* Search engine hook base class for Mssql (ConText).
* @ingroup Search
*/
-class SearchMssql extends SearchEngine {
-
- /**
- * Creates an instance of this class
- * @param $db DatabaseMssql: database object
- */
- function __construct( $db ) {
- parent::__construct( $db );
- }
-
+class SearchMssql extends SearchDatabase {
/**
* Perform a full text search query and return a result set.
*
- * @param $term String: raw search term
- * @return MssqlSearchResultSet
+ * @param string $term Raw search term
+ * @return SqlSearchResultSet
* @access public
*/
function searchText( $term ) {
- $resultSet = $this->db->resultObject( $this->db->query( $this->getQuery( $this->filter( $term ), true ) ) );
- return new MssqlSearchResultSet( $resultSet, $this->searchTerms );
+ $resultSet = $this->db->query( $this->getQuery( $this->filter( $term ), true ) );
+ return new SqlSearchResultSet( $resultSet, $this->searchTerms );
}
/**
* Perform a title-only search query and return a result set.
*
- * @param $term String: raw search term
- * @return MssqlSearchResultSet
+ * @param string $term Raw search term
+ * @return SqlSearchResultSet
* @access public
*/
function searchTitle( $term ) {
- $resultSet = $this->db->resultObject( $this->db->query( $this->getQuery( $this->filter( $term ), false ) ) );
- return new MssqlSearchResultSet( $resultSet, $this->searchTerms );
- }
-
-
- /**
- * Return a partial WHERE clause to exclude redirects, if so set
- *
- * @return String
- * @private
- */
- function queryRedirect() {
- if ( $this->showRedirects ) {
- return '';
- } else {
- return 'AND page_is_redirect=0';
- }
+ $resultSet = $this->db->query( $this->getQuery( $this->filter( $term ), false ) );
+ return new SqlSearchResultSet( $resultSet, $this->searchTerms );
}
/**
* Return a partial WHERE clause to limit the search to the given namespaces
*
- * @return String
- * @private
+ * @return string
+ * @private
*/
function queryNamespaces() {
$namespaces = implode( ',', $this->namespaces );
/**
* Return a LIMIT clause to limit results on the query.
*
- * @return String
- * @private
+ * @param string $sql
+ *
+ * @return string
*/
function queryLimit( $sql ) {
return $this->db->limitResult( $sql, $this->limit, $this->offset );
* Does not do anything for generic search engine
* subclasses may define this though
*
- * @return String
- * @private
+ * @param string $filteredTerm
+ * @param bool $fulltext
+ * @return string
*/
function queryRanking( $filteredTerm, $fulltext ) {
return ' ORDER BY ftindex.[RANK] DESC'; // return ' ORDER BY score(1)';
* Construct the full SQL query to do the search.
* The guts shoulds be constructed in queryMain()
*
- * @param $filteredTerm String
- * @param $fulltext Boolean
- * @private
+ * @param string $filteredTerm
+ * @param bool $fulltext
+ * @return string
*/
function getQuery( $filteredTerm, $fulltext ) {
return $this->queryLimit( $this->queryMain( $filteredTerm, $fulltext ) . ' ' .
- $this->queryRedirect() . ' ' .
$this->queryNamespaces() . ' ' .
$this->queryRanking( $filteredTerm, $fulltext ) . ' ' );
}
-
/**
* Picks which field to index on, depending on what type of query.
*
- * @param $fulltext Boolean
+ * @param bool $fulltext
* @return string
*/
function getIndexField( $fulltext ) {
/**
* Get the base part of the search query.
*
- * @param $filteredTerm String
- * @param $fulltext Boolean
- * @return String
+ * @param string $filteredTerm
+ * @param bool $fulltext
+ * @return string
* @private
*/
function queryMain( $filteredTerm, $fulltext ) {
$match = $this->parseQuery( $filteredTerm, $fulltext );
- $page = $this->db->tableName( 'page' );
+ $page = $this->db->tableName( 'page' );
$searchindex = $this->db->tableName( 'searchindex' );
-
+
return 'SELECT page_id, page_namespace, page_title, ftindex.[RANK]' .
"FROM $page,FREETEXTTABLE($searchindex , $match, LANGUAGE 'English') as ftindex " .
'WHERE page_id=ftindex.[KEY] ';
}
- /** @todo document */
+ /** @todo document
+ * @param string $filteredText
+ * @param bool $fulltext
+ * @return string
+ */
function parseQuery( $filteredText, $fulltext ) {
global $wgContLang;
- $lc = SearchEngine::legalSearchChars();
- $this->searchTerms = array();
+ $lc = $this->legalSearchChars( self::CHARS_NO_SYNTAX );
+ $this->searchTerms = [];
- # FIXME: This doesn't handle parenthetical expressions.
- $m = array();
- $q = array();
+ # @todo FIXME: This doesn't handle parenthetical expressions.
+ $m = [];
+ $q = [];
if ( preg_match_all( '/([-+<>~]?)(([' . $lc . ']+)(\*?)|"[^"]*")/',
$filteredText, $m, PREG_SET_ORDER ) ) {
if ( !empty( $terms[3] ) ) {
$regexp = preg_quote( $terms[3], '/' );
- if ( $terms[4] )
+ if ( $terms[4] ) {
$regexp .= "[0-9A-Za-z_]+";
+ }
} else {
$regexp = preg_quote( str_replace( '"', '', $terms[2] ), '/' );
}
}
}
- $searchon = $this->db->strencode( join( ',', $q ) );
+ $searchon = $this->db->addQuotes( implode( ',', $q ) );
$field = $this->getIndexField( $fulltext );
- return "$field, '$searchon'";
+ return "$field, $searchon";
}
/**
* Create or update the search index record for the given page.
* Title and text should be pre-processed.
*
- * @param $id Integer
- * @param $title String
- * @param $text String
+ * @param int $id
+ * @param string $title
+ * @param string $text
+ * @return bool|ResultWrapper
*/
function update( $id, $title, $text ) {
// We store the column data as UTF-8 byte order marked binary stream
- // because we are invoking the plain text IFilter on it so that, and we want it
+ // because we are invoking the plain text IFilter on it so that, and we want it
// to properly decode the stream as UTF-8. SQL doesn't support UTF8 as a data type
// but the indexer will correctly handle it by this method. Since all we are doing
// is passing this data to the indexer and never retrieving it via PHP, this will save space
* Update a search index record's title only.
* Title should be pre-processed.
*
- * @param $id Integer
- * @param $title String
+ * @param int $id
+ * @param string $title
+ * @return bool|ResultWrapper
*/
function updateTitle( $id, $title ) {
$table = $this->db->tableName( 'searchindex' );
return $this->db->query( $sql, 'SearchMssql::updateTitle' );
}
}
-
-/**
- * @ingroup Search
- */
-class MssqlSearchResultSet extends SearchResultSet {
- function __construct( $resultSet, $terms ) {
- $this->mResultSet = $resultSet;
- $this->mTerms = $terms;
- }
-
- function termMatches() {
- return $this->mTerms;
- }
-
- function numRows() {
- return $this->mResultSet->numRows();
- }
-
- function next() {
- $row = $this->mResultSet->fetchObject();
- if ( $row === false )
- return false;
- return new SearchResult( $row );
- }
-}
-
-
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