e.g. seq_id 0: &quot;S_&quot;</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="comment">// seq_id 1: &quot;S0_&quot;</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="comment">// seq_id 2: &quot;S1_&quot;</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="symbols-util_8cc.html#ab630d3b8c978d4966f695ed6208a19c6"> 88</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="symbols-util_8cc.html#ab630d3b8c978d4966f695ed6208a19c6">AppendSeqId</a>(<span class="keywordtype">int</span> seq_id, stringstream* out) {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; DCHECK_GE(seq_id, 0);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">if</span> (seq_id == 0) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; (*out) &lt;&lt; <span class="stringliteral">&quot;S_&quot;</span>;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</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; --seq_id;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordtype">char</span> buffer[10];</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordtype">char</span>* ptr = buffer + 10;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">if</span> (seq_id == 0) *--ptr = <span class="charliteral">&#39;0&#39;</span>;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">while</span> (seq_id != 0) {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; DCHECK(ptr &gt; buffer);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordtype">char</span> c = <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span><span class="keyword">&gt;</span>(seq_id % 36);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; *--ptr = (c &lt; 10 ? <span class="charliteral">&#39;0&#39;</span> + c : <span class="charliteral">&#39;A&#39;</span> + c - 10);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; seq_id /=36;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; (*out) &lt;&lt; <span class="stringliteral">&quot;S&quot;</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; out-&gt;write(ptr, 10 - (ptr - buffer));</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; (*out) &lt;&lt; <span class="stringliteral">&quot;_&quot;</span>;</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;</div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="symbols-util_8cc.html#acf498f111cd91f982dca32c53e77f74d"> 109</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="symbols-util_8cc.html#acf498f111cd91f982dca32c53e77f74d">AppendAnyValType</a>(<span class="keywordtype">int</span> namespace_id, <span class="keyword">const</span> <a class="code" href="structimpala_1_1ColumnType.html">ColumnType</a>&amp; type, stringstream* s) {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; (*s) &lt;&lt; <span class="stringliteral">&quot;N&quot;</span>;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="comment">// All the AnyVal types are in the impala_udf namespace, that token</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="comment">// already came with impala_udf::FunctionContext</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <a class="code" href="symbols-util_8cc.html#ab630d3b8c978d4966f695ed6208a19c6">AppendSeqId</a>(namespace_id, s);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">switch</span> (type.<a class="code" href="structimpala_1_1ColumnType.html#a519bee3e0fdcf790708be4b5caebbcf4">type</a>) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a936286363e052834631db5c19be3187d">TYPE_BOOLEAN</a>:</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;BooleanVal&quot;</span>, s);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a7a19f69a9969431237f11ac0f982add1">TYPE_TINYINT</a>:</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;TinyIntVal&quot;</span>, s);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871ad19c24e4b9c67ed07a2331e704cf08ba">TYPE_SMALLINT</a>:</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;SmallIntVal&quot;</span>, s);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a8e892339c263b2aaa3712139b0a0c944">TYPE_INT</a>:</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;IntVal&quot;</span>, s);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871ac5602f92ce48738739f551df8ff3e4a7">TYPE_BIGINT</a>:</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;BigIntVal&quot;</span>, s);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871ac750a41f3696ba9ddece634df5452994">TYPE_FLOAT</a>:</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;FloatVal&quot;</span>, s);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a40a3023d094eb5a5a8c7335aa27bb810">TYPE_DOUBLE</a>:</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;DoubleVal&quot;</span>, s);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a81087da87fdc569ea9ad101e34391359">TYPE_STRING</a>:</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a12d80a0bfe690580f4974e8baca466b0">TYPE_VARCHAR</a>:</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871ae5ec6e333587a27f8b83c5bd9c815a2a">TYPE_CHAR</a>:</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;StringVal&quot;</span>, s);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871afdce7fe1e22d49d6fd07b168cb5b4f7b">TYPE_TIMESTAMP</a>:</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;TimestampVal&quot;</span>, s);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a62719f90a13430bfdc4a8455724f6fdf">TYPE_DECIMAL</a>:</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;DecimalVal&quot;</span>, s);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; DCHECK(<span class="keyword">false</span>) &lt;&lt; <span class="stringliteral">&quot;NYI: &quot;</span> &lt;&lt; type.<a class="code" href="structimpala_1_1ColumnType.html#a54e4ea32e7c34d8bd9d383b85c169e8d">DebugString</a>();</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; }</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; (*s) &lt;&lt; <span class="stringliteral">&quot;E&quot;</span>; <span class="comment">// end impala_udf namespace</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;}</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;</div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classimpala_1_1SymbolsUtil.html#ad6be90a6b4c20a0c79d6e8e9faaf9136"> 154</a></span>&#160;<span class="keywordtype">string</span> <a class="code" href="classimpala_1_1SymbolsUtil.html#ad6be90a6b4c20a0c79d6e8e9faaf9136">SymbolsUtil::MangleUserFunction</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>&amp; <a class="code" href="namespacegen__ir__descriptions.html#a1811e47327929f57952b2d3dcdff8ab7">fn_name</a>,</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keyword">const</span> vector&lt;ColumnType&gt;&amp; arg_types, <span class="keywordtype">bool</span> has_var_args,</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <a class="code" href="structimpala_1_1ColumnType.html">ColumnType</a>* ret_arg_type) {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="comment">// We need to split fn_name by :: to separate scoping from tokens</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; vector&lt;string&gt; name_tokens;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; split_regex(name_tokens, fn_name, regex(<span class="stringliteral">&quot;::&quot;</span>));</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="comment">// Mangled names use substitution as a builtin compression. The first time a token</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="comment">// is seen, we output the raw token string and store the index (&quot;seq_id&quot;). The</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="comment">// next time we see the same token, we output the index instead.</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordtype">int</span> seq_id = 0;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="comment">// Sequence id for the impala_udf namespace token</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordtype">int</span> impala_udf_seq_id = -1;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; stringstream ss;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; ss &lt;&lt; <a class="code" href="symbols-util_8cc.html#a53f596aaf1af0196d26b019adbdd69be">MANGLE_PREFIX</a>;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">if</span> (name_tokens.size() &gt; 1) {</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;N&quot;</span>; <span class="comment">// Start namespace</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; seq_id += name_tokens.size() - 1; <span class="comment">// Append for all the name space tokens.</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; }</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; name_tokens.size(); ++i) {</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(name_tokens[i], &amp;ss);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keywordflow">if</span> (name_tokens.size() &gt; 1) ss &lt;&lt; <span class="stringliteral">&quot;E&quot;</span>; <span class="comment">// End fn namespace</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;PN&quot;</span>; <span class="comment">// First argument and start of FunctionContext namespace</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;impala_udf&quot;</span>, &amp;ss);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; impala_udf_seq_id = seq_id++;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;FunctionContext&quot;</span>, &amp;ss);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; ++seq_id;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;E&quot;</span>; <span class="comment">// E indicates end of namespace</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; map&lt;PrimitiveType, int&gt; argument_map;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; arg_types.size(); ++i) {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordtype">int</span> repeated_symbol_idx = -1; <span class="comment">// Set to &gt;0, if we&#39;ve seen the symbol.</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keywordflow">if</span> (argument_map.find(arg_types[i].type) != argument_map.end()) {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; repeated_symbol_idx = argument_map[arg_types[i].type];</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; }</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordflow">if</span> (has_var_args &amp;&amp; i == arg_types.size() - 1) {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="comment">// We always specify varargs as int32 followed by the type.</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;i&quot;</span>; <span class="comment">// The argument for the number of varargs.</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;P&quot;</span>; <span class="comment">// This indicates what follows is a ptr (that is the array of varargs)</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; ++seq_id; <span class="comment">// For &quot;P&quot;</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordflow">if</span> (repeated_symbol_idx &gt; 0) {</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <a class="code" href="symbols-util_8cc.html#ab630d3b8c978d4966f695ed6208a19c6">AppendSeqId</a>(repeated_symbol_idx - 1, &amp;ss);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; }</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keywordflow">if</span> (repeated_symbol_idx &gt; 0) {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <a class="code" href="symbols-util_8cc.html#ab630d3b8c978d4966f695ed6208a19c6">AppendSeqId</a>(repeated_symbol_idx, &amp;ss);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordflow">continue</span>;</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; ss &lt;&lt; <span class="stringliteral">&quot;R&quot;</span>; <span class="comment">// This indicates it is a reference type</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; ++seq_id; <span class="comment">// For R.</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; }</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;K&quot;</span>; <span class="comment">// This indicates it is const</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; seq_id += 2; <span class="comment">// For impala_udf::*Val, which is two tokens.</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <a class="code" href="symbols-util_8cc.html#acf498f111cd91f982dca32c53e77f74d">AppendAnyValType</a>(impala_udf_seq_id, arg_types[i], &amp;ss);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; argument_map[arg_types[i].type] = seq_id;</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="comment">// Output return argument.</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keywordflow">if</span> (ret_arg_type != NULL) {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordtype">int</span> repeated_symbol_idx = -1;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordflow">if</span> (argument_map.find(ret_arg_type-&gt;<a class="code" href="structimpala_1_1ColumnType.html#a519bee3e0fdcf790708be4b5caebbcf4">type</a>) != argument_map.end()) {</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; repeated_symbol_idx = argument_map[ret_arg_type-&gt;<a class="code" href="structimpala_1_1ColumnType.html#a519bee3e0fdcf790708be4b5caebbcf4">type</a>];</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; }</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;P&quot;</span>; <span class="comment">// Return argument is a pointer</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordflow">if</span> (repeated_symbol_idx != -1) {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="comment">// This is always last and a pointer type.</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <a class="code" href="symbols-util_8cc.html#ab630d3b8c978d4966f695ed6208a19c6">AppendSeqId</a>(argument_map[ret_arg_type-&gt;<a class="code" href="structimpala_1_1ColumnType.html#a519bee3e0fdcf790708be4b5caebbcf4">type</a>] - 2, &amp;ss);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <a class="code" href="symbols-util_8cc.html#acf498f111cd91f982dca32c53e77f74d">AppendAnyValType</a>(impala_udf_seq_id, *ret_arg_type, &amp;ss);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; }</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"> 233</span>&#160; <span class="keywordflow">return</span> ss.str();</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;}</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"><a class="line" href="classimpala_1_1SymbolsUtil.html#a5859d2711308fe340d9f7583008e9603"> 236</a></span>&#160;<span class="keywordtype">string</span> <a class="code" href="classimpala_1_1SymbolsUtil.html#a5859d2711308fe340d9f7583008e9603">SymbolsUtil::ManglePrepareOrCloseFunction</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>&amp; <a class="code" href="namespacegen__ir__descriptions.html#a1811e47327929f57952b2d3dcdff8ab7">fn_name</a>) {</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="comment">// We need to split fn_name by :: to separate scoping from tokens</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; vector&lt;string&gt; name_tokens;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; split_regex(name_tokens, fn_name, regex(<span class="stringliteral">&quot;::&quot;</span>));</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; <span class="comment">// Mangled names use substitution as a builtin compression. The first time a token</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="comment">// is seen, we output the raw token string and store the index (&quot;seq_id&quot;). The</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="comment">// next time we see the same token, we output the index instead.</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <span class="keywordtype">int</span> seq_id = 0;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; stringstream ss;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; ss &lt;&lt; <a class="code" href="symbols-util_8cc.html#a53f596aaf1af0196d26b019adbdd69be">MANGLE_PREFIX</a>;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <span class="keywordflow">if</span> (name_tokens.size() &gt; 1) {</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;N&quot;</span>; <span class="comment">// Start namespace</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; seq_id += name_tokens.size() - 1; <span class="comment">// Append for all the name space tokens.</span></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; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; name_tokens.size(); ++i) {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(name_tokens[i], &amp;ss);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; <span class="keywordflow">if</span> (name_tokens.size() &gt; 1) ss &lt;&lt; <span class="stringliteral">&quot;E&quot;</span>; <span class="comment">// End fn namespace</span></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"> 257</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;PN&quot;</span>; <span class="comment">// FunctionContext* argument and start of FunctionContext namespace</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;impala_udf&quot;</span>, &amp;ss);</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;FunctionContext&quot;</span>, &amp;ss);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;E&quot;</span>; <span class="comment">// E indicates end of namespace</span></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"> 262</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;NS&quot;</span>; <span class="comment">// FunctionStateScope argument</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; ss &lt;&lt; seq_id;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;_&quot;</span>;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <a class="code" href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a>(<span class="stringliteral">&quot;FunctionStateScope&quot;</span>, &amp;ss);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; ss &lt;&lt; <span class="stringliteral">&quot;E&quot;</span>; <span class="comment">// E indicates end of namespace</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="keywordflow">return</span> ss.str();</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160;}</div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871a40a3023d094eb5a5a8c7335aa27bb810"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a40a3023d094eb5a5a8c7335aa27bb810">impala::TYPE_DOUBLE</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00036">types.h:36</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871ae5ec6e333587a27f8b83c5bd9c815a2a"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871ae5ec6e333587a27f8b83c5bd9c815a2a">impala::TYPE_CHAR</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00047">types.h:47</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871a12d80a0bfe690580f4974e8baca466b0"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a12d80a0bfe690580f4974e8baca466b0">impala::TYPE_VARCHAR</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00048">types.h:48</a></div></div>
<div class="ttc" id="symbols-util_8cc_html_a1ae032d745839a16e5328862a14387ec"><div class="ttname"><a href="symbols-util_8cc.html#a1ae032d745839a16e5328862a14387ec">AppendMangledToken</a></div><div class="ttdeci">static void AppendMangledToken(const string &amp;s, stringstream *out)</div><div class="ttdef"><b>Definition:</b> <a href="symbols-util_8cc_source.html#l00077">symbols-util.cc:77</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871afdce7fe1e22d49d6fd07b168cb5b4f7b"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871afdce7fe1e22d49d6fd07b168cb5b4f7b">impala::TYPE_TIMESTAMP</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00037">types.h:37</a></div></div>
<div class="ttc" id="classimpala_1_1SymbolsUtil_html_a5859d2711308fe340d9f7583008e9603"><div class="ttname"><a href="classimpala_1_1SymbolsUtil.html#a5859d2711308fe340d9f7583008e9603">impala::SymbolsUtil::ManglePrepareOrCloseFunction</a></div><div class="ttdeci">static std::string ManglePrepareOrCloseFunction(const std::string &amp;fn_name)</div><div class="ttdef"><b>Definition:</b> <a href="symbols-util_8cc_source.html#l00236">symbols-util.cc:236</a></div></div>
<div class="ttc" id="structimpala_1_1ColumnType_html_a54e4ea32e7c34d8bd9d383b85c169e8d"><div class="ttname"><a href="structimpala_1_1ColumnType.html#a54e4ea32e7c34d8bd9d383b85c169e8d">impala::ColumnType::DebugString</a></div><div class="ttdeci">std::string DebugString() const </div><div class="ttdef"><b>Definition:</b> <a href="types_8cc_source.html#l00194">types.cc:194</a></div></div>
<div class="ttc" id="classimpala_1_1SymbolsUtil_html_a84139b9a49bf9800d785b7828c25b8e1"><div class="ttname"><a href="classimpala_1_1SymbolsUtil.html#a84139b9a49bf9800d785b7828c25b8e1">impala::SymbolsUtil::IsMangled</a></div><div class="ttdeci">static bool IsMangled(const std::string &amp;symbol)</div><div class="ttdoc">Returns true if this symbol is mangled. </div><div class="ttdef"><b>Definition:</b> <a href="symbols-util_8cc_source.html#l00053">symbols-util.cc:53</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871a8e892339c263b2aaa3712139b0a0c944"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a8e892339c263b2aaa3712139b0a0c944">impala::TYPE_INT</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00033">types.h:33</a></div></div>
<div class="ttc" id="structimpala_1_1ColumnType_html_a519bee3e0fdcf790708be4b5caebbcf4"><div class="ttname"><a href="structimpala_1_1ColumnType.html#a519bee3e0fdcf790708be4b5caebbcf4">impala::ColumnType::type</a></div><div class="ttdeci">PrimitiveType type</div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00060">types.h:60</a></div></div>
<div class="ttc" id="symbols-util_8cc_html_acf498f111cd91f982dca32c53e77f74d"><div class="ttname"><a href="symbols-util_8cc.html#acf498f111cd91f982dca32c53e77f74d">AppendAnyValType</a></div><div class="ttdeci">static void AppendAnyValType(int namespace_id, const ColumnType &amp;type, stringstream *s)</div><div class="ttdef"><b>Definition:</b> <a href="symbols-util_8cc_source.html#l00109">symbols-util.cc:109</a></div></div>
<div class="ttc" id="namespacegen__ir__descriptions_html_a1811e47327929f57952b2d3dcdff8ab7"><div class="ttname"><a href="namespacegen__ir__descriptions.html#a1811e47327929f57952b2d3dcdff8ab7">gen_ir_descriptions.fn_name</a></div><div class="ttdeci">list fn_name</div><div class="ttdef"><b>Definition:</b> <a href="gen__ir__descriptions_8py_source.html#l00219">gen_ir_descriptions.py:219</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871ad19c24e4b9c67ed07a2331e704cf08ba"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871ad19c24e4b9c67ed07a2331e704cf08ba">impala::TYPE_SMALLINT</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00032">types.h:32</a></div></div>
<div class="ttc" id="symbols-util_8h_html"><div class="ttname"><a href="symbols-util_8h.html">symbols-util.h</a></div></div>
<div class="ttc" id="classimpala_1_1SymbolsUtil_html_a4a51c09589e88e59a4e30c214c7772c3"><div class="ttname"><a href="classimpala_1_1SymbolsUtil.html#a4a51c09589e88e59a4e30c214c7772c3">impala::SymbolsUtil::Demangle</a></div><div class="ttdeci">static std::string Demangle(const std::string &amp;name)</div><div class="ttdef"><b>Definition:</b> <a href="symbols-util_8cc_source.html#l00057">symbols-util.cc:57</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871a936286363e052834631db5c19be3187d"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a936286363e052834631db5c19be3187d">impala::TYPE_BOOLEAN</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00030">types.h:30</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871ac5602f92ce48738739f551df8ff3e4a7"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871ac5602f92ce48738739f551df8ff3e4a7">impala::TYPE_BIGINT</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00034">types.h:34</a></div></div>
<div class="ttc" id="symbols-util_8cc_html_a53f596aaf1af0196d26b019adbdd69be"><div class="ttname"><a href="symbols-util_8cc.html#a53f596aaf1af0196d26b019adbdd69be">MANGLE_PREFIX</a></div><div class="ttdeci">const char * MANGLE_PREFIX</div><div class="ttdef"><b>Definition:</b> <a href="symbols-util_8cc_source.html#l00051">symbols-util.cc:51</a></div></div>
<div class="ttc" id="structimpala_1_1ColumnType_html"><div class="ttname"><a href="structimpala_1_1ColumnType.html">impala::ColumnType</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00059">types.h:59</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="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871a81087da87fdc569ea9ad101e34391359"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a81087da87fdc569ea9ad101e34391359">impala::TYPE_STRING</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00038">types.h:38</a></div></div>
<div class="ttc" id="classimpala_1_1SymbolsUtil_html_ad6be90a6b4c20a0c79d6e8e9faaf9136"><div class="ttname"><a href="classimpala_1_1SymbolsUtil.html#ad6be90a6b4c20a0c79d6e8e9faaf9136">impala::SymbolsUtil::MangleUserFunction</a></div><div class="ttdeci">static std::string MangleUserFunction(const std::string &amp;fn_name, const std::vector&lt; ColumnType &gt; &amp;arg_types, bool has_var_args=false, ColumnType *ret_argument=NULL)</div><div class="ttdef"><b>Definition:</b> <a href="symbols-util_8cc_source.html#l00154">symbols-util.cc:154</a></div></div>
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<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871a7a19f69a9969431237f11ac0f982add1"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a7a19f69a9969431237f11ac0f982add1">impala::TYPE_TINYINT</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00031">types.h:31</a></div></div>
<div class="ttc" id="namespaceimpala_html_aaebb9aadfa9e5aec064bc26565df06d3"><div class="ttname"><a href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">impala::name</a></div><div class="ttdeci">string name</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00050">cpu-info.cc:50</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871ac750a41f3696ba9ddece634df5452994"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871ac750a41f3696ba9ddece634df5452994">impala::TYPE_FLOAT</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00035">types.h:35</a></div></div>
<div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871a62719f90a13430bfdc4a8455724f6fdf"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871a62719f90a13430bfdc4a8455724f6fdf">impala::TYPE_DECIMAL</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00042">types.h:42</a></div></div>
<div class="ttc" id="classimpala_1_1SymbolsUtil_html_ab73bb3194956269eda00003eefc259a3"><div class="ttname"><a href="classimpala_1_1SymbolsUtil.html#ab73bb3194956269eda00003eefc259a3">impala::SymbolsUtil::DemangleNameOnly</a></div><div class="ttdeci">static std::string DemangleNameOnly(const std::string &amp;symbol)</div><div class="ttdef"><b>Definition:</b> <a href="symbols-util_8cc_source.html#l00066">symbols-util.cc:66</a></div></div>
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