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Improve search invindex alteration performance
This will be especially noticable when using invindex-rebuild
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3 changed files with 18 additions and 16 deletions
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@ -3,6 +3,7 @@ This file holds the changelog for Pepperminty Wiki. This is the master list of t
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## v0.20-dev
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- Made `build.sh` build script more robust, especially when generating the documentation.
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- Improved search index update performance - especially when rebuilding the entire index through the master control panel
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## v0.19
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@ -95,7 +95,7 @@
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"version": "0.4.2",
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"author": "Starbeamrainbowlabs",
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"description": "Adds the ability to keep unlimited page history, limited only by your disk space. Note that this doesn't store file history (yet). Currently depends on feature-recent-changes for rendering of the history page.",
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"lastupdate": 1559400114,
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"lastupdate": 1565287856,
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"optional": false,
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"extra_data": []
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},
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@ -132,10 +132,10 @@
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{
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"id": "feature-search",
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"name": "Search",
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"version": "0.7.1",
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"version": "0.8",
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"author": "Starbeamrainbowlabs",
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"description": "Adds proper search functionality to Pepperminty Wiki using an inverted index to provide a full text search engine. If pages don't show up, then you might have hit a stop word. If not, try requesting the `invindex-rebuild` action to rebuild the inverted index from scratch.",
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"lastupdate": 1557653831,
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"lastupdate": 1565906705,
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"optional": false,
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"extra_data": []
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},
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@ -145,17 +145,17 @@
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"version": "0.2",
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"author": "Starbeamrainbowlabs",
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"description": "An extensible statistics calculation system. Comes with a range of built-in statistics, but can be extended by other modules too.",
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"lastupdate": 1530614499,
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"lastupdate": 1565741951,
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"optional": false,
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"extra_data": []
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},
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{
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"id": "feature-upload",
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"name": "Uploader",
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"version": "0.6",
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"version": "0.6.1",
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"author": "Starbeamrainbowlabs",
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"description": "Adds the ability to upload files to Pepperminty Wiki. Uploaded files act as pages and have the special 'File\/' prefix.",
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"lastupdate": 1559421090,
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"lastupdate": 1565906134,
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"optional": false,
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"extra_data": []
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},
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@ -215,7 +215,7 @@
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"version": "0.17.4",
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"author": "Starbeamrainbowlabs",
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"description": "Allows you to edit pages by adding the edit and save actions. You should probably include this one.",
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"lastupdate": 1559400186,
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"lastupdate": 1565287856,
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"optional": false,
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"extra_data": {
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"diff.min.js": "https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jsdiff\/2.2.2\/diff.min.js"
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@ -247,7 +247,7 @@
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"version": "0.11.1",
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"author": "Starbeamrainbowlabs",
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"description": "Adds a page that lists all the pages in the index along with their metadata.",
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"lastupdate": 1557182882,
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"lastupdate": 1565741951,
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"optional": false,
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"extra_data": []
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},
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@ -1,7 +1,7 @@
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<?php
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register_module([
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"name" => "Search",
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"version" => "0.7.1",
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"version" => "0.8",
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"author" => "Starbeamrainbowlabs",
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"description" => "Adds proper search functionality to Pepperminty Wiki using an inverted index to provide a full text search engine. If pages don't show up, then you might have hit a stop word. If not, try requesting the `invindex-rebuild` action to rebuild the inverted index from scratch.",
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"id" => "feature-search",
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@ -596,7 +596,7 @@ class search
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/**
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* Rebuilds the master inverted index and clears the page id index.
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* @param boolean $output Whether to send progress information to the user's browser.
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* @param bool $output Whether to send progress information to the user's browser.
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*/
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public static function rebuild_invindex($output = true)
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{
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@ -715,36 +715,37 @@ class search
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{
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// Remove all the subentries that were removed since last time
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foreach($removals as $nterm)
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{
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unset($invindex[$nterm][$pageid]);
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}
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// Merge all the new / changed index entries into the inverted index
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foreach($index as $nterm => $newentry)
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{
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foreach($index as $nterm => $newentry) {
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// If the nterm isn't in the inverted index, then create a space for it
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if(!isset($invindex[$nterm])) $invindex[$nterm] = [];
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$invindex[$nterm][$pageid] = $newentry;
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// Sort the page entries for this word by frequency
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/*
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uasort($invindex[$nterm], function($a, $b) {
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if($a["freq"] == $b["freq"]) return 0;
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return ($a["freq"] < $b["freq"]) ? +1 : -1;
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});
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*/
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}
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/*
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// Sort the inverted index by rank
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uasort($invindex, function($a, $b) {
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$ac = count($a); $bc = count($b);
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if($ac == $bc) return 0;
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return ($ac < $bc) ? +1 : -1;
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});
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*/
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}
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/**
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* Deletes the given pageid from the given pageindex.
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* @param inverted_index &$invindex The inverted index.
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* @param number $pageid The pageid to remove.
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* @param array &$invindex The inverted index.
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* @param int $pageid The pageid to remove.
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*/
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public static function delete_entry(&$invindex, $pageid)
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{
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