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1 <?php |
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2 // $Id: search.install,v 1.14.2.1 2009/01/06 15:46:37 goba Exp $ |
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3 |
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4 /** |
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5 * Implementation of hook_install(). |
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6 */ |
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7 function search_install() { |
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8 // Create tables. |
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9 drupal_install_schema('search'); |
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10 } |
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11 |
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12 /** |
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13 * Implementation of hook_uninstall(). |
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14 */ |
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15 function search_uninstall() { |
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16 // Remove tables. |
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17 drupal_uninstall_schema('search'); |
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18 |
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19 variable_del('minimum_word_size'); |
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20 variable_del('overlap_cjk'); |
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21 variable_del('search_cron_limit'); |
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22 } |
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23 |
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24 /** |
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25 * Implementation of hook_schema(). |
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26 */ |
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27 function search_schema() { |
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28 $schema['search_dataset'] = array( |
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29 'description' => 'Stores items that will be searched.', |
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30 'fields' => array( |
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31 'sid' => array( |
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32 'type' => 'int', |
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33 'unsigned' => TRUE, |
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34 'not null' => TRUE, |
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35 'default' => 0, |
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36 'description' => 'Search item ID, e.g. node ID for nodes.', |
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37 ), |
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38 'type' => array( |
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39 'type' => 'varchar', |
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40 'length' => 16, |
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41 'not null' => FALSE, |
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42 'description' => 'Type of item, e.g. node.', |
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43 ), |
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44 'data' => array( |
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45 'type' => 'text', |
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46 'not null' => TRUE, |
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47 'size' => 'big', |
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48 'description' => 'List of space-separated words from the item.', |
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49 ), |
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50 'reindex' => array( |
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51 'type' => 'int', |
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52 'unsigned' => TRUE, |
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53 'not null' => TRUE, |
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54 'default' => 0, |
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55 'description' => 'Set to force node reindexing.', |
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56 ), |
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57 ), |
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58 'unique keys' => array('sid_type' => array('sid', 'type')), |
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59 ); |
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60 |
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61 $schema['search_index'] = array( |
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62 'description' => 'Stores the search index, associating words, items and scores.', |
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63 'fields' => array( |
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64 'word' => array( |
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65 'type' => 'varchar', |
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66 'length' => 50, |
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67 'not null' => TRUE, |
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68 'default' => '', |
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69 'description' => 'The {search_total}.word that is associated with the search item.', |
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70 ), |
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71 'sid' => array( |
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72 'type' => 'int', |
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73 'unsigned' => TRUE, |
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74 'not null' => TRUE, |
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75 'default' => 0, |
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76 'description' => 'The {search_dataset}.sid of the searchable item to which the word belongs.', |
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77 ), |
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78 'type' => array( |
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79 'type' => 'varchar', |
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80 'length' => 16, |
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81 'not null' => FALSE, |
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82 'description' => 'The {search_dataset}.type of the searchable item to which the word belongs.', |
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83 ), |
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84 'score' => array( |
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85 'type' => 'float', |
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86 'not null' => FALSE, |
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87 'description' => 'The numeric score of the word, higher being more important.', |
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88 ), |
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89 ), |
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90 'indexes' => array( |
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91 'sid_type' => array('sid', 'type'), |
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92 'word' => array('word') |
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93 ), |
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94 'unique keys' => array('word_sid_type' => array('word', 'sid', 'type')), |
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95 ); |
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96 |
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97 $schema['search_total'] = array( |
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98 'description' => 'Stores search totals for words.', |
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99 'fields' => array( |
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100 'word' => array( |
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101 'description' => 'Primary Key: Unique word in the search index.', |
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102 'type' => 'varchar', |
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103 'length' => 50, |
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104 'not null' => TRUE, |
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105 'default' => '', |
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106 ), |
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107 'count' => array( |
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108 'description' => "The count of the word in the index using Zipf's law to equalize the probability distribution.", |
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109 'type' => 'float', |
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110 'not null' => FALSE, |
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111 ), |
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112 ), |
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113 'primary key' => array('word'), |
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114 ); |
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115 |
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116 $schema['search_node_links'] = array( |
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117 'description' => 'Stores items (like nodes) that link to other nodes, used to improve search scores for nodes that are frequently linked to.', |
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118 'fields' => array( |
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119 'sid' => array( |
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120 'type' => 'int', |
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121 'unsigned' => TRUE, |
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122 'not null' => TRUE, |
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123 'default' => 0, |
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124 'description' => 'The {search_dataset}.sid of the searchable item containing the link to the node.', |
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125 ), |
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126 'type' => array( |
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127 'type' => 'varchar', |
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128 'length' => 16, |
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129 'not null' => TRUE, |
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130 'default' => '', |
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131 'description' => 'The {search_dataset}.type of the searchable item containing the link to the node.', |
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132 ), |
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133 'nid' => array( |
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134 'type' => 'int', |
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135 'unsigned' => TRUE, |
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136 'not null' => TRUE, |
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137 'default' => 0, |
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138 'description' => 'The {node}.nid that this item links to.', |
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139 ), |
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140 'caption' => array( |
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141 'type' => 'text', |
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142 'size' => 'big', |
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143 'not null' => FALSE, |
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144 'description' => 'The text used to link to the {node}.nid.', |
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145 ), |
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146 ), |
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147 'primary key' => array('sid', 'type', 'nid'), |
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148 'indexes' => array('nid' => array('nid')), |
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149 ); |
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150 |
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151 return $schema; |
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152 } |
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153 |
