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| <div class="title">string-parser.h</div> </div> |
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| <div class="contents"> |
| <a href="string-parser_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef IMPALA_UTIL_STRING_PARSER_H</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#define IMPALA_UTIL_STRING_PARSER_H</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <limits></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <boost/type_traits.hpp></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="compiler-util_8h.html">common/compiler-util.h</a>"</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="logging_8h.html">common/logging.h</a>"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="decimal-value_8h.html">runtime/decimal-value.h</a>"</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="decimal-util_8h.html">util/decimal-util.h</a>"</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span><span class="comment">//</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"></span><span class="comment">//</span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html"> 49</a></span> <span class="comment"></span><span class="keyword">class </span><a class="code" href="classimpala_1_1StringParser.html">StringParser</a> {</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2"> 51</a></span>  <span class="keyword">enum</span> <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a> {</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726"> 52</a></span>  <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a> = 0,</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352"> 53</a></span>  <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>,</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a218bf20f6d7ee34d6f8efb3018c22e3b"> 54</a></span>  <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a218bf20f6d7ee34d6f8efb3018c22e3b">PARSE_OVERFLOW</a>,</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2aaaa95f015745cf4be9bf317f8f1fe017"> 55</a></span>  <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2aaaa95f015745cf4be9bf317f8f1fe017">PARSE_UNDERFLOW</a>,</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  };</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#accdcfe14b3e60df9b67dbd0d21a6bf18"> 59</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> T <a class="code" href="classimpala_1_1StringParser.html#accdcfe14b3e60df9b67dbd0d21a6bf18">StringToInt</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  T ans = StringToIntInternal<T>(s, len, result);</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(*result == <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>)) <span class="keywordflow">return</span> ans;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">int</span> i = <a class="code" href="classimpala_1_1StringParser.html#a27b446e48a5b4da7a320c427fb5ecae1">SkipLeadingWhitespace</a>(s, len);</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> StringToIntInternal<T>(s + i, len - i, result);</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#ab1504839dd39541e7423bebbf494b480"> 69</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> T <a class="code" href="classimpala_1_1StringParser.html#ab1504839dd39541e7423bebbf494b480">StringToInt</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <span class="keywordtype">int</span> base, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  T ans = StringToIntInternal<T>(s, len, base, result);</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(*result == <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>)) <span class="keywordflow">return</span> ans;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">int</span> i = <a class="code" href="classimpala_1_1StringParser.html#a27b446e48a5b4da7a320c427fb5ecae1">SkipLeadingWhitespace</a>(s, len);</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> StringToIntInternal<T>(s + i, len - i, base, result);</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#acc6de4ab6994683cf8ae17da8a0eade9"> 78</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> T <a class="code" href="classimpala_1_1StringParser.html#acc6de4ab6994683cf8ae17da8a0eade9">StringToFloat</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  T ans = StringToFloatInternal<T>(s, len, result);</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(*result == <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>)) <span class="keywordflow">return</span> ans;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">int</span> i = <a class="code" href="classimpala_1_1StringParser.html#a27b446e48a5b4da7a320c427fb5ecae1">SkipLeadingWhitespace</a>(s, len);</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> StringToFloatInternal<T>(s + i, len - i, result);</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div> |
| <div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#a6e834cf632a1e1353d4e3e8be6594ac8"> 87</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1StringParser.html#a6e834cf632a1e1353d4e3e8be6594ac8">StringToBool</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">bool</span> ans = <a class="code" href="classimpala_1_1StringParser.html#a0beeee7a9330ff0845c3ef046a8ca40d">StringToBoolInternal</a>(s, len, result);</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(*result == <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>)) <span class="keywordflow">return</span> ans;</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> i = <a class="code" href="classimpala_1_1StringParser.html#a27b446e48a5b4da7a320c427fb5ecae1">SkipLeadingWhitespace</a>(s, len);</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1StringParser.html#a0beeee7a9330ff0845c3ef046a8ca40d">StringToBoolInternal</a>(s + i, len - i, result);</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#a94b1336619c7b72730b8826819bd44cf"> 100</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="classimpala_1_1DecimalValue.html">DecimalValue<T></a> <a class="code" href="classimpala_1_1StringParser.html#a94b1336619c7b72730b8826819bd44cf">StringToDecimal</a>(<span class="keyword">const</span> uint8_t* s, <span class="keywordtype">int</span> len,</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">const</span> <a class="code" href="structimpala_1_1ColumnType.html">ColumnType</a>& type, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">StringParser::ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> StringToDecimal<T>(<span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(s), len, type, result);</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#ad64b211e42d5cd130313762e52569d98"> 106</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="classimpala_1_1DecimalValue.html">DecimalValue<T></a> <a class="code" href="classimpala_1_1StringParser.html#ad64b211e42d5cd130313762e52569d98">StringToDecimal</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len,</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> <a class="code" href="structimpala_1_1ColumnType.html">ColumnType</a>& type, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">StringParser::ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// Special cases:</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// 1) '' == Fail, an empty string fails to parse.</span></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// 2) ' # ' == #, leading and trailing white space is ignored.</span></div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// 3) '.' == 0, a single dot parses as zero (for consistency with other types).</span></div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// 4) '#.' == '#', a trailing dot is ignored.</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// Ignore leading and trailing spaces.</span></div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">while</span> (len > 0 && <a class="code" href="classimpala_1_1StringParser.html#a94a90a8a3347cb866f4e06f016e24f50">IsWhitespace</a>(*s)) {</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  ++s;</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  --len;</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">while</span> (len > 0 && <a class="code" href="classimpala_1_1StringParser.html#a94a90a8a3347cb866f4e06f016e24f50">IsWhitespace</a>(s[len - 1])) {</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  --len;</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">bool</span> is_negative = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (len > 0) {</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">switch</span> (*s) {</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">case</span> <span class="charliteral">'-'</span>:</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  is_negative = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">case</span> <span class="charliteral">'+'</span>:</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  ++s;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  --len;</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Ignore leading zeros.</span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">bool</span> found_value = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">while</span> (len > 0 && <a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(*s == <span class="charliteral">'0'</span>)) {</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  found_value = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  ++s;</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  --len;</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// Ignore leading zeros even after a dot. This allows for differetiating between</span></div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// cases like 0.01e2, which would fit in a DECIMAL(1, 0), and 0.10e2, which would</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// overflow.</span></div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">int</span> scale = 0;</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">int</span> found_dot = 0;</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (len > 0 && *s == <span class="charliteral">'.'</span>) {</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  found_dot = 1;</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  ++s;</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  --len;</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">while</span> (len > 0 && <a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(*s == <span class="charliteral">'0'</span>)) {</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  found_value = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  ++scale;</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  ++s;</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  --len;</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">int</span> precision = 0;</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">bool</span> found_exponent = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  int8_t exponent = 0;</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  T value = 0;</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < len; ++i) {</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>& c = s[i];</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(<span class="charliteral">'0'</span> <= c && c <= <span class="charliteral">'9'</span>)) {</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  found_value = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// Ignore digits once the type's precision limit is reached. This avoids</span></div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// overflowing the underlying storage while handling a string like</span></div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// 10000000000e-10 into a DECIMAL(1, 0). Adjustments for ignored digits and</span></div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// an exponent will be made later.</span></div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(type.<a class="code" href="structimpala_1_1ColumnType.html#ab7a396997e9cd8cd551d1ebf919ad943">precision</a> > precision)) {</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  value = (value * 10) + (c - <span class="charliteral">'0'</span>); <span class="comment">// Benchmarks are faster with parenthesis...</span></div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  DCHECK(value >= 0); <span class="comment">// For some reason DCHECK_GE doesn't work with int128_t.</span></div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  ++precision;</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  scale += found_dot;</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (c == <span class="charliteral">'.'</span> && <a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(!found_dot)) {</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  found_dot = 1;</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((c == <span class="charliteral">'e'</span> || c == <span class="charliteral">'E'</span>) && <a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(!found_exponent)) {</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  found_exponent = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  exponent = StringToIntInternal<int8_t>(s + i + 1, len - i - 1, result);</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(*result != <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">StringParser::PARSE_SUCCESS</a>)) <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1DecimalValue.html">DecimalValue<T></a>(0);</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">StringParser::PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1DecimalValue.html">DecimalValue<T></a>(0);</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// Find the number of truncated digits before adjusting the precision for an exponent.</span></div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">int</span> truncated_digit_count = precision - type.<a class="code" href="structimpala_1_1ColumnType.html#ab7a396997e9cd8cd551d1ebf919ad943">precision</a>;</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span> (exponent > scale) {</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// Ex: 0.1e3 (which at this point would have precision == 1 and scale == 1), the</span></div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// scale must be set to 0 and the value set to 100 which means a precision of 3.</span></div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  precision += exponent - scale;</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  value *= DecimalUtil::GetScaleMultiplier<T>(exponent - scale);</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  scale = 0;</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// Ex: 100e-4, the scale must be set to 4 but no adjustment to the value is needed,</span></div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// the precision must also be set to 4 but that will be done below for the</span></div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// non-exponent case anyways.</span></div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  scale -= exponent;</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// Ex: 0.001, at this point would have precision 1 and scale 3 since leading zeros</span></div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// were ignored during previous parsing.</span></div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (scale > precision) precision = scale;</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// Microbenchmarks show that beyond this point, returning on parse failure is slower</span></div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// than just letting the function run out.</span></div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">StringParser::PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(precision - scale > type.<a class="code" href="structimpala_1_1ColumnType.html#ab7a396997e9cd8cd551d1ebf919ad943">precision</a> - type.<a class="code" href="structimpala_1_1ColumnType.html#a353a1d918c8028056a1cf02ee97d82ce">scale</a>)) {</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a218bf20f6d7ee34d6f8efb3018c22e3b">StringParser::PARSE_OVERFLOW</a>;</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(scale > type.<a class="code" href="structimpala_1_1ColumnType.html#a353a1d918c8028056a1cf02ee97d82ce">scale</a>)) {</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2aaaa95f015745cf4be9bf317f8f1fe017">StringParser::PARSE_UNDERFLOW</a>;</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">int</span> shift = scale - type.<a class="code" href="structimpala_1_1ColumnType.html#a353a1d918c8028056a1cf02ee97d82ce">scale</a>;</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (truncated_digit_count > 0) shift -= truncated_digit_count;</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (shift > 0) value /= DecimalUtil::GetScaleMultiplier<T>(shift);</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  DCHECK(value >= 0);</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(!found_value && !found_dot)) {</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">StringParser::PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (type.<a class="code" href="structimpala_1_1ColumnType.html#a353a1d918c8028056a1cf02ee97d82ce">scale</a> > scale) {</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  value *= DecimalUtil::GetScaleMultiplier<T>(type.<a class="code" href="structimpala_1_1ColumnType.html#a353a1d918c8028056a1cf02ee97d82ce">scale</a> - scale);</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1DecimalValue.html">DecimalValue<T></a>(is_negative ? -value : value);</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00236"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#aa368ae674333387567bef8b0af429d81"> 236</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> T <a class="code" href="classimpala_1_1StringParser.html#aa368ae674333387567bef8b0af429d81">StringToIntInternal</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(len <= 0)) {</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> boost::make_unsigned<T>::type UnsignedT;</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  UnsignedT val = 0;</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  UnsignedT max_val = std::numeric_limits<T>::max();</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordtype">bool</span> negative = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordtype">int</span> i = 0;</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">switch</span> (*s) {</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">case</span> <span class="charliteral">'-'</span>:</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  negative = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  max_val = std::numeric_limits<T>::max() + 1;</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">case</span> <span class="charliteral">'+'</span>: ++i;</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// This is the fast path where the string cannot overflow.</span></div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(len - i < <a class="code" href="classimpala_1_1StringParser_1_1StringParseTraits.html">StringParseTraits<T>::max_ascii_len</a>())) {</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  val = StringToIntNoOverflow<UnsignedT>(s + i, len - i, result);</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(negative ? -val : val);</div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">const</span> T max_div_10 = max_val / 10;</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">const</span> T max_mod_10 = max_val % 10;</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">int</span> first = i;</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">for</span> (; i < len; ++i) {</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(s[i] >= <span class="charliteral">'0'</span> && s[i] <= <span class="charliteral">'9'</span>)) {</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  T digit = s[i] - <span class="charliteral">'0'</span>;</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">// This is a tricky check to see if adding this digit will cause an overflow.</span></div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(val > (max_div_10 - (digit > max_mod_10)))) {</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a218bf20f6d7ee34d6f8efb3018c22e3b">PARSE_OVERFLOW</a>;</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</span> negative ? -max_val : max_val;</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  val = val * 10 + digit;</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> ((<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(i == first || !<a class="code" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">IsAllWhitespace</a>(s + i, len - i)))) {</div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// Reject the string because either the first char was not a digit,</span></div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="comment">// or the remaining chars are not all whitespace</span></div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// Returning here is slightly faster than breaking the loop.</span></div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(negative ? -val : val);</div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(negative ? -val : val);</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00292"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#ad0033aca12dc48b13ece527d9109ad92"> 292</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> T <a class="code" href="classimpala_1_1StringParser.html#ad0033aca12dc48b13ece527d9109ad92">StringToIntInternal</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <span class="keywordtype">int</span> base,</div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> boost::make_unsigned<T>::type UnsignedT;</div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  UnsignedT val = 0;</div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  UnsignedT max_val = std::numeric_limits<T>::max();</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">bool</span> negative = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(len <= 0)) {</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordtype">int</span> i = 0;</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">switch</span> (*s) {</div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">case</span> <span class="charliteral">'-'</span>:</div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  negative = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  max_val = std::numeric_limits<T>::max() + 1;</div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">case</span> <span class="charliteral">'+'</span>: i = 1;</div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  }</div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keyword">const</span> T max_div_base = max_val / base;</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">const</span> T max_mod_base = max_val % base;</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordtype">int</span> first = i;</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">for</span> (; i < len; ++i) {</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  T digit;</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(s[i] >= <span class="charliteral">'0'</span> && s[i] <= <span class="charliteral">'9'</span>)) {</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  digit = s[i] - <span class="charliteral">'0'</span>;</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s[i] >= <span class="charliteral">'a'</span> && s[i] <= <span class="charliteral">'z'</span>) {</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  digit = (s[i] - <span class="charliteral">'a'</span> + 10);</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s[i] >= <span class="charliteral">'A'</span> && s[i] <= <span class="charliteral">'Z'</span>) {</div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  digit = (s[i] - <span class="charliteral">'A'</span> + 10);</div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> ((<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(i == first || !<a class="code" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">IsAllWhitespace</a>(s + i, len - i)))) {</div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// Reject the string because either the first char was not an alpha/digit,</span></div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// or the remaining chars are not all whitespace</span></div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">// skip trailing whitespace.</span></div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div> |
| <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// Bail, if we encounter a digit that is not available in base.</span></div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">if</span> (digit >= base) <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// This is a tricky check to see if adding this digit will cause an</span></div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="comment">// overflow.</span></div> |
| <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(val > (max_div_base - (digit > max_mod_base)))) {</div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a218bf20f6d7ee34d6f8efb3018c22e3b">PARSE_OVERFLOW</a>;</div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(negative ? -max_val : max_val);</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  val = val * base + digit;</div> |
| <div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  }</div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(negative ? -val : val);</div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div> |
| <div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div> |
| <div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00357"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#a0384d41efddff09a8a2d46be8fec9ed6"> 357</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> T <a class="code" href="classimpala_1_1StringParser.html#a0384d41efddff09a8a2d46be8fec9ed6">StringToFloatInternal</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(len <= 0)) {</div> |
| <div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  }</div> |
| <div class="line"><a name="l00362"></a><span class="lineno"> 362</span> </div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// Use double here to not lose precision while accumulating the result</span></div> |
| <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordtype">double</span> val = 0;</div> |
| <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordtype">bool</span> negative = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordtype">int</span> i = 0;</div> |
| <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordtype">double</span> divide = 1;</div> |
| <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordtype">bool</span> decimal = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  int64_t remainder = 0;</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">// The number of significant figures we've encountered so far (i.e., digits excluding</span></div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// leading 0s). This technically shouldn't count trailing 0s either, but for us it</span></div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="comment">// doesn't matter if we count them based on the implementation below.</span></div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordtype">int</span> sig_figs = 0;</div> |
| <div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">switch</span> (*s) {</div> |
| <div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">case</span> <span class="charliteral">'-'</span>: negative = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">case</span> <span class="charliteral">'+'</span>: i = 1;</div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div> |
| <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordtype">int</span> first = i;</div> |
| <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">for</span> (; i < len; ++i) {</div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(s[i] >= <span class="charliteral">'0'</span> && s[i] <= <span class="charliteral">'9'</span>)) {</div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">if</span> (s[i] != <span class="charliteral">'0'</span> || sig_figs > 0) ++sig_figs;</div> |
| <div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (decimal) {</div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="comment">// According to the IEEE floating-point spec, a double has up to 15-17</span></div> |
| <div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="comment">// significant decimal digits (see</span></div> |
| <div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="comment">// http://en.wikipedia.org/wiki/Double-precision_floating-point_format). We stop</span></div> |
| <div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">// processing digits after we've already seen at least 18 sig figs to avoid</span></div> |
| <div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// overflowing 'remainder' (we stop after 18 instead of 17 to get the rounding</span></div> |
| <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// right).</span></div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">if</span> (sig_figs <= 18) {</div> |
| <div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  remainder = remainder * 10 + s[i] - <span class="charliteral">'0'</span>;</div> |
| <div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  divide *= 10;</div> |
| <div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div> |
| <div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  val = val * 10 + s[i] - <span class="charliteral">'0'</span>;</div> |
| <div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  }</div> |
| <div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s[i] == <span class="charliteral">'.'</span>) {</div> |
| <div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  decimal = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s[i] == <span class="charliteral">'e'</span> || s[i] == <span class="charliteral">'E'</span>) {</div> |
| <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s[i] == <span class="charliteral">'i'</span> || s[i] == <span class="charliteral">'I'</span>) {</div> |
| <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">if</span> (len > i + 2 && (s[i+1] == <span class="charliteral">'n'</span> || s[i+1] == <span class="charliteral">'N'</span>) &&</div> |
| <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  (s[i+2] == <span class="charliteral">'f'</span> || s[i+2] == <span class="charliteral">'F'</span>)) {</div> |
| <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="comment">// Note: Hive writes inf as Infinity, at least for text. We'll be a little loose</span></div> |
| <div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="comment">// here and interpret any column with inf as a prefix as infinity rather than</span></div> |
| <div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">// checking every remaining byte.</span></div> |
| <div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span> negative ? -INFINITY : INFINITY;</div> |
| <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="comment">// Starts with 'i', but isn't inf...</span></div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s[i] == <span class="charliteral">'n'</span> || s[i] == <span class="charliteral">'N'</span>) {</div> |
| <div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span> (len > i + 2 && (s[i+1] == <span class="charliteral">'a'</span> || s[i+1] == <span class="charliteral">'A'</span>) &&</div> |
| <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  (s[i+2] == <span class="charliteral">'n'</span> || s[i+2] == <span class="charliteral">'N'</span>)) {</div> |
| <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">return</span> negative ? -NAN : NAN;</div> |
| <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// Starts with 'n', but isn't NaN...</span></div> |
| <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div> |
| <div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span> ((<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(i == first || !<a class="code" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">IsAllWhitespace</a>(s + i, len - i)))) {</div> |
| <div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="comment">// Reject the string because either the first char was not a digit, "," or "e",</span></div> |
| <div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="comment">// or the remaining chars are not all whitespace</span></div> |
| <div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="comment">// skip trailing whitespace.</span></div> |
| <div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div> |
| <div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  }</div> |
| <div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div> |
| <div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  val += remainder / divide;</div> |
| <div class="line"><a name="l00436"></a><span class="lineno"> 436</span> </div> |
| <div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (i < len && (s[i] == <span class="charliteral">'e'</span> || s[i] == <span class="charliteral">'E'</span>)) {</div> |
| <div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="comment">// Create a C-string from s starting after the optional '-' sign and fall back to</span></div> |
| <div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="comment">// strtod to avoid conversion inaccuracy for scientific notation.</span></div> |
| <div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="comment">// Do not use boost::lexical_cast because it causes codegen to crash for an</span></div> |
| <div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">// unknown reason (exception handling?).</span></div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordtype">char</span> c_str[len - negative + 1];</div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  memcpy(c_str, s + negative, len - negative);</div> |
| <div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  c_str[len - negative] = <span class="charliteral">'\0'</span>;</div> |
| <div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordtype">char</span>* s_end;</div> |
| <div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  val = strtod(c_str, &s_end);</div> |
| <div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span> (s_end != c_str + len - negative) {</div> |
| <div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="comment">// skip trailing whitespace</span></div> |
| <div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordtype">int</span> trailing_len = len - negative - (int)(s_end - c_str);</div> |
| <div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(!<a class="code" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">IsAllWhitespace</a>(s_end, trailing_len))) {</div> |
| <div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">return</span> val;</div> |
| <div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div> |
| <div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div> |
| <div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div> |
| <div class="line"><a name="l00456"></a><span class="lineno"> 456</span> </div> |
| <div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="comment">// Determine if it is an overflow case and update the result</span></div> |
| <div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(val == std::numeric_limits<T>::infinity())) {</div> |
| <div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a218bf20f6d7ee34d6f8efb3018c22e3b">PARSE_OVERFLOW</a>;</div> |
| <div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div> |
| <div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">return</span> (T)(negative ? -val : val);</div> |
| <div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }</div> |
| <div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div> |
| <div class="line"><a name="l00468"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#a0beeee7a9330ff0845c3ef046a8ca40d"> 468</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1StringParser.html#a0beeee7a9330ff0845c3ef046a8ca40d">StringToBoolInternal</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">if</span> (len >= 4 && (s[0] == <span class="charliteral">'t'</span> || s[0] == <span class="charliteral">'T'</span>)) {</div> |
| <div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordtype">bool</span> match = (s[1] == <span class="charliteral">'r'</span> || s[1] == <span class="charliteral">'R'</span>) &&</div> |
| <div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  (s[2] == <span class="charliteral">'u'</span> || s[2] == <span class="charliteral">'U'</span>) &&</div> |
| <div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  (s[3] == <span class="charliteral">'e'</span> || s[3] == <span class="charliteral">'E'</span>);</div> |
| <div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span> (match && <a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(<a class="code" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">IsAllWhitespace</a>(s+4, len-4))) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len >= 5 && (s[0] == <span class="charliteral">'f'</span> || s[0] == <span class="charliteral">'F'</span>)) {</div> |
| <div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordtype">bool</span> match = (s[1] == <span class="charliteral">'a'</span> || s[1] == <span class="charliteral">'A'</span>) &&</div> |
| <div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  (s[2] == <span class="charliteral">'l'</span> || s[2] == <span class="charliteral">'L'</span>) &&</div> |
| <div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  (s[3] == <span class="charliteral">'s'</span> || s[3] == <span class="charliteral">'S'</span>) &&</div> |
| <div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  (s[4] == <span class="charliteral">'e'</span> || s[4] == <span class="charliteral">'E'</span>);</div> |
| <div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">if</span> (match && <a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(<a class="code" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">IsAllWhitespace</a>(s+5, len-5))) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div> |
| <div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  }</div> |
| <div class="line"><a name="l00485"></a><span class="lineno"> 485</span> </div> |
| <div class="line"><a name="l00487"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#a27b446e48a5b4da7a320c427fb5ecae1"> 487</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1StringParser.html#a27b446e48a5b4da7a320c427fb5ecae1">SkipLeadingWhitespace</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len) {</div> |
| <div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordtype">int</span> i = 0;</div> |
| <div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">while</span>(i < len && <a class="code" href="classimpala_1_1StringParser.html#a94a90a8a3347cb866f4e06f016e24f50">IsWhitespace</a>(s[i])) ++i;</div> |
| <div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">return</span> i;</div> |
| <div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div> |
| <div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div> |
| <div class="line"><a name="l00494"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2"> 494</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">IsAllWhitespace</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len) {</div> |
| <div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < len; ++i) {</div> |
| <div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordflow">if</span> (!<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(<a class="code" href="classimpala_1_1StringParser.html#a94a90a8a3347cb866f4e06f016e24f50">IsWhitespace</a>(s[i]))) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div> |
| <div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  }</div> |
| <div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div> |
| <div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00502"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser_1_1StringParseTraits.html"> 502</a></span>  <span class="keyword">class </span><a class="code" href="classimpala_1_1StringParser_1_1StringParseTraits.html">StringParseTraits</a> {</div> |
| <div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1StringParser_1_1StringParseTraits.html#a6d22572ddba95f8c7a69f02b932e84ca">max_ascii_len</a>();</div> |
| <div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  };</div> |
| <div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div> |
| <div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00513"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#a9cea1e69cac9dc4dcdc22161534d4b70"> 513</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> T <a class="code" href="classimpala_1_1StringParser.html#a9cea1e69cac9dc4dcdc22161534d4b70">StringToIntNoOverflow</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keywordtype">int</span> len, <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">ParseResult</a>* result) {</div> |
| <div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  T val = 0;</div> |
| <div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(len == 0)) {</div> |
| <div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">return</span> val;</div> |
| <div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  }</div> |
| <div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="comment">// Factor out the first char for error handling speeds up the loop.</span></div> |
| <div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(s[0] >= <span class="charliteral">'0'</span> && s[0] <= <span class="charliteral">'9'</span>)) {</div> |
| <div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  val = s[0] - <span class="charliteral">'0'</span>;</div> |
| <div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  }</div> |
| <div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < len; ++i) {</div> |
| <div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a>(s[i] >= <span class="charliteral">'0'</span> && s[i] <= <span class="charliteral">'9'</span>)) {</div> |
| <div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  T digit = s[i] - <span class="charliteral">'0'</span>;</div> |
| <div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  val = val * 10 + digit;</div> |
| <div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">if</span> ((<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(!<a class="code" href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">IsAllWhitespace</a>(s + i, len - i)))) {</div> |
| <div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">PARSE_FAILURE</a>;</div> |
| <div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  }</div> |
| <div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordflow">return</span> val;</div> |
| <div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  }</div> |
| <div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  }</div> |
| <div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  *result = <a class="code" href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">PARSE_SUCCESS</a>;</div> |
| <div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">return</span> val;</div> |
| <div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  }</div> |
| <div class="line"><a name="l00542"></a><span class="lineno"> 542</span> </div> |
| <div class="line"><a name="l00543"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser.html#a94a90a8a3347cb866f4e06f016e24f50"> 543</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1StringParser.html#a94a90a8a3347cb866f4e06f016e24f50">IsWhitespace</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>& c) {</div> |
| <div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordflow">return</span> c == <span class="charliteral">' '</span> || <a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(c == <span class="charliteral">'\t'</span> || c == <span class="charliteral">'\n'</span> || c == <span class="charliteral">'\v'</span> || c == <span class="charliteral">'\f'</span></div> |
| <div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  || c == <span class="charliteral">'\r'</span>);</div> |
| <div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  }</div> |
| <div class="line"><a name="l00547"></a><span class="lineno"> 547</span> };</div> |
| <div class="line"><a name="l00548"></a><span class="lineno"> 548</span> </div> |
| <div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="keyword">template</span><></div> |
| <div class="line"><a name="l00550"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser_1_1StringParseTraits.html#a61d73f2537822604306f7e9c9ec7f3fd"> 550</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1StringParser_1_1StringParseTraits.html#a6d22572ddba95f8c7a69f02b932e84ca">StringParser::StringParseTraits<int8_t>::max_ascii_len</a>() { <span class="keywordflow">return</span> 3; }</div> |
| <div class="line"><a name="l00551"></a><span class="lineno"> 551</span> </div> |
| <div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="keyword">template</span><></div> |
| <div class="line"><a name="l00553"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser_1_1StringParseTraits.html#af0ff997c5b7d6cc96a3c8784071a389c"> 553</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1StringParser_1_1StringParseTraits.html#a6d22572ddba95f8c7a69f02b932e84ca">StringParser::StringParseTraits<int16_t>::max_ascii_len</a>() { <span class="keywordflow">return</span> 5; }</div> |
| <div class="line"><a name="l00554"></a><span class="lineno"> 554</span> </div> |
| <div class="line"><a name="l00555"></a><span class="lineno"> 555</span> <span class="keyword">template</span><></div> |
| <div class="line"><a name="l00556"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser_1_1StringParseTraits.html#a90cc499e19798de7a2448ce2dbeb5330"> 556</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1StringParser_1_1StringParseTraits.html#a6d22572ddba95f8c7a69f02b932e84ca">StringParser::StringParseTraits<int32_t>::max_ascii_len</a>() { <span class="keywordflow">return</span> 10; }</div> |
| <div class="line"><a name="l00557"></a><span class="lineno"> 557</span> </div> |
| <div class="line"><a name="l00558"></a><span class="lineno"> 558</span> <span class="keyword">template</span><></div> |
| <div class="line"><a name="l00559"></a><span class="lineno"><a class="line" href="classimpala_1_1StringParser_1_1StringParseTraits.html#a903d0294f310def77a3b7e0b5ae8fce0"> 559</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1StringParser_1_1StringParseTraits.html#a6d22572ddba95f8c7a69f02b932e84ca">StringParser::StringParseTraits<int64_t>::max_ascii_len</a>() { <span class="keywordflow">return</span> 19; }</div> |
| <div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div> |
| <div class="line"><a name="l00561"></a><span class="lineno"> 561</span> }</div> |
| <div class="line"><a name="l00562"></a><span class="lineno"> 562</span> </div> |
| <div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor">#endif</span></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_a94b1336619c7b72730b8826819bd44cf"><div class="ttname"><a href="classimpala_1_1StringParser.html#a94b1336619c7b72730b8826819bd44cf">impala::StringParser::StringToDecimal</a></div><div class="ttdeci">static DecimalValue< T > StringToDecimal(const uint8_t *s, int len, const ColumnType &type, StringParser::ParseResult *result)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00100">string-parser.h:100</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_ad64b211e42d5cd130313762e52569d98"><div class="ttname"><a href="classimpala_1_1StringParser.html#ad64b211e42d5cd130313762e52569d98">impala::StringParser::StringToDecimal</a></div><div class="ttdeci">static DecimalValue< T > StringToDecimal(const char *s, int len, const ColumnType &type, StringParser::ParseResult *result)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00106">string-parser.h:106</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_acc6de4ab6994683cf8ae17da8a0eade9"><div class="ttname"><a href="classimpala_1_1StringParser.html#acc6de4ab6994683cf8ae17da8a0eade9">impala::StringParser::StringToFloat</a></div><div class="ttdeci">static T StringToFloat(const char *s, int len, ParseResult *result)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00078">string-parser.h:78</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_ad0033aca12dc48b13ece527d9109ad92"><div class="ttname"><a href="classimpala_1_1StringParser.html#ad0033aca12dc48b13ece527d9109ad92">impala::StringParser::StringToIntInternal</a></div><div class="ttdeci">static T StringToIntInternal(const char *s, int len, int base, ParseResult *result)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00292">string-parser.h:292</a></div></div> |
| <div class="ttc" id="structimpala_1_1ColumnType_html_ab7a396997e9cd8cd551d1ebf919ad943"><div class="ttname"><a href="structimpala_1_1ColumnType.html#ab7a396997e9cd8cd551d1ebf919ad943">impala::ColumnType::precision</a></div><div class="ttdeci">int precision</div><div class="ttdoc">Only set if type == TYPE_DECIMAL. </div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00068">types.h:68</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_1_1StringParseTraits_html_a6d22572ddba95f8c7a69f02b932e84ca"><div class="ttname"><a href="classimpala_1_1StringParser_1_1StringParseTraits.html#a6d22572ddba95f8c7a69f02b932e84ca">impala::StringParser::StringParseTraits::max_ascii_len</a></div><div class="ttdeci">static int max_ascii_len()</div></div> |
| <div class="ttc" id="structimpala_1_1ColumnType_html_a353a1d918c8028056a1cf02ee97d82ce"><div class="ttname"><a href="structimpala_1_1ColumnType.html#a353a1d918c8028056a1cf02ee97d82ce">impala::ColumnType::scale</a></div><div class="ttdeci">int scale</div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00068">types.h:68</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html"><div class="ttname"><a href="classimpala_1_1StringParser.html">impala::StringParser</a></div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00049">string-parser.h:49</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_a0384d41efddff09a8a2d46be8fec9ed6"><div class="ttname"><a href="classimpala_1_1StringParser.html#a0384d41efddff09a8a2d46be8fec9ed6">impala::StringParser::StringToFloatInternal</a></div><div class="ttdeci">static T StringToFloatInternal(const char *s, int len, ParseResult *result)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00357">string-parser.h:357</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726"><div class="ttname"><a href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a5112bf3bfbadd918485dcbe1255b2726">impala::StringParser::PARSE_SUCCESS</a></div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00052">string-parser.h:52</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352"><div class="ttname"><a href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2a7ffd93037cdb317e789f79de83fab352">impala::StringParser::PARSE_FAILURE</a></div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00053">string-parser.h:53</a></div></div> |
| <div class="ttc" id="logging_8h_html"><div class="ttname"><a href="logging_8h.html">logging.h</a></div></div> |
| <div class="ttc" id="decimal-util_8h_html"><div class="ttname"><a href="decimal-util_8h.html">decimal-util.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_ade4ec9c83a29225438abea9b8c15e2c2aaaa95f015745cf4be9bf317f8f1fe017"><div class="ttname"><a href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2aaaa95f015745cf4be9bf317f8f1fe017">impala::StringParser::PARSE_UNDERFLOW</a></div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00055">string-parser.h:55</a></div></div> |
| <div class="ttc" id="classimpala_1_1DecimalValue_html"><div class="ttname"><a href="classimpala_1_1DecimalValue.html">impala::DecimalValue</a></div><div class="ttdef"><b>Definition:</b> <a href="decimal-value_8h_source.html#l00040">decimal-value.h:40</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_1_1StringParseTraits_html"><div class="ttname"><a href="classimpala_1_1StringParser_1_1StringParseTraits.html">impala::StringParser::StringParseTraits</a></div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00502">string-parser.h:502</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_a27b446e48a5b4da7a320c427fb5ecae1"><div class="ttname"><a href="classimpala_1_1StringParser.html#a27b446e48a5b4da7a320c427fb5ecae1">impala::StringParser::SkipLeadingWhitespace</a></div><div class="ttdeci">static int SkipLeadingWhitespace(const char *s, int len)</div><div class="ttdoc">Returns the position of the first non-whitespace character in s. </div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00487">string-parser.h:487</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_a94a90a8a3347cb866f4e06f016e24f50"><div class="ttname"><a href="classimpala_1_1StringParser.html#a94a90a8a3347cb866f4e06f016e24f50">impala::StringParser::IsWhitespace</a></div><div class="ttdeci">static bool IsWhitespace(const char &c)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00543">string-parser.h:543</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_a6e834cf632a1e1353d4e3e8be6594ac8"><div class="ttname"><a href="classimpala_1_1StringParser.html#a6e834cf632a1e1353d4e3e8be6594ac8">impala::StringParser::StringToBool</a></div><div class="ttdeci">static bool StringToBool(const char *s, int len, ParseResult *result)</div><div class="ttdoc">Parses a string for 'true' or 'false', case insensitive. </div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00087">string-parser.h:87</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_a0613a2759d4eb399d8efb82ca81a4ad2"><div class="ttname"><a href="classimpala_1_1StringParser.html#a0613a2759d4eb399d8efb82ca81a4ad2">impala::StringParser::IsAllWhitespace</a></div><div class="ttdeci">static bool IsAllWhitespace(const char *s, int len)</div><div class="ttdoc">Returns true if s only contains whitespace. </div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00494">string-parser.h:494</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_ab1504839dd39541e7423bebbf494b480"><div class="ttname"><a href="classimpala_1_1StringParser.html#ab1504839dd39541e7423bebbf494b480">impala::StringParser::StringToInt</a></div><div class="ttdeci">static T StringToInt(const char *s, int len, int base, ParseResult *result)</div><div class="ttdoc">Convert a string s representing a number in given base into a decimal number. </div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00069">string-parser.h:69</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_ade4ec9c83a29225438abea9b8c15e2c2"><div class="ttname"><a href="classimpala_1_1StringParser.html#ade4ec9c83a29225438abea9b8c15e2c2">impala::StringParser::ParseResult</a></div><div class="ttdeci">ParseResult</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00051">string-parser.h:51</a></div></div> |
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| <div class="ttc" id="compiler-util_8h_html"><div class="ttname"><a href="compiler-util_8h.html">compiler-util.h</a></div></div> |
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| <div class="ttc" id="compiler-util_8h_html_a9acc330d508b9a3b775cfdf7ce405e7d"><div class="ttname"><a href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a></div><div class="ttdeci">#define UNLIKELY(expr)</div><div class="ttdef"><b>Definition:</b> <a href="compiler-util_8h_source.html#l00033">compiler-util.h:33</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_a0beeee7a9330ff0845c3ef046a8ca40d"><div class="ttname"><a href="classimpala_1_1StringParser.html#a0beeee7a9330ff0845c3ef046a8ca40d">impala::StringParser::StringToBoolInternal</a></div><div class="ttdeci">static bool StringToBoolInternal(const char *s, int len, ParseResult *result)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00468">string-parser.h:468</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="decimal-value_8h_html"><div class="ttname"><a href="decimal-value_8h.html">decimal-value.h</a></div></div> |
| <div class="ttc" id="compiler-util_8h_html_a262afcfe437f4addb13fb1b47a6a7086"><div class="ttname"><a href="compiler-util_8h.html#a262afcfe437f4addb13fb1b47a6a7086">LIKELY</a></div><div class="ttdeci">#define LIKELY(expr)</div><div class="ttdef"><b>Definition:</b> <a href="compiler-util_8h_source.html#l00032">compiler-util.h:32</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_a9cea1e69cac9dc4dcdc22161534d4b70"><div class="ttname"><a href="classimpala_1_1StringParser.html#a9cea1e69cac9dc4dcdc22161534d4b70">impala::StringParser::StringToIntNoOverflow</a></div><div class="ttdeci">static T StringToIntNoOverflow(const char *s, int len, ParseResult *result)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00513">string-parser.h:513</a></div></div> |
| <div class="ttc" id="classimpala_1_1StringParser_html_accdcfe14b3e60df9b67dbd0d21a6bf18"><div class="ttname"><a href="classimpala_1_1StringParser.html#accdcfe14b3e60df9b67dbd0d21a6bf18">impala::StringParser::StringToInt</a></div><div class="ttdeci">static T StringToInt(const char *s, int len, ParseResult *result)</div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00059">string-parser.h:59</a></div></div> |
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