Mercurial Hosting > luan
annotate lucene/src/luan/modules/lucene/Web_search.luan @ 515:1b2e4c7dab85
fix lucene sort and improve Web_search
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Tue, 26 May 2015 02:05:22 -0600 |
parents | 7bc63886d4f2 |
children | 5fed3de0aac7 |
rev | line source |
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1 local Luan = require "luan:Luan" |
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2 local load = Luan.load |
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3 local pairs = Luan.pairs |
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4 local ipairs = Luan.ipairs |
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5 local range = Luan.range |
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6 local to_string = Luan.to_string |
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7 local Io = require "luan:Io" |
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8 local Http = require "luan:http/Http" |
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9 local String = require "luan:String" |
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10 local Html = require "luan:Html" |
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11 |
503 | 12 local M = {} |
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13 |
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14 local function form() %> |
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15 <html> |
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16 <head> |
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17 <% Html.simply_html_head() %> |
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18 <title>Lucene Query</title> |
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19 </head> |
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20 <body> |
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21 <div container> |
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22 <h3 margin-top="1.5em">Lucene Query</h3> |
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23 <form horizontal name="form0" method="post" margin-top="2em"> |
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24 <div row> |
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25 <div colspan=2 align="right"> |
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26 <label>Query:</label> |
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27 </div> |
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28 <div colspan=10> |
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29 <input name="query" size="80" value="query.all_docs" autofocus /> |
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30 <div textcolor="#888">Query examples: <i>query.term{ type = 'user' }</i> or <i>"type:user AND name:Joe"</i></div> |
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31 </div> |
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32 </div> |
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33 <div row margin-top="1em"> |
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34 <div colspan=2 align="right"> |
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35 <label>Max Rows:</label> |
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36 </div> |
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37 <div colspan=10> |
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38 <input name="rows" value="100" size="3" maxlength="5" /></p> |
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39 </div> |
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40 </div> |
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41 <div row margin-top="1em"> |
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42 <div colspan=2 align="right"> |
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43 <label>Sort:</label> |
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44 </div> |
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45 <div colspan=10> |
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46 <input name="sort" size="60" /> |
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47 <div textcolor="#888">Sort examples: sort{{ field = 'id', type='int' }}</div> |
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48 </div> |
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49 </div> |
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50 <div row margin-top="1em"> |
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51 <div colspan=2></div> |
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52 <div colspan=10> |
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53 <input type="submit" textcolor="white" bgcolor="#337ab7" large/> |
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54 </div> |
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55 </div> |
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56 </form> |
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57 </div> |
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58 <% Html.simply_html_body_bottom() %> |
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59 </body> |
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60 </html> |
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61 <% end |
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62 |
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63 |
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64 local function result(query,sort,headers,table) %> |
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65 <html> |
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66 <head> |
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67 <% Html.simply_html_head() %> |
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68 <title>Lucene Query</title> |
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69 </head> |
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70 <body> |
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71 <div container> |
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72 <h3 margin-top="1.5em">Lucene Query Results</h3> |
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73 <div row> |
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74 <div colspan=2 align="right"> |
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75 <label>Query:</label> |
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76 </div> |
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77 <div colspan=10> |
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78 <b><%=Html.encode(to_string(query))%></b></p> |
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79 </div> |
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80 </div> |
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81 <div row> |
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82 <div colspan=2 align="right"> |
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83 <label>Sort:</label> |
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84 </div> |
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85 <div colspan=10> |
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86 <b><%=Html.encode(to_string(sort))%></b></p> |
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87 </div> |
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88 </div> |
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89 <table border condensed margin-top="1.5em"> |
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90 <tr> |
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91 <th></th> |
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92 <% for _, header in ipairs(headers) do %> |
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93 <th><%=header%></th> |
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94 <% end %> |
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95 </tr> |
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96 <% for i, row in ipairs(table) do %> |
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97 <tr> |
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98 <td><%=i%></td> |
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99 <% for col in range(1, #headers) do %> |
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100 <td><%= row[col] or "" %></td> |
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101 <% end %> |
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102 </tr> |
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103 <% end %> |
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104 </table> |
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105 </div> |
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106 <% Html.simply_html_body_bottom() %> |
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107 </body> |
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108 </html> |
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109 <% end |
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110 |
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111 |
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112 local function index_of(tbl,val) |
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113 for i, v in ipairs(tbl) do |
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114 if v == val then |
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115 return i |
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116 end |
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117 end |
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118 local n = #tbl + 1 |
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119 tbl[n] = val |
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120 return n |
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121 end |
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122 |
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123 |
503 | 124 function M.of(index) |
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125 |
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126 return function() |
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127 Io.stdout = Http.response.text_writer() |
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128 local query_string = Http.request.parameter.query |
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129 if query_string == nil then |
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130 form() |
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131 return |
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132 end |
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133 local query = load(query_string,"<query>",{query=index.query},true)() |
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134 local rows = Http.request.parameter.rows.to_number() |
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135 local sort = load(Http.request.parameter.sort,"<sort>",{sort=index.query.sort},true)() |
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136 index.Searcher( function(searcher) |
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137 local results, length, total_hits = searcher.search(query,rows,sort) |
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138 local headers = {} |
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139 local table = {} |
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140 for doc in results do |
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141 local row = {} |
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142 for field, value in pairs(doc) do |
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143 row[index_of(headers,field)] = value |
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144 end |
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145 table[#table+1] = row |
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146 end |
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147 result(query,sort,headers,table) |
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148 end ) |
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149 end |
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150 |
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151 end |
503 | 152 |
153 return M |