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https://github.com/silverstripe/silverstripe-mssql
synced 2024-10-22 08:05:53 +02:00
Basic search functionality included
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@ -65,6 +65,7 @@ class MSSQLDatabase extends Database {
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* Theoretically, you don't need to 'enable' it every time...
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*
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* TODO: make this a _config.php setting
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* TODO: VERY IMPORTANT: move this so it only gets called upon a dev/build action
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*/
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function createFullTextCatalog(){
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@ -542,7 +543,8 @@ class MSSQLDatabase extends Database {
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*/
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public function indexList($table) {
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$indexes=DB::query("EXEC sp_helpindex '$table';");
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$prefix = null;
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$prefix = '';
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foreach($indexes as $index) {
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@ -810,7 +812,7 @@ class MSSQLDatabase extends Database {
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* Returns the SQL command to get all the tables in this database
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*/
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function allTablesSQL(){
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return "SELECT name FROM $this->database..sysobjects WHERE xtype = 'U';";
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return "SELECT name FROM {$this->database}..sysobjects WHERE xtype = 'U';";
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}
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/**
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@ -948,6 +950,8 @@ class MSSQLDatabase extends Database {
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* The core search engine, used by this class and its subclasses to do fun stuff.
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* Searches both SiteTree and File.
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*
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* TODO: This is a really basic search system, provided purely so we have something...
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*
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* @param string $keywords Keywords as a string.
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*/
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public function searchEngine($classesToSearch, $keywords, $pageLength = null, $sortBy = "Relevance DESC", $extraFilter = "", $booleanSearch = false, $alternativeFileFilter = "", $invertedMatch = false) {
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@ -957,95 +961,24 @@ class MSSQLDatabase extends Database {
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//Get a list of all the tables and columns we'll be searching on:
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$tables=Array();
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foreach($result as $row){
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$tables[$row['TABLE_NAME']]=$row['FULLTEXT_COLUMN_NAME'];
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if(substr($row['TABLE_NAME'], -5)!='_Live' && substr($row['TABLE_NAME'], -9)!='_versions')
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$tables[]="SELECT ID, '{$row['TABLE_NAME']}' AS Source FROM \"{$row['TABLE_NAME']}\" WHERE CONTAINS(\"{$row['FULLTEXT_COLUMN_NAME']}\", N'$keywords')";
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}
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//We'll do a union query on all of these tables... it's easeier!
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$query=implode(' UNION ', $tables);
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$result=DB::query($query);
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/*if(!$pageLength) $pageLength = $this->pageLength;
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$fileFilter = '';
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$keywords = Convert::raw2sql($keywords);
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$htmlEntityKeywords = htmlentities($keywords);
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$extraFilters = array('SiteTree' => '', 'File' => '');
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if($booleanSearch) $boolean = "IN BOOLEAN MODE";
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if($extraFilter) {
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$extraFilters['SiteTree'] = " AND $extraFilter";
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if($alternativeFileFilter) $extraFilters['File'] = " AND $alternativeFileFilter";
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else $extraFilters['File'] = $extraFilters['SiteTree'];
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}
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if($this->showInSearchTurnOn) $extraFilters['SiteTree'] .= " AND showInSearch <> 0";
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$start = isset($_GET['start']) ? (int)$_GET['start'] : 0;
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$limit = $start . ", " . (int) $pageLength;
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$notMatch = $invertedMatch ? "NOT " : "";
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if($keywords) {
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$match['SiteTree'] = "
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MATCH (Title, MenuTitle, Content, MetaTitle, MetaDescription, MetaKeywords) AGAINST ('$keywords' $boolean)
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+ MATCH (Content) AGAINST ('$htmlEntityKeywords' $boolean)
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";
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$match['File'] = "MATCH (Filename, Title, Content) AGAINST ('$keywords' $boolean) AND ClassName = 'File'";
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// We make the relevance search by converting a boolean mode search into a normal one
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$relevanceKeywords = str_replace(array('*','+','-'),'',$keywords);
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$htmlEntityRelevanceKeywords = str_replace(array('*','+','-'),'',$htmlEntityKeywords);
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$relevance['SiteTree'] = "MATCH (Title) AGAINST ('$relevanceKeywords') + MATCH(Content) AGAINST ('$htmlEntityRelevanceKeywords') + MATCH (Title, MenuTitle, Content, MetaTitle, MetaDescription, MetaKeywords) AGAINST ('$relevanceKeywords')";
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$relevance['File'] = "MATCH (Filename, Title, Content) AGAINST ('$relevanceKeywords')";
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} else {
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$relevance['SiteTree'] = $relevance['File'] = 1;
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$match['SiteTree'] = $match['File'] = "1 = 1";
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$searchResults=new DataObjectSet();
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foreach($result as $row){
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$row_result=DataObject::get_by_id($row['Source'], $row['ID']);
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$searchResults->push($row_result);
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}
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// Generate initial queries and base table names
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$baseClasses = array('SiteTree' => '', 'File' => '');
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foreach($classesToSearch as $class) {
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$queries[$class] = singleton($class)->extendedSQL($notMatch . $match[$class] . $extraFilters[$class], "");
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$baseClasses[$class] = reset($queries[$class]->from);
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}
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$searchResults->setPageLimits($start, $pageLength, $totalCount);
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// Make column selection lists
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$select = array(
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'SiteTree' => array("ClassName","$baseClasses[SiteTree].ID","ParentID","Title","URLSegment","Content","LastEdited","Created","_utf8'' AS Filename", "_utf8'' AS Name", "$relevance[SiteTree] AS Relevance", "CanViewType"),
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'File' => array("ClassName","$baseClasses[File].ID","_utf8'' AS ParentID","Title","_utf8'' AS URLSegment","Content","LastEdited","Created","Filename","Name","$relevance[File] AS Relevance","NULL AS CanViewType"),
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);
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// Process queries
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foreach($classesToSearch as $class) {
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// There's no need to do all that joining
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$queries[$class]->from = array(str_replace('`','',$baseClasses[$class]) => $baseClasses[$class]);
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$queries[$class]->select = $select[$class];
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$queries[$class]->orderby = null;
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}
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// Combine queries
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$querySQLs = array();
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$totalCount = 0;
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foreach($queries as $query) {
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$querySQLs[] = $query->sql();
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$totalCount += $query->unlimitedRowCount();
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}
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$fullQuery = implode(" UNION ", $querySQLs) . " ORDER BY $sortBy LIMIT $limit";
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// Get records
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echo 'full query: ' . $fullQuery . '<br>';
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$records = DB::query($fullQuery);
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foreach($records as $record)
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$objects[] = new $record['ClassName']($record);
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if(isset($objects)) $doSet = new DataObjectSet($objects);
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else $doSet = new DataObjectSet();
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$doSet->setPageLimits($start, $pageLength, $totalCount);
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return $doSet;*/
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return $searchResults;
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}
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}
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