MediaWiki.ProjectWillow.from70030.c.diff
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	• bzimport
	Nov 21 2014, 10:56 PM

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MediaWiki.ProjectWillow.from70030.c.diff
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	diff --git a/config/Installer.php b/config/Installer.php
	index 690268f..07883e8 100644
	--- a/config/Installer.php
	+++ b/config/Installer.php
	@@ -83,6 +83,15 @@ $ourdb['sqlite'] = array(
	'serverless' => true
	);

	+$ourdb['mssqlnative'] = array(
	+ 'fullname' => 'MS SQL Server (Native)',
	+ 'havedriver' => 0,
	+ 'compile' => 'sqlsrv',
	+ 'bgcolor' => '#cccccc',
	+ 'rootuser' => 'root',
	+ 'serverless' => false
	+);
	+
	$ourdb['ibm_db2'] = array(
	'fullname' => 'DB2',
	'havedriver' => 0,
	@@ -906,6 +915,44 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {

	if( !$ok ) { continue; }
	}
	+ else if ( $conf->DBtype == 'mssqlnative' ) {
	+ error_reporting( E_ALL );
	+ $wgSuperUser = '';
	+ # # Possible connect as a superuser
	+ if ( $useRoot ) {
	+ $wgDBsuperuser = $conf->RootUser;
	+ echo( "<li>Attempting to connect to database \"{$conf->DBtype}\" as superuser \"{$wgDBsuperuser}\"" );
	+ $wgDatabase = $dbc->newFromParams(
	+ $conf->DBserver,
	+ $conf->RootUser,
	+ $conf->RootPW,
	+ false,
	+ false,
	+ 1
	+ );
	+ if ( !$wgDatabase->isOpen() ) {
	+ echo( " error: {$wgDatabase->lastError()}</li>\n" );
	+ $errs['DBserver'] = 'Could not connect to database as superuser';
	+ $errs['RootUser'] = 'Check username';
	+ $errs['RootPW'] = 'and password';
	+ continue;
	+ }
	+ $wgDatabase->initial_setup( $conf->RootPW, $conf->DBtype );
	+ }
	+ echo( "<li>Attempting to connect to database \"{$wgDBname}\" as \"{$wgDBuser}\"..." );
	+ $wgDatabase = $dbc->newFromParams(
	+ $conf->DBserver,
	+ $conf->DBuser,
	+ $conf->DBpassword,
	+ $conf->DBname,
	+ 1
	+ );
	+ if ( !$wgDatabase->isOpen() ) {
	+ echo( " error: {$wgDatabase->lastError()} </li>\n" );
	+ } else {
	+ $myver = $wgDatabase->getServerVersion();
	+ }
	+ }
	else if( $conf->DBtype == 'ibm_db2' ) {
	if( $useRoot ) {
	$db_user = $conf->RootUser;
	@@ -1655,6 +1702,13 @@ if( count( $errs ) ) {
	</div>
	</fieldset>

	+
	+ <?php database_switcher( 'mssqlnative' ); ?>
	+ <div class="config-desc">
	+ <p>No MS SQL Server specific options at this time.</p>
	+ </div>
	+
	+
	<?php database_switcher('ibm_db2'); ?>
	<div class="config-input"><?php
	aField( $conf, "DBport_db2", "Database port:" );
	diff --git a/includes/AutoLoader.php b/includes/AutoLoader.php
	index f3110b8..d61023d 100644
	--- a/includes/AutoLoader.php
	+++ b/includes/AutoLoader.php
	@@ -342,6 +342,7 @@ $wgAutoloadLocalClasses = array(
	'ChronologyProtector' => 'includes/db/LBFactory.php',
	'Database' => 'includes/db/DatabaseMysql.php',
	'DatabaseBase' => 'includes/db/Database.php',
	+ 'DatabaseMssqlNative' => 'includes/db/DatabaseMssqlNative.php',
	'DatabaseMysql' => 'includes/db/DatabaseMysql.php',
	'DatabaseOracle' => 'includes/db/DatabaseOracle.php',
	'DatabasePostgres' => 'includes/db/DatabasePostgres.php',
	@@ -510,6 +511,7 @@ $wgAutoloadLocalClasses = array(
	'SearchEngine' => 'includes/search/SearchEngine.php',
	'SearchHighlighter' => 'includes/search/SearchEngine.php',
	'SearchIBM_DB2' => 'includes/search/SearchIBM_DB2.php',
	+ 'SearchMssqlNative' => 'includes/search/SearchMssqlNative.php',
	'SearchMySQL4' => 'includes/search/SearchMySQL4.php',
	'SearchMySQL' => 'includes/search/SearchMySQL.php',
	'SearchOracle' => 'includes/search/SearchOracle.php',
	diff --git a/includes/Block.php b/includes/Block.php
	index de01555..175e2a5 100644
	--- a/includes/Block.php
	+++ b/includes/Block.php
	@@ -857,6 +857,16 @@ class Block {
	public static function infinity() {
	# This is a special keyword for timestamps in PostgreSQL, and
	# works with CHAR(14) as well because "i" sorts after all numbers.
	+
	+ # BEGIN DatabaseMssqlNative hack
	+ # Since MSSQL doesn't recognize the infinity keyword, set date manually.
	+ # TO-DO: Refactor for better DB portability and remove magic date
	+ $dbw = wfGetDB( DB_MASTER );
	+ if ( $dbw instanceof DatabaseMssqlNative ) {
	+ return '3000-01-31 00:00:00.000';
	+ }
	+ # End DatabaseMssqlNative hack
	+
	return 'infinity';
	}

	diff --git a/includes/db/Database.php b/includes/db/Database.php
	index 6c065b8..9abe0a5 100644
	--- a/includes/db/Database.php
	+++ b/includes/db/Database.php
	@@ -1871,11 +1871,11 @@ abstract class DatabaseBase {
	} while( $this->wasDeadlock() && --$tries > 0 );
	$this->ignoreErrors( $oldIgnore );
	if ( $tries <= 0 ) {
	- $this->query( 'ROLLBACK', $myFname );
	+ $this->rollback( $myFname );
	$this->reportQueryError( $error, $errno, $sql, $fname );
	return false;
	} else {
	- $this->query( 'COMMIT', $myFname );
	+ $this->commit( $myFname );
	return $retVal;
	}
	}
	diff --git a/includes/db/DatabaseMssqlNative.php b/includes/db/DatabaseMssqlNative.php
	new file mode 100644
	index 0000000..349bcb9
	--- /dev/null
	+++ b/includes/db/DatabaseMssqlNative.php
	@@ -0,0 +1,1238 @@
	+<?php
	+
	+/**
	+ * This is the MS SQL Server Native database abstraction layer.
	+ *
	+ * @addtogroup Database
	+ * @author Joel Penner <a-joelpe at microsoft dot com>
	+ * @author Chris Pucci <a-cpucci at microsoft dot com>
	+ * @author Ryan Biesemeyer <v-ryanbi at microsoft dot com>
	+ */
	+
	+/**
	+ * @addtogroup Database
	+ */
	+class DatabaseMssqlNative extends DatabaseBase {
	+ var $mInsertId = NULL;
	+ var $mLastResult = NULL;
	+ var $mAffectedRows = NULL;
	+
	+ function DatabaseMssqlNative( $server = false, $user = false, $password = false, $dbName = false,
	+ $failFunction = false, $flags = 0 )
	+ {
	+ $this->mFailFunction = $failFunction;
	+ $this->mFlags = $flags;
	+ $this->open( $server, $user, $password, $dbName );
	+
	+ }
	+
	+ function cascadingDeletes() {
	+ return true;
	+ }
	+ function cleanupTriggers() {
	+ return true;
	+ }
	+ function strictIPs() {
	+ return true;
	+ }
	+ function realTimestamps() {
	+ return true;
	+ }
	+ function implicitGroupby() {
	+ return false;
	+ }
	+ function implicitOrderby() {
	+ return false;
	+ }
	+ function functionalIndexes() {
	+ return true;
	+ }
	+ function unionSupportsOrderAndLimit() {
	+ return false;
	+ }
	+
	+ static function newFromParams( $server, $user, $password, $dbName, $failFunction = false, $flags = 0 )
	+ {
	+ return new DatabaseMssqlNative( $server, $user, $password, $dbName, $failFunction, $flags );
	+ }
	+
	+ /**
	+ * Usually aborts on failure
	+ * If the failFunction is set to a non-zero integer, returns success
	+ */
	+ function open( $server, $user, $password, $dbName ) {
	+ # Test for driver support, to avoid suppressed fatal error
	+ if ( !function_exists( 'sqlsrv_connect' ) ) {
	+ throw new DBConnectionError( $this, "MS Sql Server Native (sqlsrv) functions missing. You can download the driver from: http://go.microsoft.com/fwlink/?LinkId=123470\n" );
	+ }
	+
	+ global $wgDBport;
	+
	+ if ( !strlen( $user ) ) { # # e.g. the class is being loaded
	+ return;
	+ }
	+
	+ $this->close();
	+ $this->mServer = $server;
	+ $this->mPort = $port = $wgDBport;
	+ $this->mUser = $user;
	+ $this->mPassword = $password;
	+ $this->mDBname = $dbName;
	+
	+ $connectionInfo = array();
	+
	+ if( $dbName ) {
	+ $connectionInfo['Database'] = $dbName;
	+ }
	+
	+ // Start NT Auth Hack
	+ // Quick and dirty work around to provide NT Auth designation support.
	+ // Current solution requires installer to know to input 'ntauth' for both username and password
	+ // to trigger connection via NT Auth. - ugly, ugly, ugly
	+ // TO-DO: Make this better and add NT Auth choice to MW installer when SQL Server option is chosen.
	+ $ntAuthUserTest = strtolower( $user );
	+ $ntAuthPassTest = strtolower( $password );
	+
	+ // Decide which auth scenerio to use
	+ if( ( $ntAuthPassTest == 'ntauth' && $ntAuthUserTest == 'ntauth' ) ){
	+ // Don't add credentials to $connectionInfo
	+ } else {
	+ $connectionInfo['UID'] = $user;
	+ $connectionInfo['PWD'] = $password;
	+ }
	+ // End NT Auth Hack
	+
	+ $this->mConn = @sqlsrv_connect( $server, $connectionInfo );
	+
	+ if ( $this->mConn === false ) {
	+ wfDebug( "DB connection error\n" );
	+ wfDebug( "Server: $server, Database: $dbName, User: $user, Password: " . substr( $password, 0, 3 ) . "...\n" );
	+ wfDebug( $this->lastError() . "\n" );
	+ return false;
	+ }
	+
	+ $this->mOpened = true;
	+ return $this->mConn;
	+ }
	+
	+ /**
	+ * Closes a database connection, if it is open
	+ * Returns success, true if already closed
	+ */
	+ function close() {
	+ $this->mOpened = false;
	+ if ( $this->mConn ) {
	+ return sqlsrv_close( $this->mConn );
	+ } else {
	+ return true;
	+ }
	+ }
	+
	+ function doQuery( $sql ) {
	+ wfDebug( "SQL: [$sql]\n" );
	+ $this->offset = 0;
	+
	+ // several extensions seem to think that all databases support limits via LIMIT N after the WHERE clause
	+ // well, MSSQL uses SELECT TOP N, so to catch any of those extensions we'll do a quick check for a LIMIT
	+ // clause and pass $sql through $this->LimitToTopN() which parses the limit clause and passes the result to
	+ // $this->limitResult();
	+ if ( preg_match( '/\bLIMIT\s*/i', $sql ) ) {
	+ // massage LIMIT -> TopN
	+ $sql = $this->LimitToTopN( $sql ) ;
	+ }
	+
	+ // MSSQL doesn't have EXTRACT(epoch FROM XXX)
	+ if ( preg_match('#\bEXTRACT\s?\(\s?EPOCH\s+FROM\b#i', $sql, $matches ) ) {
	+ // This is same as UNIX_TIMESTAMP, we need to calc # of seconds from 1970
	+ $sql = str_replace( $matches[0], "DATEDIFF(s,CONVERT(datetime,'1/1/1970'),", $sql );
	+ }
	+
	+ // perform query
	+ $stmt = sqlsrv_query( $this->mConn, $sql );
	+ if ( $stmt == false ) {
	+ $message = "A database error has occurred\n" .
	+ "Query: " . htmlentities( $sql ) . "\n" .
	+ "Function: " . __FUNCTION__ . "\n";
	+ // process each error (our driver will give us an array of errors unlike other providers)
	+ foreach ( sqlsrv_errors() as $error ) {
	+ $message .= $message . "ERROR[" . $error['code'] . "] " . $error['message'] . "\n";
	+ }
	+
	+ throw new DBUnexpectedError( $this, $message );
	+ }
	+ // remember number of rows affected
	+ $this->mAffectedRows = sqlsrv_rows_affected( $stmt );
	+
	+ // if it is a SELECT statement, or an insert with a request to output something we want to return a row.
	+ if ( ( preg_match( '#\bSELECT\s#i', $sql ) ) \|\|
	+ ( preg_match( '#\bINSERT\s#i', $sql ) && preg_match( '#\bOUTPUT\s+INSERTED\b#i', $sql ) ) ) {
	+ // this is essentially a rowset, but Mediawiki calls these 'result'
	+ // the rowset owns freeing the statement
	+ $res = new MssqlResult( $stmt );
	+ } else {
	+ // otherwise we simply return it was successful, failure throws an exception
	+ $res = true;
	+ }
	+ return $res;
	+ }
	+
	+ function freeResult( $res ) {
	+ if ( $res instanceof ResultWrapper ) {
	+ $res = $res->result;
	+ }
	+ $res->free();
	+ }
	+
	+ function fetchObject( $res ) {
	+ if ( $res instanceof ResultWrapper ) {
	+ $res = $res->result;
	+ }
	+ $row = $res->fetch( 'OBJECT' );
	+ return $row;
	+ }
	+
	+ function getErrors() {
	+ $strRet = '';
	+ $retErrors = sqlsrv_errors( SQLSRV_ERR_ALL );
	+ if ( $retErrors != null ) {
	+ foreach ( $retErrors as $arrError ) {
	+ $strRet .= "SQLState: " . $arrError[ 'SQLSTATE'] . "\n";
	+ $strRet .= "Error Code: " . $arrError[ 'code'] . "\n";
	+ $strRet .= "Message: " . $arrError[ 'message'] . "\n";
	+ }
	+ } else {
	+ $strRet = "No errors found";
	+ }
	+ return $strRet;
	+ }
	+
	+ function fetchRow( $res ) {
	+ if ( $res instanceof ResultWrapper ) {
	+ $res = $res->result;
	+ }
	+ $row = $res->fetch( SQLSRV_FETCH_BOTH );
	+ return $row;
	+ }
	+
	+ function numRows( $res ) {
	+ if ( $res instanceof ResultWrapper ) {
	+ $res = $res->result;
	+ }
	+ return ( $res ) ? $res->numrows() : 0;
	+ }
	+
	+ function numFields( $res ) {
	+ if ( $res instanceof ResultWrapper ) {
	+ $res = $res->result;
	+ }
	+ return ( $res ) ? $res->numfields() : 0;
	+ }
	+
	+ function fieldName( $res, $n ) {
	+ if ( $res instanceof ResultWrapper ) {
	+ $res = $res->result;
	+ }
	+ return ( $res ) ? $res->fieldname( $n ) : 0;
	+ }
	+
	+ /**
	+ * This must be called after nextSequenceVal
	+ */
	+ function insertId() {
	+ return $this->mInsertId;
	+ }
	+
	+ function dataSeek( $res, $row ) {
	+ if ( $res instanceof ResultWrapper ) {
	+ $res = $res->result;
	+ }
	+ return ( $res ) ? $res->seek( $row ) : false;
	+ }
	+
	+ function lastError() {
	+ if ( $this->mConn ) {
	+ return $this->getErrors();
	+ }
	+ else {
	+ return "No database connection";
	+ }
	+ }
	+
	+ function lastErrno() {
	+ $err = sqlsrv_errors( SQLSRV_ERR_ALL );
	+ if ( $err[0] ) return $err[0]['code'];
	+ else return 0;
	+ }
	+
	+ function affectedRows() {
	+ return $this->mAffectedRows;
	+ }
	+
	+ /**
	+ * SELECT wrapper
	+ *
	+ * @param mixed $table Array or string, table name(s) (prefix auto-added)
	+ * @param mixed $vars Array or string, field name(s) to be retrieved
	+ * @param mixed $conds Array or string, condition(s) for WHERE
	+ * @param string $fname Calling function name (use __METHOD__) for logs/profiling
	+ * @param array $options Associative array of options (e.g. array('GROUP BY' => 'page_title')),
	+ * see Database::makeSelectOptions code for list of supported stuff
	+ * @param $join_conds Array: Associative array of table join conditions (optional)
	+ * (e.g. array( 'page' => array('LEFT JOIN','page_latest=rev_id') )
	+ * @return mixed Database result resource (feed to Database::fetchObject or whatever), or false on failure
	+ */
	+ function select( $table, $vars, $conds = '', $fname = 'Database::select', $options = array(), $join_conds = array() )
	+ {
	+ $sql = $this->selectSQLText( $table, $vars, $conds, $fname, $options, $join_conds );
	+ if ( isset( $options['EXPLAIN'] ) ) {
	+ sqlsrv_query( $this->mConn, "SET SHOWPLAN_ALL ON;" );
	+ return $this->query( $sql, $fname );
	+ sqlsrv_query( $this->mConn, "SET SHOWPLAN_ALL OFF;" );
	+ }
	+ return $this->query( $sql, $fname );
	+ }
	+
	+ /**
	+ * SELECT wrapper
	+ *
	+ * @param $table Mixed: Array or string, table name(s) (prefix auto-added)
	+ * @param $vars Mixed: Array or string, field name(s) to be retrieved
	+ * @param $conds Mixed: Array or string, condition(s) for WHERE
	+ * @param $fname String: Calling function name (use __METHOD__) for logs/profiling
	+ * @param $options Array: Associative array of options (e.g. array('GROUP BY' => 'page_title')),
	+ * see Database::makeSelectOptions code for list of supported stuff
	+ * @param $join_conds Array: Associative array of table join conditions (optional)
	+ * (e.g. array( 'page' => array('LEFT JOIN','page_latest=rev_id') )
	+ * @return string, the SQL text
	+ */
	+ function selectSQLText( $table, $vars, $conds = '', $fname = 'Database::select', $options = array(), $join_conds = array() ) {
	+ if ( isset( $options['EXPLAIN'] ) ) {
	+ unset( $options['EXPLAIN'] );
	+ }
	+ return parent::selectSQLText( $table, $vars, $conds, $fname, $options, $join_conds );
	+ }
	+
	+ /**
	+ * Estimate rows in dataset
	+ * Returns estimated count, based on SHOWPLAN_ALL output
	+ * This is not necessarily an accurate estimate, so use sparingly
	+ * Returns -1 if count cannot be found
	+ * Takes same arguments as Database::select()
	+ */
	+ function estimateRowCount( $table, $vars = '*', $conds = '', $fname = 'Database::estimateRowCount', $options = array() ) {
	+ $options['EXPLAIN'] = true;// http://msdn2.microsoft.com/en-us/library/aa259203.aspx
	+ $res = $this->select( $table, $vars, $conds, $fname, $options );
	+
	+ $rows = -1;
	+ if ( $res ) {
	+ $row = $this->fetchRow( $res );
	+ if ( isset( $row['EstimateRows'] ) ) $rows = $row['EstimateRows'];
	+ $this->freeResult( $res );
	+ }
	+ return $rows;
	+ }
	+
	+
	+ /**
	+ * Returns information about an index
	+ * If errors are explicitly ignored, returns NULL on failure
	+ */
	+ function indexInfo( $table, $index, $fname = 'Database::indexExists' ) {
	+ # This does not return the same info as MYSQL would, but that's OK because MediaWiki never uses the
	+ # returned value except to check for the existance of indexes.
	+ $sql = "sp_helpindex '" . $table . "'";
	+ $res = $this->query( $sql, $fname );
	+ if ( !$res ) {
	+ return NULL;
	+ }
	+
	+ $result = array();
	+ while ( $row = $res->FetchNextObj() ) {
	+ if ( $row->index_name == $index ) {
	+ $row->Non_unique = !stristr( $row->index_description, "unique" );
	+ $cols = explode( ", ", $row->index_keys );
	+ foreach ( $cols as $col ) {
	+ $row->Column_name = trim( $col );
	+ $result[] = clone $row;
	+ }
	+ } else if ( $index == 'PRIMARY' && stristr( $row->index_description, 'PRIMARY' ) ) {
	+ $row->Non_unique = 0;
	+ $cols = explode( ", ", $row->index_keys );
	+ foreach ( $cols as $col ) {
	+ $row->Column_name = trim( $col );
	+ $result[] = clone $row;
	+ }
	+ }
	+ }
	+ return empty( $result ) ? false : $result;
	+ }
	+
	+ /**
	+ * INSERT wrapper, inserts an array into a table
	+ *
	+ * $arrToInsert may be a single associative array, or an array of these with numeric keys, for
	+ * multi-row insert.
	+ *
	+ * Usually aborts on failure
	+ * If errors are explicitly ignored, returns success
	+ */
	+ function insert( $table, $arrToInsert, $fname = 'Database::insert', $options = array() ) {
	+ # No rows to insert, easy just return now
	+ if ( !count( $arrToInsert ) ) {
	+ return true;
	+ }
	+
	+ if ( !is_array( $options ) ) {
	+ $options = array( $options );
	+ }
	+
	+ $table = $this->tableName( $table );
	+
	+ if ( !( isset( $arrToInsert[0] ) && is_array( $arrToInsert[0] ) ) ) {// Not multi row
	+ $arrToInsert = array( 0 => $arrToInsert );// make everything multi row compatible
	+ }
	+
	+ $allOk = true;
	+
	+
	+ // We know the table we're inserting into, get its identity column
	+ $identity = null;
	+ $tableRaw = preg_replace( '#\[([^\]]*)\]#', '$1', $table ); // strip matching square brackets from table name
	+ $res = $this->doQuery( "SELECT NAME AS idColumn FROM SYS.IDENTITY_COLUMNS WHERE OBJECT_NAME(OBJECT_ID)='{$tableRaw}'" );
	+ if( $res && $res->numrows() ){
	+ // There is an identity for this table.
	+ $identity = array_pop( $res->fetch( SQLSRV_FETCH_ASSOC ) );
	+ }
	+ unset( $res );
	+
	+ foreach ( $arrToInsert as $blah => $a ) {
	+ // start out with empty identity column, this is so we can return it as a result of the insert logic
	+ $sqlPre = '';
	+ $sqlPost = '';
	+ $identityClause = '';
	+
	+ // if we have an identity column
	+ if( $identity ) {
	+ // iterate through
	+ foreach ($a as $k => $v ) {
	+ if ( $k == $identity ) {
	+ if( !is_null($v) ){
	+ // there is a value being passed to us, we need to turn on and off inserted identity
	+ $sqlPre = "SET IDENTITY_INSERT $table ON;" ;
	+ $sqlPost = ";SET IDENTITY_INSERT $table OFF;";
	+
	+ } else {
	+ // we can't insert NULL into an identity column, so remove the column from the insert.
	+ unset( $a[$k] );
	+ }
	+ }
	+ }
	+ $identityClause = "OUTPUT INSERTED.$identity "; // we want to output an identity column as result
	+ }
	+
	+ $keys = array_keys( $a );
	+
	+
	+ // INSERT IGNORE is not supported by SQL Server
	+ // remove IGNORE from options list and set ignore flag to true
	+ $ignoreClause = false;
	+ foreach ( $options as $k => $v ) {
	+ if ( strtoupper( $v ) == "IGNORE" ) {
	+ unset( $options[$k] );
	+ $ignoreClause = true;
	+ }
	+ }
	+
	+ // translate MySQL INSERT IGNORE to something SQL Server can use
	+ // example:
	+ // MySQL: INSERT IGNORE INTO user_groups (ug_user,ug_group) VALUES ('1','sysop')
	+ // MSSQL: IF NOT EXISTS (SELECT * FROM user_groups WHERE ug_user = '1') INSERT INTO user_groups (ug_user,ug_group) VALUES ('1','sysop')
	+ if ( $ignoreClause == true ) {
	+ $prival = $a[$keys[0]];
	+ $sqlPre .= "IF NOT EXISTS (SELECT * FROM $table WHERE $keys[0] = '$prival')";
	+ }
	+
	+ // Build the actual query
	+ $sql = $sqlPre . 'INSERT ' . implode( ' ', $options ) .
	+ " INTO $table (" . implode( ',', $keys ) . ") $identityClause VALUES (";
	+
	+ $first = true;
	+ foreach ( $a as $key => $value ) {
	+ if ( $first ) {
	+ $first = false;
	+ } else {
	+ $sql .= ',';
	+ }
	+ if ( is_string( $value ) ) {
	+ $sql .= $this->quote_ident( $value );
	+ } elseif ( is_null( $value ) ) {
	+ $sql .= 'null';
	+ } elseif ( is_array( $value ) \|\| is_object( $value ) ) {
	+ if ( is_object( $value ) && strtolower( get_class( $value ) ) == 'blob' ) {
	+ $sql .= $this->quote_ident( $value->fetch() );
	+ } else {
	+ $sql .= $this->quote_ident( serialize( $value ) );
	+ }
	+ } else {
	+ $sql .= $value;
	+ }
	+ }
	+ $sql .= ')' . $sqlPost;
	+
	+ // Run the query
	+ $ret = sqlsrv_query( $this->mConn, $sql );
	+
	+ if ( $ret === false ) {
	+ throw new DBQueryError( $this, $this->getErrors(), $this->lastErrno(), $sql, $fname );
	+ } elseif ( $ret != NULL ) {
	+ // remember number of rows affected
	+ $this->mAffectedRows = sqlsrv_rows_affected( $ret );
	+ if ( !is_null($identity) ) {
	+ // then we want to get the identity column value we were assigned and save it off
	+ $row = sqlsrv_fetch_object( $ret );
	+ $this->mInsertId = $row->$identity;
	+ }
	+ sqlsrv_free_stmt( $ret );
	+ continue;
	+ }
	+ $allOk = false;
	+ }
	+ return $allOk;
	+ }
	+
	+ /**
	+ * INSERT SELECT wrapper
	+ * $varMap must be an associative array of the form array( 'dest1' => 'source1', ...)
	+ * Source items may be literals rather than field names, but strings should be quoted with Database::addQuotes()
	+ * $conds may be "*" to copy the whole table
	+ * srcTable may be an array of tables.
	+ */
	+ function insertSelect( $destTable, $srcTable, $varMap, $conds, $fname = 'Database::insertSelect',
	+ $insertOptions = array(), $selectOptions = array() )
	+ {
	+ $ret = parent::insertSelect( $destTable, $srcTable, $varMap, $conds, $fname, insertOptions, $selectOptions );
	+
	+ if ( $ret === false ) {
	+ throw new DBQueryError( $this, $this->getErrors(), $this->lastErrno(), $sql, $fname );
	+ } elseif ( $ret != NULL ) {
	+ // remember number of rows affected
	+ $this->mAffectedRows = sqlsrv_rows_affected( $ret );
	+ return $ret;
	+ }
	+ return NULL;
	+ }
	+
	+ /**
	+ * Format a table name ready for use in constructing an SQL query
	+ *
	+ * This does two important things: it brackets table names which as necessary,
	+ * and it adds a table prefix if there is one.
	+ *
	+ * All functions of this object which require a table name call this function
	+ * themselves. Pass the canonical name to such functions. This is only needed
	+ * when calling query() directly.
	+ *
	+ * @param string $name database table name
	+ */
	+ function tableName( $name ) {
	+ global $wgSharedDB;
	+ # Skip quoted literals
	+ if ( $name != '' && $name { 0 } != '[' ) {
	+ if ( $this->mTablePrefix !== '' && strpos( '.', $name ) === false ) {
	+ $name = "{$this->mTablePrefix}$name";
	+ }
	+ if ( isset( $wgSharedDB ) && "{$this->mTablePrefix}user" == $name ) {
	+ $name = "[$wgSharedDB].[$name]";
	+ } else {
	+ # Standard quoting
	+ if ( $name != '' ) $name = "[$name]";
	+ }
	+ }
	+ return $name;
	+ }
	+
	+ /**
	+ * Return the next in a sequence, save the value for retrieval via insertId()
	+ */
	+ function nextSequenceValue( $seqName ) {
	+ if ( !$this->tableExists( 'sequence_' . $seqName ) ) {
	+ $ret = sqlsrv_query( $this->mConn, "CREATE TABLE [sequence_$seqName] (id INT NOT NULL IDENTITY PRIMARY KEY, junk varchar(10) NULL)" );
	+ }
	+ $ret = sqlsrv_query( $this->mConn, "INSERT INTO [sequence_$seqName] (junk) VALUES ('')" );
	+ $ret = sqlsrv_query( $this->mConn, "SELECT TOP 1 id FROM [sequence_$seqName] ORDER BY id DESC" );
	+ $row = sqlsrv_fetch_array( $ret, SQLSRV_FETCH_ASSOC );// KEEP ASSOC THERE, weird weird bug dealing with the return value if you don't
	+
	+ sqlsrv_free_stmt( $ret );
	+ $this->mInsertId = $row['id'];
	+ return $row['id'];
	+ }
	+
	+ /**
	+ * Return the current value of a sequence. Assumes it has ben nextval'ed in this session.
	+ */
	+ function currentSequenceValue( $seqName ) {
	+ $ret = sqlsrv_query( $this->mConn, "SELECT TOP 1 id FROM [sequence_$seqName] ORDER BY id DESC" );
	+ if ( $ret !== false ) {
	+ $row = sqlsrv_fetch_array( $ret );
	+ sqlsrv_free_stmt( $ret );
	+ return $row['id'];
	+ } else {
	+ return $this->nextSequenceValue( $seqName );
	+ }
	+ }
	+
	+
	+ # REPLACE query wrapper
	+ # MSSQL simulates this with a DELETE followed by INSERT
	+ # $row is the row to insert, an associative array
	+ # $uniqueIndexes is an array of indexes. Each element may be either a
	+ # field name or an array of field names
	+ #
	+ # It may be more efficient to leave off unique indexes which are unlikely to collide.
	+ # However if you do this, you run the risk of encountering errors which wouldn't have
	+ # occurred in MySQL
	+ function replace( $table, $uniqueIndexes, $rows, $fname = 'Database::replace' ) {
	+ $table = $this->tableName( $table );
	+
	+ if ( count( $rows ) == 0 ) {
	+ return;
	+ }
	+
	+ # Single row case
	+ if ( !is_array( reset( $rows ) ) ) {
	+ $rows = array( $rows );
	+ }
	+
	+ foreach ( $rows as $row ) {
	+ # Delete rows which collide
	+ if ( $uniqueIndexes ) {
	+ $sql = "DELETE FROM $table WHERE ";
	+ $first = true;
	+ foreach ( $uniqueIndexes as $index ) {
	+ if ( $first ) {
	+ $first = false;
	+ $sql .= "(";
	+ } else {
	+ $sql .= ') OR (';
	+ }
	+ if ( is_array( $index ) ) {
	+ $first2 = true;
	+ foreach ( $index as $col ) {
	+ if ( $first2 ) {
	+ $first2 = false;
	+ } else {
	+ $sql .= ' AND ';
	+ }
	+ $sql .= $col . '=' . $this->addQuotes( $row[$col] );
	+ }
	+ } else {
	+ $sql .= $index . '=' . $this->addQuotes( $row[$index] );
	+ }
	+ }
	+ $sql .= ')';
	+ $this->query( $sql, $fname );
	+ }
	+
	+ # Now insert the row
	+ $sql = "INSERT INTO $table (" . $this->makeList( array_keys( $row ), LIST_NAMES ) . ') VALUES (' .
	+ $this->makeList( $row, LIST_COMMA ) . ')';
	+ $this->query( $sql, $fname );
	+ }
	+ }
	+
	+ # DELETE where the condition is a join
	+ function deleteJoin( $delTable, $joinTable, $delVar, $joinVar, $conds, $fname = "Database::deleteJoin" ) {
	+ if ( !$conds ) {
	+ throw new DBUnexpectedError( $this, 'Database::deleteJoin() called with empty $conds' );
	+ }
	+
	+ $delTable = $this->tableName( $delTable );
	+ $joinTable = $this->tableName( $joinTable );
	+ $sql = "DELETE FROM $delTable WHERE $delVar IN (SELECT $joinVar FROM $joinTable ";
	+ if ( $conds != '*' ) {
	+ $sql .= 'WHERE ' . $this->makeList( $conds, LIST_AND );
	+ }
	+ $sql .= ')';
	+
	+ $this->query( $sql, $fname );
	+ }
	+
	+ # Returns the size of a text field, or -1 for "unlimited"
	+ function textFieldSize( $table, $field ) {
	+ $table = $this->tableName( $table );
	+ $sql = "SELECT CHARACTER_MAXIMUM_LENGTH,DATA_TYPE FROM INFORMATION_SCHEMA.Columns
	+ WHERE TABLE_NAME = '$table' AND COLUMN_NAME = '$field'";
	+ $res = $this->query( $sql );
	+ $row = $this->fetchRow( $res );
	+ $size = -1;
	+ if ( strtolower( $row['DATA_TYPE'] ) != 'text' ) $size = $row['CHARACTER_MAXIMUM_LENGTH'];
	+ $this->freeResult( $res );
	+ return $size;
	+ }
	+
	+ /**
	+ * Construct a LIMIT query with optional offset
	+ * This is used for query pages
	+ * $sql string SQL query we will append the limit too
	+ * $limit integer the SQL limit
	+ * $offset integer the SQL offset (default false)
	+ */
	+ function limitResult( $sql, $limit, $offset = false ) {
	+ if ( $offset === false \|\| $offset == 0 ) {
	+ if ( strpos( $sql, "SELECT" ) === false ) {
	+ return "TOP {$limit} " . $sql;
	+ } else {
	+ return preg_replace( '/\bSELECT(\s*DISTINCT)?\b/Dsi', 'SELECT$1 TOP ' . $limit, $sql, 1 );
	+ }
	+ } else {
	+ $sql = '
	+ SELECT * FROM (
	+ SELECT sub2.*, ROW_NUMBER() OVER(ORDER BY sub2.line2) AS line3 FROM (
	+ SELECT 1 AS line2, sub1.* FROM (' . $sql . ') AS sub1
	+ ) as sub2
	+ ) AS sub3
	+ WHERE line3 BETWEEN ' . ( $offset + 1 ) . ' AND ' . ( $offset + $limit );
	+ return $sql;
	+ }
	+ }
	+
	+ // If there is a limit clause, parse it, strip it, and pass the remaining sql through limitResult()
	+ // with the appropriate parameters. Not the prettiest solution, but better than building a whole new parser.
	+ // This exists becase there are still too many extensions that don't use dynamic sql generation.
	+ function LimitToTopN( $sql ) {
	+ // Matches: LIMIT {[offset,] row_count \| row_count OFFSET offset}
	+ $pattern = '/\bLIMIT\s+((([0-9]+)\s,\s)?([0-9]+)(\s+OFFSET\s+([0-9]+))?)/i';
	+ if ( preg_match( $pattern, $sql, $matches ) ) {
	+ // row_count = $matches[4]
	+ $row_count = $matches[4];
	+ // offset = $matches[3] OR $matches[6]
	+ $offset = $matches[3] or
	+ $offset = $matches[6] or
	+ $offset = false;
	+
	+ // strip the matching LIMIT clause out
	+ $sql = str_replace( $matches[0], '', $sql );
	+ return $this->limitResult( $sql, $row_count, $offset );
	+ }
	+ return $sql;
	+ }
	+
	+ // MSSQL does support this, but documentation is too thin to make a generalized
	+ // function for this. Apparently UPDATE TOP (N) works, but the sort order
	+ // may not be what we're expecting so the top n results may be a random selection.
	+ // TODO: Implement properly.
	+ function limitResultForUpdate( $sql, $num ) {
	+ return $sql;
	+ }
	+
	+
	+ function timestamp( $ts = 0 ) {
	+ return wfTimestamp( TS_ISO_8601, $ts );
	+ }
	+
	+ /**
	+ * @return string wikitext of a link to the server software's web site
	+ */
	+ function getSoftwareLink() {
	+ return "[http://www.microsoft.com/sql/ MS SQL Server]";
	+ }
	+
	+ /**
	+ * @return string Version information from the database
	+ */
	+ function getServerVersion() {
	+ $server_info = sqlsrv_server_info( $this->mConn );
	+ $version = 'Error';
	+ if ( isset( $server_info['SQLServerVersion'] ) ) $version = $server_info['SQLServerVersion'];
	+ return $version;
	+ }
	+
	+ function tableExists ( $table, $schema = false ) {
	+ $res = sqlsrv_query( $this->mConn, "SELECT * FROM information_schema.tables
	+ WHERE table_type='BASE TABLE' AND table_name = '$table'" );
	+ if ( $res === false ) {
	+ print( "Error in tableExists query: " . $this->getErrors() );
	+ return false;
	+ }
	+ if ( sqlsrv_fetch( $res ) )
	+ return true;
	+ else
	+ return false;
	+ }
	+
	+ /**
	+ * Query whether a given column exists in the mediawiki schema
	+ */
	+ function fieldExists( $table, $field, $fname = 'Database::fieldExists' ) {
	+ $table = $this->tableName( $table );
	+ $res = sqlsrv_query( $this->mConn, "SELECT DATA_TYPE FROM INFORMATION_SCHEMA.Columns
	+ WHERE TABLE_NAME = '$table' AND COLUMN_NAME = '$field'" );
	+ if ( $res === false ) {
	+ print( "Error in fieldExists query: " . $this->getErrors() );
	+ return false;
	+ }
	+ if ( sqlsrv_fetch( $res ) )
	+ return true;
	+ else
	+ return false;
	+ }
	+
	+ function fieldInfo( $table, $field ) {
	+ $table = $this->tableName( $table );
	+ $res = sqlsrv_query( $this->mConn, "SELECT * FROM INFORMATION_SCHEMA.Columns
	+ WHERE TABLE_NAME = '$table' AND COLUMN_NAME = '$field'" );
	+ if ( $res === false ) {
	+ print( "Error in fieldInfo query: " . $this->getErrors() );
	+ return false;
	+ }
	+ if ( $meta = $this->fetchRow( $res ) )
	+ return new MssqlField( $meta );
	+ return false;
	+ }
	+
	+ /**
	+ * Begin a transaction, committing any previously open transaction
	+ */
	+ function begin( $fname = 'Database::begin' ) {
	+ sqlsrv_begin_transaction( $this->mConn );
	+ $this->mTrxLevel = 1;
	+ }
	+
	+ /**
	+ * End a transaction
	+ */
	+ function commit( $fname = 'Database::commit' ) {
	+ sqlsrv_commit( $this->mConn );
	+ $this->mTrxLevel = 0;
	+ }
	+
	+ /**
	+ * Rollback a transaction.
	+ * No-op on non-transactional databases.
	+ */
	+ function rollback( $fname = 'Database::rollback' ) {
	+ sqlsrv_rollback( $this->mConn );
	+ $this->mTrxLevel = 0;
	+ }
	+
	+ function setup_database() {
	+ global $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgDBport, $wgDBuser;
	+
	+ // Make sure that we can write to the correct schema
	+ $ctest = "mediawiki_test_table";
	+ if ( $this->tableExists( $ctest ) ) {
	+ $this->doQuery( "DROP TABLE $ctest" );
	+ }
	+ $SQL = "CREATE TABLE $ctest (a int)";
	+ $res = $this->doQuery( $SQL );
	+ if ( !$res ) {
	+ print "<b>FAILED</b>. Make sure that the user \"$wgDBuser\" can write to the database</li>\n";
	+ dieout( "</ul>" );
	+ }
	+ $this->doQuery( "DROP TABLE $ctest" );
	+
	+ $res = dbsource( "../maintenance/mssqlnative/tables.sql", $this );
	+
	+ # # Update version information
	+ $mwv = $this->addQuotes( $wgVersion );
	+ $pgv = $this->addQuotes( $this->getServerVersion() );
	+ $pgu = $this->addQuotes( $this->mUser );
	+ $pgp = $this->addQuotes( $wgDBport );
	+ $dbn = $this->addQuotes( $this->mDBname );
	+
	+ # # Avoid the non-standard "REPLACE INTO" syntax
	+ $f = fopen( "../maintenance/interwiki.sql", 'r' );
	+ if ( $f == false ) {
	+ dieout( "<li>Could not find the interwiki.sql file" );
	+ }
	+ # # We simply assume it is already empty as we have just created it
	+ $SQL = "INSERT INTO interwiki(iw_prefix,iw_url,iw_local) VALUES ";
	+ while ( ! feof( $f ) ) {
	+ $line = fgets( $f, 1024 );
	+ $matches = array();
	+ if ( !preg_match( '/^\s*($.+?),(\d)$/', $line, $matches ) ) {
	+ continue;
	+ }
	+ $this->query( "$SQL $matches[1],$matches[2])" );
	+ }
	+ print " (table interwiki successfully populated)...\n";
	+
	+ $this->commit();
	+ }
	+
	+ /**
	+ * Initial setup as superuser.
	+ * Create the database, schema, login, and user.
	+ */
	+ function initial_setup() {
	+ global $conf;
	+
	+ // FIXME: fields need to be properly escaped.
	+
	+ $this->doQuery("CREATE DATABASE {$conf->DBname};");
	+ $this->doQuery("USE {$conf->DBname};");
	+ $this->doQuery("CREATE SCHEMA {$conf->DBname};");
	+ $this->doQuery("
	+ CREATE
	+ LOGIN {$conf->DBuser}
	+ WITH
	+ PASSWORD='{$conf->DBpassword}'
	+ ;
	+ ");
	+ $this->doQuery("
	+ CREATE
	+ USER {$conf->DBuser}
	+ FOR
	+ LOGIN {$conf->DBuser}
	+ WITH
	+ DEFAULT_SCHEMA={$conf->DBname}
	+ ;
	+ ");
	+ $this->doQuery("
	+ GRANT
	+ BACKUP DATABASE,
	+ BACKUP LOG,
	+ CREATE DEFAULT,
	+ CREATE FUNCTION,
	+ CREATE PROCEDURE,
	+ CREATE RULE,
	+ CREATE TABLE,
	+ CREATE VIEW,
	+ CREATE FULLTEXT CATALOG
	+ ON
	+ DATABASE::{$conf->DBname}
	+ TO {$conf->DBuser}
	+ ;
	+ ");
	+ $this->doQuery("
	+ GRANT
	+ CONTROL
	+ ON
	+ SCHEMA::{$conf->DBname}
	+ TO {$conf->DBuser}
	+ ;
	+ ");
	+
	+
	+ }
	+
	+ function encodeBlob( $b ) {
	+ // we can't have zero's and such, this is a simple encoding to make sure we don't barf
	+ return base64_encode( $b );
	+ }
	+
	+ function decodeBlob( $b ) {
	+ // we can't have zero's and such, this is a simple encoding to make sure we don't barf
	+ return base64_decode( $b );
	+ }
	+
	+ /**
	+ * @private
	+ */
	+ function tableNamesWithUseIndexOrJOIN( $tables, $use_index = array(), $join_conds = array() ) {
	+ $ret = array();
	+ $retJOIN = array();
	+ $use_index_safe = is_array( $use_index ) ? $use_index : array();
	+ $join_conds_safe = is_array( $join_conds ) ? $join_conds : array();
	+ foreach ( $tables as $table ) {
	+ // Is there a JOIN and INDEX clause for this table?
	+ if ( isset( $join_conds_safe[$table] ) && isset( $use_index_safe[$table] ) ) {
	+ $tableClause = $join_conds_safe[$table][0] . ' ' . $this->tableName( $table );
	+ $tableClause .= ' ' . $this->useIndexClause( implode( ',', (array)$use_index_safe[$table] ) );
	+ $tableClause .= ' ON (' . $this->makeList( (array)$join_conds_safe[$table][1], LIST_AND ) . ')';
	+ $retJOIN[] = $tableClause;
	+ // Is there an INDEX clause?
	+ } else if ( isset( $use_index_safe[$table] ) ) {
	+ $tableClause = $this->tableName( $table );
	+ $tableClause .= ' ' . $this->useIndexClause( implode( ',', (array)$use_index_safe[$table] ) );
	+ $ret[] = $tableClause;
	+ // Is there a JOIN clause?
	+ } else if ( isset( $join_conds_safe[$table] ) ) {
	+ $tableClause = $join_conds_safe[$table][0] . ' ' . $this->tableName( $table );
	+ $tableClause .= ' ON (' . $this->makeList( (array)$join_conds_safe[$table][1], LIST_AND ) . ')';
	+ $retJOIN[] = $tableClause;
	+ } else {
	+ $tableClause = $this->tableName( $table );
	+ $ret[] = $tableClause;
	+ }
	+ }
	+ // We can't separate explicit JOIN clauses with ',', use ' ' for those
	+ $straightJoins = !empty( $ret ) ? implode( ',', $ret ) : "";
	+ $otherJoins = !empty( $retJOIN ) ? implode( ' ', $retJOIN ) : "";
	+ // Compile our final table clause
	+ return implode( ' ', array( $straightJoins, $otherJoins ) );
	+ }
	+
	+ function strencode( $s ) { # # Should not be called by us
	+ return str_replace( "'", "''", $s );
	+ }
	+
	+ function addQuotes( $s ) {
	+ if ( $s instanceof Blob ) {
	+ return "'" . $s->fetch( $s ) . "'";
	+ } else {
	+ return parent::addQuotes( $s );
	+ }
	+ }
	+
	+ function quote_ident( $s ) {
	+ return "'" . str_replace( "'", "''", $s ) . "'";
	+ }
	+
	+ function selectDB( $db ) {
	+ return ( $this->query( "SET DATABASE $db" ) !== false );
	+ }
	+
	+ /**
	+ * @private
	+ *
	+ * @param array $options an associative array of options to be turned into
	+ * an SQL query, valid keys are listed in the function.
	+ * @return array
	+ */
	+ function makeSelectOptions( $options ) {
	+ $tailOpts = '';
	+ $startOpts = '';
	+
	+ $noKeyOptions = array();
	+ foreach ( $options as $key => $option ) {
	+ if ( is_numeric( $key ) ) {
	+ $noKeyOptions[$option] = true;
	+ }
	+ }
	+
	+ if ( isset( $options['GROUP BY'] ) ) $tailOpts .= " GROUP BY {$options['GROUP BY']}";
	+ if ( isset( $options['HAVING'] ) ) $tailOpts .= " HAVING {$options['GROUP BY']}";
	+ if ( isset( $options['ORDER BY'] ) ) $tailOpts .= " ORDER BY {$options['ORDER BY']}";
	+
	+ if ( isset( $noKeyOptions['DISTINCT'] ) && isset( $noKeyOptions['DISTINCTROW'] ) ) $startOpts .= 'DISTINCT';
	+
	+ // we want this to be compatible with the output of parent::makeSelectOptions()
	+ return array( $startOpts, '' , $tailOpts, '' );
	+ }
	+
	+ public function setTimeout( $timeout ) {
	+ // couldn't find any timeout functions
	+ }
	+
	+ function ping() {
	+ wfDebug( "Function ping() not written for MSSQL Native yet" );
	+ return true;
	+ }
	+
	+ /**
	+ * How lagged is this slave?
	+ *
	+ */
	+ public function getLag() {
	+ # Not implemented for MSSQL
	+ return false;
	+ }
	+
	+ /**
	+ * FIXME: Add lag support
	+ */
	+ function setFakeSlaveLag( $lag ) { }
	+ function setFakeMaster( $enabled = false ) { }
	+
	+ /**
	+ * Get the type of the DBMS, as it appears in $wgDBtype.
	+ */
	+ function getType(){
	+ return 'mssqlnative';
	+ }
	+
	+ function buildConcat( $stringList ) {
	+ return implode( ' + ', $stringList );
	+ }
	+
	+ public function getSearchEngine() {
	+ return "SearchMssqlNative";
	+ }
	+
	+} // end DatabaseMssqlNative class
	+
	+/**
	+ * Utility class.
	+ * @addtogroup Database
	+ */
	+class MssqlField {
	+ private $name, $tablename, $default, $max_length, $nullable, $type;
	+ function __construct ( $info ) {
	+ $this->name = $info['COLUMN_NAME'];
	+ $this->tablename = $info['TABLE_NAME'];
	+ $this->default = $info['COLUMN_DEFAULT'];
	+ $this->max_length = $info['CHARACTER_MAXIMUM_LENGTH'];
	+ $this->nullable = ( strtolower( $info['IS_NULLABLE'] ) == 'no' ) ? false:true;
	+ $this->type = $info['DATA_TYPE'];
	+ }
	+ function name() {
	+ return $this->name;
	+ }
	+
	+ function tableName() {
	+ return $this->tableName;
	+ }
	+
	+ function defaultValue() {
	+ return $this->default;
	+ }
	+
	+ function maxLength() {
	+ return $this->max_length;
	+ }
	+
	+ function nullable() {
	+ return $this->nullable;
	+ }
	+
	+ function type() {
	+ return $this->type;
	+ }
	+}
	+
	+/**
	+ * The MSSQL PHP driver doesn't support sqlsrv_num_rows, so we recall all rows into an array and maintain our
	+ * own cursor index into that array...This is similar to the way the Oracle driver handles this same issue
	+ *
	+ * @addtogroup Database
	+ */
	+class MssqlResult {
	+
	+ public function MssqlResult( $queryresult = false ) {
	+ $this->mCursor = 0;
	+ $this->mRows = array();
	+ $this->mNumFields = sqlsrv_num_fields( $queryresult );
	+ $this->mFieldMeta = sqlsrv_field_metadata( $queryresult );
	+ while ( $row = sqlsrv_fetch_array( $queryresult, SQLSRV_FETCH_ASSOC ) ) {
	+ if ( $row !== null ) {
	+ foreach ( $row as $k => $v ) {
	+ if ( is_object( $v ) && method_exists( $v, 'format' ) ) {// DateTime Object
	+ $row[$k] = $v->format( "Y-m-d\TH:i:s\Z" );
	+ }
	+ }
	+ $this->mRows[] = $row;// read results into memory, cursors are not supported
	+ }
	+ }
	+ $this->mRowCount = count( $this->mRows );
	+ sqlsrv_free_stmt( $queryresult );
	+ }
	+
	+ private function array_to_obj( $array, &$obj ) {
	+ foreach ( $array as $key => $value ) {
	+ if ( is_array( $value ) ) {
	+ $obj->$key = new stdClass();
	+ array_to_obj( $value, $obj->$key );
	+ } else {
	+ if ( !empty( $key ) ) {
	+ $obj->$key = $value;
	+ }
	+ }
	+ }
	+ return $obj;
	+ }
	+
	+ public function fetch( $mode = SQLSRV_FETCH_BOTH, $object_class = 'stdClass' ) {
	+ if ( $this->mCursor >= $this->mRowCount \|\| $this->mRowCount == 0 ) return false;
	+ $ret = false;
	+ $arrNum = array();
	+ if ( $mode == SQLSRV_FETCH_NUMERIC \|\| $mode == SQLSRV_FETCH_BOTH ) {
	+ foreach ( $this->mRows[$this->mCursor] as $key => $value ) {
	+ $arrNum[] = $value;
	+ }
	+ }
	+ switch( $mode ) {
	+ case SQLSRV_FETCH_ASSOC:
	+ $ret = $this->mRows[$this->mCursor];
	+ break;
	+ case SQLSRV_FETCH_NUMERIC:
	+ $ret = $arrNum;
	+ break;
	+ case 'OBJECT':
	+ $o = new $object_class;
	+ $ret = $this->array_to_obj( $this->mRows[$this->mCursor], $o );
	+ break;
	+ case SQLSRV_FETCH_BOTH:
	+ default:
	+ $ret = $this->mRows[$this->mCursor] + $arrNum;
	+ break;
	+ }
	+
	+ $this->mCursor++;
	+ return $ret;
	+ }
	+
	+ public function get( $pos, $fld ) {
	+ return $this->mRows[$pos][$fld];
	+ }
	+
	+ public function numrows() {
	+ return $this->mRowCount;
	+ }
	+
	+ public function seek( $iRow ) {
	+ $this->mCursor = min( $iRow, $this->mRowCount );
	+ }
	+
	+ public function numfields() {
	+ return $this->mNumFields;
	+ }
	+
	+ public function fieldname( $nr ) {
	+ $arrKeys = array_keys( $this->mRows[0] );
	+ return $arrKeys[$nr];
	+ }
	+
	+ public function fieldtype( $nr ) {
	+ $i = 0;
	+ $intType = -1;
	+ $strType = '';
	+ foreach ( $this->mFieldMeta as $meta ) {
	+ if ( $nr == $i ) {
	+ $intType = $meta['Type'];
	+ break;
	+ }
	+ $i++;
	+ }
	+ // http://msdn.microsoft.com/en-us/library/cc296183.aspx contains type table
	+ switch( $intType ) {
	+ case SQLSRV_SQLTYPE_BIGINT: $strType = 'bigint'; break;
	+ case SQLSRV_SQLTYPE_BINARY: $strType = 'binary'; break;
	+ case SQLSRV_SQLTYPE_BIT: $strType = 'bit'; break;
	+ case SQLSRV_SQLTYPE_CHAR: $strType = 'char'; break;
	+ case SQLSRV_SQLTYPE_DATETIME: $strType = 'datetime'; break;
	+ case SQLSRV_SQLTYPE_DECIMAL/($precision, $scale)/: $strType = 'decimal'; break;
	+ case SQLSRV_SQLTYPE_FLOAT: $strType = 'float'; break;
	+ case SQLSRV_SQLTYPE_IMAGE: $strType = 'image'; break;
	+ case SQLSRV_SQLTYPE_INT: $strType = 'int'; break;
	+ case SQLSRV_SQLTYPE_MONEY: $strType = 'money'; break;
	+ case SQLSRV_SQLTYPE_NCHAR/($charCount)/: $strType = 'nchar'; break;
	+ case SQLSRV_SQLTYPE_NUMERIC/($precision, $scale)/: $strType = 'numeric'; break;
	+ case SQLSRV_SQLTYPE_NVARCHAR/($charCount)/: $strType = 'nvarchar'; break;
	+ // case SQLSRV_SQLTYPE_NVARCHAR('max'): $strType = 'nvarchar(MAX)'; break;
	+ case SQLSRV_SQLTYPE_NTEXT: $strType = 'ntext'; break;
	+ case SQLSRV_SQLTYPE_REAL: $strType = 'real'; break;
	+ case SQLSRV_SQLTYPE_SMALLDATETIME: $strType = 'smalldatetime'; break;
	+ case SQLSRV_SQLTYPE_SMALLINT: $strType = 'smallint'; break;
	+ case SQLSRV_SQLTYPE_SMALLMONEY: $strType = 'smallmoney'; break;
	+ case SQLSRV_SQLTYPE_TEXT: $strType = 'text'; break;
	+ case SQLSRV_SQLTYPE_TIMESTAMP: $strType = 'timestamp'; break;
	+ case SQLSRV_SQLTYPE_TINYINT: $strType = 'tinyint'; break;
	+ case SQLSRV_SQLTYPE_UNIQUEIDENTIFIER: $strType = 'uniqueidentifier'; break;
	+ case SQLSRV_SQLTYPE_UDT: $strType = 'UDT'; break;
	+ case SQLSRV_SQLTYPE_VARBINARY/($byteCount)/: $strType = 'varbinary'; break;
	+ // case SQLSRV_SQLTYPE_VARBINARY('max'): $strType = 'varbinary(MAX)'; break;
	+ case SQLSRV_SQLTYPE_VARCHAR/($charCount)/: $strType = 'varchar'; break;
	+ // case SQLSRV_SQLTYPE_VARCHAR('max'): $strType = 'varchar(MAX)'; break;
	+ case SQLSRV_SQLTYPE_XML: $strType = 'xml'; break;
	+ default: $strType = $intType;
	+ }
	+ return $strType;
	+ }
	+
	+ public function free() {
	+ unset( $this->mRows );
	+ return;
	+ }
	+
	+}
	diff --git a/includes/search/SearchMssqlNative.php b/includes/search/SearchMssqlNative.php
	new file mode 100644
	index 0000000..be18ed6
	--- /dev/null
	+++ b/includes/search/SearchMssqlNative.php
	@@ -0,0 +1,240 @@
	+<?php
	+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
	+# http://www.mediawiki.org/
	+#
	+# This program is free software; you can redistribute it and/or modify
	+# it under the terms of the GNU General Public License as published by
	+# the Free Software Foundation; either version 2 of the License, or
	+# (at your option) any later version.
	+#
	+# This program is distributed in the hope that it will be useful,
	+# but WITHOUT ANY WARRANTY; without even the implied warranty of
	+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	+# GNU General Public License for more details.
	+#
	+# You should have received a copy of the GNU General Public License along
	+# with this program; if not, write to the Free Software Foundation, Inc.,
	+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	+# http://www.gnu.org/copyleft/gpl.html
	+
	+/**
	+ * Search engine hook base class for Mssql (ConText).
	+ * @addtogroup Search
	+ */
	+class SearchMssqlNative extends SearchEngine {
	+
	+ function __construct( $db ) {
	+ $this->db = $db;
	+ }
	+
	+ /**
	+ * Perform a full text search query and return a result set.
	+ *
	+ * @param string $term - Raw search term
	+ * @return MssqlSearchResultSet
	+ * @access public
	+ */
	+ function searchText( $term ) {
	+ $resultSet = $this->db->resultObject( $this->db->query( $this->getQuery( $this->filter( $term ), true ) ) );
	+ return new MssqlnativeSearchResultSet( $resultSet, $this->searchTerms );
	+ }
	+
	+ /**
	+ * Perform a title-only search query and return a result set.
	+ *
	+ * @param string $term - Raw search term
	+ * @return MssqlSearchResultSet
	+ * @access public
	+ */
	+ function searchTitle( $term ) {
	+ $resultSet = $this->db->resultObject( $this->db->query( $this->getQuery( $this->filter( $term ), false ) ) );
	+ return new MssqlnativeSearchResultSet( $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';
	+ }
	+ }
	+
	+ /**
	+ * Return a partial WHERE clause to limit the search to the given namespaces
	+ * @return string
	+ * @private
	+ */
	+ function queryNamespaces() {
	+ $namespaces = implode( ',', $this->namespaces );
	+ if ( $namespaces == '' ) {
	+ $namespaces = '0';
	+ }
	+ return 'AND page_namespace IN (' . $namespaces . ')';
	+ }
	+
	+ /**
	+ * Return a LIMIT clause to limit results on the query.
	+ * @return string
	+ * @private
	+ */
	+ 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
	+ */
	+ 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 string $filteredTerm
	+ * @param bool $fulltext
	+ * @private
	+ */
	+ 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 bool $fulltext
	+ * @return string
	+ */
	+ function getIndexField( $fulltext ) {
	+ return $fulltext ? 'si_text' : 'si_title';
	+ }
	+
	+ /**
	+ * Get the base part of the search query.
	+ *
	+ * @param string $filteredTerm
	+ * @param bool $fulltext
	+ * @return string
	+ * @private
	+ */
	+ function queryMain( $filteredTerm, $fulltext ) {
	+ $match = $this->parseQuery( $filteredTerm, $fulltext );
	+ $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 */
	+ function parseQuery( $filteredText, $fulltext ) {
	+ global $wgContLang;
	+ $lc = SearchEngine::legalSearchChars();
	+ $this->searchTerms = array();
	+
	+ # FIXME: This doesn't handle parenthetical expressions.
	+ $m = array();
	+ $q = array();
	+
	+ if ( preg_match_all( '/([-+<>~]?)(([' . $lc . ']+)(\?)\|"[^"]")/',
	+ $filteredText, $m, PREG_SET_ORDER ) ) {
	+ foreach ( $m as $terms ) {
	+ $q[] = $terms[1] . $wgContLang->normalizeForSearch( $terms[2] );
	+
	+ if ( !empty( $terms[3] ) ) {
	+ $regexp = preg_quote( $terms[3], '/' );
	+ if ( $terms[4] )
	+ $regexp .= "[0-9A-Za-z_]+";
	+ } else {
	+ $regexp = preg_quote( str_replace( '"', '', $terms[2] ), '/' );
	+ }
	+ $this->searchTerms[] = $regexp;
	+ }
	+ }
	+
	+ $searchon = $this->db->strencode( join( ',', $q ) );
	+ $field = $this->getIndexField( $fulltext );
	+ return "$field, '$searchon'";
	+ }
	+
	+ /**
	+ * Create or update the search index record for the given page.
	+ * Title and text should be pre-processed.
	+ *
	+ * @param int $id
	+ * @param string $title
	+ * @param string $text
	+ */
	+ 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
	+ // 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
	+ $table = $this->db->tableName( 'searchindex' );
	+ $utf8bom = '0xEFBBBF';
	+ $si_title = $utf8bom . bin2hex( $title );
	+ $si_text = $utf8bom . bin2hex( $text );
	+ $sql = "DELETE FROM $table WHERE si_page = $id;";
	+ $sql .= "INSERT INTO $table (si_page, si_title, si_text) VALUES ($id, $si_title, $si_text)";
	+ return $this->db->query( $sql, 'SearchMssqlNative::update' );
	+ }
	+
	+ /**
	+ * Update a search index record's title only.
	+ * Title should be pre-processed.
	+ *
	+ * @param int $id
	+ * @param string $title
	+ */
	+ function updateTitle( $id, $title ) {
	+ $table = $this->db->tableName( 'searchindex' );
	+
	+ // see update for why we are using the utf8bom
	+ $utf8bom = '0xEFBBBF';
	+ $si_title = $utf8bom . bin2hex( $title );
	+ $sql = "DELETE FROM $table WHERE si_page = $id;";
	+ $sql .= "INSERT INTO $table (si_page, si_title, si_text) VALUES ($id, $si_title, 0x00)";
	+ return $this->db->query( $sql, 'SearchMssqlNative::updateTitle' );
	+ }
	+}
	+
	+/**
	+ * @addtogroup Search
	+ */
	+class MssqlnativeSearchResultSet 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 );
	+ }
	+}
	+
	+
	diff --git a/includes/specials/SpecialAncientpages.php b/includes/specials/SpecialAncientpages.php
	index 5cda233..9e2bca3 100644
	--- a/includes/specials/SpecialAncientpages.php
	+++ b/includes/specials/SpecialAncientpages.php
	@@ -54,6 +54,9 @@ class AncientPagesPage extends QueryPage {
	case 'sqlite':
	$epoch = 'rev_timestamp';
	break;
	+ case 'mssqlnative':
	+ $epoch = 'DATEDIFF(s,CONVERT(datetime,\'1/1/1970\'),rev_timestamp)';
	+ break;
	default:
	$epoch = 'EXTRACT(epoch FROM rev_timestamp)';
	}
	diff --git a/includes/specials/SpecialSearch.php b/includes/specials/SpecialSearch.php
	index 2dba597..8035e98 100644
	--- a/includes/specials/SpecialSearch.php
	+++ b/includes/specials/SpecialSearch.php
	@@ -119,7 +119,41 @@ class SpecialSearch {
	wfProfileIn( __METHOD__ );

	$sk = $wgUser->getSkin();
	-
	+
	+ $beginSearchForm = Xml::openElement(
	+ 'form',
	+ array(
	+ 'id' => ( $this->searchAdvanced ? 'powersearch' : 'search' ),
	+ 'method' => 'get',
	+ 'action' => $wgScript
	+ )
	+ );
	+ $mwSearchTopTable =
	+ Xml::openElement( 'table', array( 'id' => 'mw-search-top-table', 'border' => 0, 'cellpadding' => 0, 'cellspacing' => 0 ) ) .
	+ Xml::openElement( 'tr' ) .
	+ Xml::openElement( 'td' ) . "\n" .
	+ $this->shortDialog( $term ) .
	+ Xml::closeElement( 'td' ) .
	+ Xml::closeElement( 'tr' ) .
	+ Xml::closeElement( 'table' );
	+
	+ // moved to check for empty or null search string before running query
	+ // to prevent NULL fulltext search error in SQL Server
	+ $filePrefix = $wgContLang->getFormattedNsText( NS_FILE ) . ':';
	+ if ( trim( $term ) === '' \|\| $filePrefix === trim( $term ) ) {
	+ $wgOut->addHTML( $beginSearchForm );
	+ $wgOut->addHTML( $mwSearchTopTable );
	+ $wgOut->addHTML( $this->searchFocus() );
	+ $wgOut->addHTML( $this->formHeader( $term, 0, 0 ) );
	+ if ( $this->searchAdvanced ) {
	+ $wgOut->addHTML( $this->powerSearchBox( $term ) );
	+ }
	+ $wgOut->addHTML( Xml::closeElement( 'form' ) );
	+ // Empty query -- straight view of search form
	+ wfProfileOut( __METHOD__ );
	+ return;
	+ }
	+
	$this->searchEngine = SearchEngine::create();
	$search =& $this->searchEngine;
	$search->setLimitOffset( $this->limit, $this->offset );
	@@ -194,23 +228,10 @@ class SpecialSearch {
	}
	// start rendering the page
	$wgOut->addHtml(
	- Xml::openElement(
	- 'form',
	- array(
	- 'id' => ( $this->searchAdvanced ? 'powersearch' : 'search' ),
	- 'method' => 'get',
	- 'action' => $wgScript
	- )
	- )
	+ $beginSearchForm
	);
	$wgOut->addHtml(
	- Xml::openElement( 'table', array( 'id'=>'mw-search-top-table', 'border'=>0, 'cellpadding'=>0, 'cellspacing'=>0 ) ) .
	- Xml::openElement( 'tr' ) .
	- Xml::openElement( 'td' ) . "\n" .
	- $this->shortDialog( $term ) .
	- Xml::closeElement('td') .
	- Xml::closeElement('tr') .
	- Xml::closeElement('table')
	+ $mwSearchTopTable
	);

	// Sometimes the search engine knows there are too many hits
	@@ -220,19 +241,6 @@ class SpecialSearch {
	return;
	}

	- $filePrefix = $wgContLang->getFormattedNsText(NS_FILE).':';
	- if( trim( $term ) === '' \|\| $filePrefix === trim( $term ) ) {
	- $wgOut->addHTML( $this->searchFocus() );
	- $wgOut->addHTML( $this->formHeader($term, 0, 0));
	- if( $this->searchAdvanced ) {
	- $wgOut->addHTML( $this->powerSearchBox( $term ) );
	- }
	- $wgOut->addHTML( '</form>' );
	- // Empty query -- straight view of search form
	- wfProfileOut( __METHOD__ );
	- return;
	- }
	-
	// Get number of results
	$titleMatchesNum = $titleMatches ? $titleMatches->numRows() : 0;
	$textMatchesNum = $textMatches ? $textMatches->numRows() : 0;
	diff --git a/includes/specials/SpecialUnusedimages.php b/includes/specials/SpecialUnusedimages.php
	index 7827387..311d8dd 100644
	--- a/includes/specials/SpecialUnusedimages.php
	+++ b/includes/specials/SpecialUnusedimages.php
	@@ -53,6 +53,9 @@ class UnusedimagesPage extends ImageQueryPage {
	case 'sqlite':
	$epoch = 'img_timestamp';
	break;
	+ case 'mssqlnative':
	+ $epoch = 'DATEDIFF(s,CONVERT(datetime,\'1/1/1970\'),img_timestamp)';
	+ break;
	default:
	$epoch = 'EXTRACT(epoch FROM img_timestamp)';
	}
	diff --git a/maintenance/mssqlnative/tables.sql b/maintenance/mssqlnative/tables.sql
	new file mode 100644
	index 0000000..3d3d359
	--- /dev/null
	+++ b/maintenance/mssqlnative/tables.sql
	@@ -0,0 +1,764 @@
	+-- Experimental table definitions for Microsoft SQL Server with
	+-- content-holding fields switched to explicit BINARY charset.
	+-- ------------------------------------------------------------
	+
	+-- SQL to create the initial tables for the MediaWiki database.
	+-- This is read and executed by the install script; you should
	+-- not have to run it by itself unless doing a manual install.
	+
	+--
	+-- General notes:
	+--
	+-- The comments in this and other files are
	+-- replaced with the defined table prefix by the installer
	+-- and updater scripts. If you are installing or running
	+-- updates manually, you will need to manually insert the
	+-- table prefix if any when running these scripts.
	+--
	+
	+
	+--
	+-- The user table contains basic account information,
	+-- authentication keys, etc.
	+--
	+-- Some multi-wiki sites may share a single central user table
	+-- between separate wikis using the $wgSharedDB setting.
	+--
	+-- Note that when a external authentication plugin is used,
	+-- user table entries still need to be created to store
	+-- preferences and to key tracking information in the other
	+-- tables.
	+
	+-- LINE:53
	+CREATE TABLE /$wgDBprefix/user (
	+ user_id INT NOT NULL PRIMARY KEY IDENTITY(0,1),
	+ user_name NVARCHAR(255) NOT NULL UNIQUE DEFAULT '',
	+ user_real_name NVARCHAR(255) NOT NULL DEFAULT '',
	+ user_password NVARCHAR(255) NOT NULL DEFAULT '',
	+ user_newpassword NVARCHAR(255) NOT NULL DEFAULT '',
	+ user_newpass_time DATETIME NULL,
	+ user_email NVARCHAR(255) NOT NULL DEFAULT '',
	+ user_options NVARCHAR(MAX) NOT NULL DEFAULT '',
	+ user_touched DATETIME NOT NULL DEFAULT GETDATE(),
	+ user_token NCHAR(32) NOT NULL DEFAULT '',
	+ user_email_authenticated DATETIME DEFAULT NULL,
	+ user_email_token NCHAR(32) DEFAULT '',
	+ user_email_token_expires DATETIME DEFAULT NULL,
	+ user_registration DATETIME DEFAULT NULL,
	+ user_editcount INT NULL
	+);
	+CREATE INDEX /$wgDBprefix/user_email_token ON /$wgDBprefix/[user](user_email_token);
	+CREATE UNIQUE INDEX /$wgDBprefix/[user_name] ON /$wgDBprefix/[user]([user_name]);
	+;
	+
	+--
	+-- User permissions have been broken out to a separate table;
	+-- this allows sites with a shared user table to have different
	+-- permissions assigned to a user in each project.
	+--
	+-- This table replaces the old user_rights field which used a
	+-- comma-separated blob.
	+CREATE TABLE /$wgDBprefix/user_groups (
	+ ug_user INT NOT NULL REFERENCES /$wgDBprefix/[user](user_id) ON DELETE CASCADE,
	+ ug_group NVARCHAR(16) NOT NULL DEFAULT '',
	+);
	+CREATE UNIQUE clustered INDEX /$wgDBprefix/user_groups_unique ON /$wgDBprefix/user_groups(ug_user, ug_group);
	+CREATE INDEX /$wgDBprefix/user_group ON /$wgDBprefix/user_groups(ug_group);
	+
	+-- Stores notifications of user talk page changes, for the display
	+-- of the "you have new messages" box
	+-- Changed user_id column to mwuser_id to avoid clashing with user_id function
	+CREATE TABLE /$wgDBprefix/user_newtalk (
	+ user_id INT NOT NULL DEFAULT 0 REFERENCES /$wgDBprefix/[user](user_id) ON DELETE CASCADE,
	+ user_ip NVARCHAR(40) NOT NULL DEFAULT '',
	+ user_last_timestamp DATETIME NOT NULL DEFAULT '',
	+);
	+CREATE INDEX /$wgDBprefix/user_group_id ON /$wgDBprefix/user_newtalk([user_id]);
	+CREATE INDEX /$wgDBprefix/user_ip ON /$wgDBprefix/user_newtalk(user_ip);
	+
	+--
	+-- User preferences and other fun stuff
	+-- replaces old user.user_options BLOB
	+--
	+CREATE TABLE /$wgDBprefix/user_properties (
	+ up_user INT NOT NULL,
	+ up_property NVARCHAR(32) NOT NULL,
	+ up_value NVARCHAR(MAX),
	+);
	+CREATE UNIQUE clustered INDEX /$wgDBprefix/user_props_user_prop ON /$wgDBprefix/user_properties(up_user, up_property);
	+CREATE INDEX /$wgDBprefix/user_props_prop ON /$wgDBprefix/user_properties(up_property);
	+
	+
	+--
	+-- Core of the wiki: each page has an entry here which identifies
	+-- it by title and contains some essential metadata.
	+--
	+CREATE TABLE /$wgDBprefix/page (
	+ page_id INT NOT NULL PRIMARY KEY clustered IDENTITY,
	+ page_namespace INT NOT NULL,
	+ page_title NVARCHAR(255) NOT NULL,
	+ page_restrictions NVARCHAR(255) NULL,
	+ page_counter BIGINT NOT NULL DEFAULT 0,
	+ page_is_redirect BIT NOT NULL DEFAULT 0,
	+ page_is_new BIT NOT NULL DEFAULT 0,
	+ page_random NUMERIC(15,14) NOT NULL DEFAULT RAND(),
	+ page_touched DATETIME NOT NULL DEFAULT GETDATE(),
	+ page_latest INT NOT NULL,
	+ page_len INT NOT NULL,
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/page_unique_name ON /$wgDBprefix/page(page_namespace, page_title);
	+CREATE INDEX /$wgDBprefix/page_random_idx ON /$wgDBprefix/page(page_random);
	+CREATE INDEX /$wgDBprefix/page_len_idx ON /$wgDBprefix/page(page_len);
	+;
	+
	+--
	+-- Every edit of a page creates also a revision row.
	+-- This stores metadata about the revision, and a reference
	+-- to the TEXT storage backend.
	+--
	+CREATE TABLE /$wgDBprefix/revision (
	+ rev_id INT NOT NULL UNIQUE IDENTITY,
	+ rev_page INT NOT NULL,
	+ rev_text_id INT NOT NULL,
	+ rev_comment NVARCHAR(max) NOT NULL,
	+ rev_user INT NOT NULL DEFAULT 0 /REFERENCES [user](user_id)/,
	+ rev_user_text NVARCHAR(255) NOT NULL DEFAULT '',
	+ rev_timestamp DATETIME NOT NULL DEFAULT GETDATE(),
	+ rev_minor_edit BIT NOT NULL DEFAULT 0,
	+ rev_deleted BIT NOT NULL DEFAULT 0,
	+ rev_len INT,
	+ rev_parent_id INT DEFAULT NULL,
	+
	+);
	+CREATE UNIQUE clustered INDEX /$wgDBprefix/revision_unique ON /$wgDBprefix/revision(rev_page, rev_id);
	+CREATE UNIQUE INDEX /$wgDBprefix/rev_id ON /$wgDBprefix/revision(rev_id);
	+CREATE INDEX /$wgDBprefix/rev_timestamp ON /$wgDBprefix/revision(rev_timestamp);
	+CREATE INDEX /$wgDBprefix/page_timestamp ON /$wgDBprefix/revision(rev_page, rev_timestamp);
	+CREATE INDEX /$wgDBprefix/user_timestamp ON /$wgDBprefix/revision(rev_user, rev_timestamp);
	+CREATE INDEX /$wgDBprefix/usertext_timestamp ON /$wgDBprefix/revision(rev_user_text, rev_timestamp);
	+;
	+
	+--
	+-- Holds TEXT of individual page revisions.
	+--
	+-- Field names are a holdover from the 'old' revisions table in
	+-- MediaWiki 1.4 and earlier: an upgrade will transform that
	+-- table INTo the 'text' table to minimize unnecessary churning
	+-- and downtime. If upgrading, the other fields will be left unused.
	+CREATE TABLE /$wgDBprefix/text (
	+ old_id INT NOT NULL PRIMARY KEY clustered IDENTITY,
	+ old_text TEXT NOT NULL,
	+ old_flags NVARCHAR(255) NOT NULL,
	+);
	+
	+--
	+-- Holding area for deleted articles, which may be viewed
	+-- or restored by admins through the Special:Undelete interface.
	+-- The fields generally correspond to the page, revision, and text
	+-- fields, with several caveats.
	+-- Cannot reasonably create views on this table, due to the presence of TEXT
	+-- columns.
	+CREATE TABLE /$wgDBprefix/archive (
	+ ar_namespace SMALLINT NOT NULL DEFAULT 0,
	+ ar_title NVARCHAR(255) NOT NULL DEFAULT '',
	+ ar_text NVARCHAR(MAX) NOT NULL,
	+ ar_comment NVARCHAR(255) NOT NULL,
	+ ar_user INT NULL REFERENCES /$wgDBprefix/[user](user_id) ON DELETE SET NULL,
	+ ar_user_text NVARCHAR(255) NOT NULL,
	+ ar_timestamp DATETIME NOT NULL DEFAULT GETDATE(),
	+ ar_minor_edit BIT NOT NULL DEFAULT 0,
	+ ar_flags NVARCHAR(255) NOT NULL,
	+ ar_rev_id INT,
	+ ar_text_id INT,
	+ ar_deleted BIT NOT NULL DEFAULT 0,
	+ ar_len INT DEFAULT NULL,
	+ ar_page_id INT NULL,
	+ ar_parent_id INT NULL,
	+);
	+CREATE INDEX /$wgDBprefix/ar_name_title_timestamp ON /$wgDBprefix/archive(ar_namespace,ar_title,ar_timestamp);
	+CREATE INDEX /$wgDBprefix/ar_usertext_timestamp ON /$wgDBprefix/archive(ar_user_text,ar_timestamp);
	+CREATE INDEX /$wgDBprefix/ar_user_text ON /$wgDBprefix/archive(ar_user_text);
	+
	+
	+--
	+-- Track page-to-page hyperlinks within the wiki.
	+--
	+CREATE TABLE /$wgDBprefix/pagelinks (
	+ pl_from INT NOT NULL DEFAULT 0 REFERENCES /$wgDBprefix/page(page_id) ON DELETE CASCADE,
	+ pl_namespace SMALLINT NOT NULL DEFAULT 0,
	+ pl_title NVARCHAR(255) NOT NULL DEFAULT '',
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/pl_from ON /$wgDBprefix/pagelinks(pl_from,pl_namespace,pl_title);
	+CREATE UNIQUE INDEX /$wgDBprefix/pl_namespace ON /$wgDBprefix/pagelinks(pl_namespace,pl_title,pl_from);
	+
	+--
	+-- Track template inclusions.
	+--
	+CREATE TABLE /$wgDBprefix/templatelinks (
	+ tl_from INT NOT NULL DEFAULT 0 REFERENCES /$wgDBprefix/page(page_id) ON DELETE CASCADE,
	+ tl_namespace SMALLINT NOT NULL DEFAULT 0,
	+ tl_title NVARCHAR(255) NOT NULL DEFAULT '',
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/tl_from ON /$wgDBprefix/templatelinks(tl_from,tl_namespace,tl_title);
	+CREATE UNIQUE INDEX /$wgDBprefix/tl_namespace ON /$wgDBprefix/templatelinks(tl_namespace,tl_title,tl_from);
	+
	+--
	+-- Track links to images used inline
	+-- We don't distinguish live from broken links here, so
	+-- they do not need to be changed ON upload/removal.
	+--
	+CREATE TABLE /$wgDBprefix/imagelinks (
	+ il_from INT NOT NULL DEFAULT 0 REFERENCES /$wgDBprefix/page(page_id) ON DELETE CASCADE,
	+ il_to NVARCHAR(255) NOT NULL DEFAULT '',
	+ CONSTRAINT /$wgDBprefix/il_from PRIMARY KEY(il_from,il_to),
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/il_from_to ON /$wgDBprefix/imagelinks(il_from,il_to);
	+CREATE UNIQUE INDEX /$wgDBprefix/il_to_from ON /$wgDBprefix/imagelinks(il_to,il_from);
	+
	+--
	+-- Track category inclusions used inline
	+-- This tracks a single level of category membership
	+-- (folksonomic tagging, really).
	+--
	+CREATE TABLE /$wgDBprefix/categorylinks (
	+ cl_from INT NOT NULL DEFAULT 0,
	+ cl_to NVARCHAR(255) NOT NULL DEFAULT '',
	+ cl_sortkey NVARCHAR(150) NOT NULL DEFAULT '',
	+ cl_timestamp DATETIME NOT NULL DEFAULT GETDATE(),
	+ CONSTRAINT /$wgDBprefix/cl_from PRIMARY KEY(cl_from, cl_to),
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/cl_from_to ON /$wgDBprefix/categorylinks(cl_from,cl_to);
	+-- We always sort within a given category...
	+CREATE INDEX /$wgDBprefix/cl_sortkey ON /$wgDBprefix/categorylinks(cl_to,cl_sortkey);
	+-- Not really used?
	+CREATE INDEX /$wgDBprefix/cl_timestamp ON /$wgDBprefix/categorylinks(cl_to,cl_timestamp);
	+--;
	+
	+--
	+-- Track all existing categories. Something is a category if 1) it has an en-
	+-- try somewhere in categorylinks, or 2) it once did. Categories might not
	+-- have corresponding pages, so they need to be tracked separately.
	+--
	+CREATE TABLE /$wgDBprefix/category (
	+ cat_id int NOT NULL IDENTITY(1,1),
	+ cat_title nvarchar(255) NOT NULL,
	+ cat_pages int NOT NULL default 0,
	+ cat_subcats int NOT NULL default 0,
	+ cat_files int NOT NULL default 0,
	+ cat_hidden tinyint NOT NULL default 0,
	+);
	+
	+CREATE UNIQUE INDEX /$wgDBprefix/cat_title ON /$wgDBprefix/category(cat_title);
	+-- For Special:Mostlinkedcategories
	+CREATE INDEX /$wgDBprefix/cat_pages ON /$wgDBprefix/category(cat_pages);
	+
	+
	+CREATE TABLE /$wgDBprefix/change_tag (
	+ ct_rc_id int NOT NULL default 0,
	+ ct_log_id int NOT NULL default 0,
	+ ct_rev_id int NOT NULL default 0,
	+ ct_tag varchar(255) NOT NULL,
	+ ct_params varchar(255) NOT NULL,
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/change_tag_rc_tag ON /$wgDBprefix/change_tag(ct_rc_id,ct_tag);
	+CREATE UNIQUE INDEX /$wgDBprefix/change_tag_log_tag ON /$wgDBprefix/change_tag(ct_log_id,ct_tag);
	+CREATE UNIQUE INDEX /$wgDBprefix/change_tag_rev_tag ON /$wgDBprefix/change_tag(ct_rev_id,ct_tag);
	+CREATE INDEX /$wgDBprefix/change_tag_tag_id ON /$wgDBprefix/change_tag(ct_tag,ct_rc_id,ct_rev_id,ct_log_id);
	+
	+CREATE TABLE /$wgDBprefix/tag_summary (
	+ ts_rc_id INT NOT NULL default 0,
	+ ts_log_id INT NOT NULL default 0,
	+ ts_rev_id INT NOT NULL default 0,
	+ ts_tags varchar(255) NOT NULL
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/tag_summary_rc_id ON /$wgDBprefix/tag_summary(ts_rc_id);
	+CREATE UNIQUE INDEX /$wgDBprefix/tag_summary_log_id ON /$wgDBprefix/tag_summary(ts_log_id);
	+CREATE UNIQUE INDEX /$wgDBprefix/tag_summary_rev_id ON /$wgDBprefix/tag_summary(ts_rev_id);
	+
	+CREATE TABLE /$wgDBprefix/valid_tag (
	+ vt_tag varchar(255) NOT NULL PRIMARY KEY
	+);
	+
	+--
	+-- Table for storing localisation data
	+--
	+CREATE TABLE /$wgDBprefix/l10n_cache (
	+ -- language code
	+ lc_lang NVARCHAR(32) NOT NULL,
	+
	+ -- cache key
	+ lc_key NVARCHAR(255) NOT NULL,
	+
	+ -- Value
	+ lc_value TEXT NOT NULL DEFAULT '',
	+);
	+CREATE INDEX /$wgDBprefix/lc_lang_key ON /$wgDBprefix/l10n_cache (lc_lang, lc_key);
	+
	+--
	+-- Track links to external URLs
	+-- IE >= 4 supports no more than 2083 characters in a URL
	+CREATE TABLE /$wgDBprefix/externallinks (
	+ el_from INT NOT NULL DEFAULT '0',
	+ el_to VARCHAR(2083) NOT NULL,
	+ el_index VARCHAR(896) NOT NULL,
	+);
	+-- Maximum key length ON SQL Server is 900 bytes
	+CREATE INDEX /$wgDBprefix/externallinks_index ON /$wgDBprefix/externallinks(el_index);
	+
	+--
	+-- Track external user accounts, if ExternalAuth is used
	+--
	+CREATE TABLE /$wgDBprefix/external_user (
	+ -- Foreign key to user_id
	+ eu_local_id INT NOT NULL PRIMARY KEY,
	+ -- opaque identifier provided by the external database
	+ eu_external_id NVARCHAR(255) NOT NULL,
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/eu_external_idx ON /$wgDBprefix/external_user(eu_external_id);
	+
	+--
	+-- Track INTerlanguage links
	+--
	+CREATE TABLE /$wgDBprefix/langlinks (
	+ ll_from INT NOT NULL DEFAULT 0,
	+ ll_lang NVARCHAR(20) NOT NULL DEFAULT '',
	+ ll_title NVARCHAR(255) NOT NULL DEFAULT '',
	+ CONSTRAINT /$wgDBprefix/langlinks_pk PRIMARY KEY(ll_from, ll_lang),
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/langlinks_reverse_key ON /$wgDBprefix/langlinks(ll_lang,ll_title);
	+
	+--
	+-- Track inline interwiki links
	+--
	+CREATE TABLE /$wgDBprefix/iwlinks (
	+ -- page_id of the referring page
	+ iwl_from INT NOT NULL DEFAULT 0,
	+
	+ -- Interwiki prefix code of the target
	+ iwl_prefix NVARCHAR(20) NOT NULL DEFAULT '',
	+
	+ -- Title of the target, including namespace
	+ iwl_title NVARCHAR(255) NOT NULL DEFAULT '',
	+);
	+
	+CREATE UNIQUE INDEX /$wgDBprefix/iwl_from ON /$wgDBprefix/iwlinks(iwl_from,iwl_prefix,iwl_title);
	+CREATE UNIQUE INDEX /$wgDBprefix/iwl_prefix ON /$wgDBprefix/iwlinks(iwl_prefix,iwl_title);
	+
	+
	+--
	+-- Contains a single row with some aggregate info
	+-- ON the state of the site.
	+--
	+CREATE TABLE /$wgDBprefix/site_stats (
	+ ss_row_id INT NOT NULL DEFAULT 1 PRIMARY KEY,
	+ ss_total_views BIGINT DEFAULT 0,
	+ ss_total_edits BIGINT DEFAULT 0,
	+ ss_good_articles BIGINT DEFAULT 0,
	+ ss_total_pages BIGINT DEFAULT -1,
	+ ss_users BIGINT DEFAULT -1,
	+ ss_active_users BIGINT DEFAULT -1,
	+ ss_admins INT DEFAULT -1,
	+ ss_images INT DEFAULT 0,
	+);
	+
	+-- INSERT INTO site_stats DEFAULT VALUES;
	+
	+--
	+-- Stores an ID for every time any article is visited;
	+-- depending ON $wgHitcounterUpdateFreq, it is
	+-- periodically cleared and the page_counter column
	+-- in the page table updated for the all articles
	+-- that have been visited.)
	+--
	+CREATE TABLE /$wgDBprefix/hitcounter (
	+ hc_id BIGINT NOT NULL
	+);
	+
	+--
	+-- The Internet is full of jerks, alas. Sometimes it's handy
	+-- to block a vandal or troll account.
	+--
	+CREATE TABLE /$wgDBprefix/ipblocks (
	+ ipb_id INT NOT NULL PRIMARY KEY,
	+ ipb_address NVARCHAR(255) NOT NULL,
	+ ipb_user INT NOT NULL DEFAULT 0,
	+ ipb_by INT NOT NULL DEFAULT 0,
	+ ipb_by_text NVARCHAR(255) NOT NULL DEFAULT '',
	+ ipb_reason NVARCHAR(255) NOT NULL,
	+ ipb_timestamp DATETIME NOT NULL DEFAULT GETDATE(),
	+ ipb_auto BIT NOT NULL DEFAULT 0,
	+ ipb_anon_only BIT NOT NULL DEFAULT 0,
	+ ipb_create_account BIT NOT NULL DEFAULT 1,
	+ ipb_enable_autoblock BIT NOT NULL DEFAULT 1,
	+ ipb_expiry DATETIME NOT NULL DEFAULT GETDATE(),
	+ ipb_range_start NVARCHAR(32) NOT NULL DEFAULT '',
	+ ipb_range_end NVARCHAR(32) NOT NULL DEFAULT '',
	+ ipb_deleted BIT NOT NULL DEFAULT 0,
	+ ipb_block_email BIT NOT NULL DEFAULT 0,
	+ ipb_allow_usertalk BIT NOT NULL DEFAULT 0,
	+);
	+-- Unique index to support "user already blocked" messages
	+-- Any new options which prevent collisions should be included
	+--UNIQUE INDEX ipb_address (ipb_address(255), ipb_user, ipb_auto, ipb_anon_only),
	+CREATE UNIQUE INDEX /$wgDBprefix/ipb_address ON /$wgDBprefix/ipblocks(ipb_address, ipb_user, ipb_auto, ipb_anon_only);
	+CREATE INDEX /$wgDBprefix/ipb_user ON /$wgDBprefix/ipblocks(ipb_user);
	+CREATE INDEX /$wgDBprefix/ipb_range ON /$wgDBprefix/ipblocks(ipb_range_start, ipb_range_end);
	+CREATE INDEX /$wgDBprefix/ipb_timestamp ON /$wgDBprefix/ipblocks(ipb_timestamp);
	+CREATE INDEX /$wgDBprefix/ipb_expiry ON /$wgDBprefix/ipblocks(ipb_expiry);
	+;
	+
	+--
	+-- Uploaded images and other files.
	+CREATE TABLE /$wgDBprefix/image (
	+ img_name varchar(255) NOT NULL default '',
	+ img_size INT NOT NULL DEFAULT 0,
	+ img_width INT NOT NULL DEFAULT 0,
	+ img_height INT NOT NULL DEFAULT 0,
	+ img_metadata TEXT NOT NULL, -- was MEDIUMBLOB
	+ img_bits SMALLINT NOT NULL DEFAULT 0,
	+ img_media_type NVARCHAR(MAX) DEFAULT 'UNKNOWN',
	+ img_major_mime NVARCHAR(MAX) DEFAULT 'UNKNOWN',
	+ img_minor_mime NVARCHAR(MAX) NOT NULL DEFAULT 'unknown',
	+ img_description NVARCHAR(MAX) NOT NULL,
	+ img_user INT NOT NULL DEFAULT 0,
	+ img_user_text VARCHAR(255) NOT NULL DEFAULT '',
	+ img_timestamp DATETIME NOT NULL DEFAULT GETDATE(),
	+ img_sha1 VARCHAR(255) NOT NULL default '',
	+);
	+-- Used by Special:Imagelist for sort-by-size
	+CREATE INDEX /$wgDBprefix/img_size ON /$wgDBprefix/[image](img_size);
	+-- Used by Special:Newimages and Special:Imagelist
	+CREATE INDEX /$wgDBprefix/img_timestamp ON /$wgDBprefix/[image](img_timestamp)
	+CREATE INDEX /$wgDBprefix/[img_sha1] ON /wgDBprefix/[image](img_sha1)
	+
	+--
	+-- Previous revisions of uploaded files.
	+-- Awkwardly, image rows have to be moved into
	+-- this table at re-upload time.
	+--
	+CREATE TABLE /$wgDBprefix/oldimage (
	+ oi_name VARCHAR(255) NOT NULL DEFAULT '',
	+ oi_archive_name VARCHAR(255) NOT NULL DEFAULT '',
	+ oi_size INT NOT NULL DEFAULT 0,
	+ oi_width INT NOT NULL DEFAULT 0,
	+ oi_height INT NOT NULL DEFAULT 0,
	+ oi_bits SMALLINT NOT NULL DEFAULT 0,
	+ oi_description NVARCHAR(MAX) NOT NULL,
	+ oi_user INT NOT NULL DEFAULT 0,
	+ oi_user_text VARCHAR(255) NOT NULL DEFAULT '',
	+ oi_timestamp DATETIME NOT NULL DEFAULT GETDATE(),
	+ oi_metadata TEXT NOT NULL,
	+ oi_media_type NVARCHAR(MAX) DEFAULT 'UNKNOWN',
	+ oi_major_mime NVARCHAR(MAX) NOT NULL DEFAULT 'UNKNOWN',
	+ oi_minor_mime NVARCHAR(MAX) NOT NULL DEFAULT 'unknown',
	+ oi_deleted BIT NOT NULL default 0,
	+ oi_sha1 VARCHAR(255) NOT NULL default '',
	+);
	+CREATE INDEX /$wgDBprefix/oi_usertext_timestamp ON /$wgDBprefix/oldimage(oi_user_text,oi_timestamp);
	+CREATE INDEX /$wgDBprefix/oi_name_timestamp ON /$wgDBprefix/oldimage(oi_name, oi_timestamp);
	+CREATE INDEX /$wgDBprefix/oi_name_archive_name ON /$wgDBprefix/oldimage(oi_name,oi_archive_name);
	+CREATE INDEX /$wgDBprefix/[oi_sha1] ON /$wgDBprefix/oldimage(oi_sha1);
	+
	+--
	+-- Record of deleted file data
	+--
	+CREATE TABLE /$wgDBprefix/filearchive (
	+ fa_id INT NOT NULL PRIMARY KEY,
	+ fa_name NVARCHAR(255) NOT NULL DEFAULT '',
	+ fa_archive_name NVARCHAR(255) DEFAULT '',
	+ fa_storage_group NVARCHAR(16),
	+ fa_storage_key NVARCHAR(64) DEFAULT '',
	+ fa_deleted_user INT,
	+ fa_deleted_timestamp NVARCHAR(14) DEFAULT NULL,
	+ fa_deleted_reason NVARCHAR(255),
	+ fa_size SMALLINT DEFAULT 0,
	+ fa_width SMALLINT DEFAULT 0,
	+ fa_height SMALLINT DEFAULT 0,
	+ fa_metadata NVARCHAR(MAX), -- was mediumblob
	+ fa_bits SMALLINT DEFAULT 0,
	+ fa_media_type NVARCHAR(11) DEFAULT NULL,
	+ fa_major_mime NVARCHAR(11) DEFAULT 'unknown',
	+ fa_minor_mime NVARCHAR(32) DEFAULT 'unknown',
	+ fa_description NVARCHAR(255),
	+ fa_user INT DEFAULT 0,
	+ fa_user_text NVARCHAR(255) DEFAULT '',
	+ fa_timestamp DATETIME DEFAULT GETDATE(),
	+ fa_deleted BIT NOT NULL DEFAULT 0,
	+);
	+-- Pick by image name
	+CREATE INDEX /$wgDBprefix/filearchive_name ON /$wgDBprefix/filearchive(fa_name,fa_timestamp);
	+-- Pick by dupe files
	+CREATE INDEX /$wgDBprefix/filearchive_dupe ON /$wgDBprefix/filearchive(fa_storage_group,fa_storage_key);
	+-- Pick by deletion time
	+CREATE INDEX /$wgDBprefix/filearchive_time ON /$wgDBprefix/filearchive(fa_deleted_timestamp);
	+-- Pick by deleter
	+CREATE INDEX /$wgDBprefix/filearchive_user ON /$wgDBprefix/filearchive(fa_deleted_user);
	+
	+--
	+-- Primarily a summary table for Special:Recentchanges,
	+-- this table contains some additional info on edits from
	+-- the last few days, see Article::editUpdates()
	+--
	+CREATE TABLE /$wgDBprefix/recentchanges (
	+ rc_id INT NOT NULL,
	+ rc_timestamp DATETIME DEFAULT GETDATE(),
	+ rc_cur_time DATETIME DEFAULT GETDATE(),
	+ rc_user INT DEFAULT 0,
	+ rc_user_text NVARCHAR(255) DEFAULT '',
	+ rc_namespace SMALLINT DEFAULT 0,
	+ rc_title NVARCHAR(255) DEFAULT '',
	+ rc_comment NVARCHAR(255) DEFAULT '',
	+ rc_minor BIT DEFAULT 0,
	+ rc_bot BIT DEFAULT 0,
	+ rc_new BIT DEFAULT 0,
	+ rc_cur_id INT DEFAULT 0,
	+ rc_this_oldid INT DEFAULT 0,
	+ rc_last_oldid INT DEFAULT 0,
	+ rc_type tinyint DEFAULT 0,
	+ rc_moved_to_ns BIT DEFAULT 0,
	+ rc_moved_to_title NVARCHAR(255) DEFAULT '',
	+ rc_patrolled BIT DEFAULT 0,
	+ rc_ip NCHAR(40) DEFAULT '',
	+ rc_old_len INT DEFAULT 0,
	+ rc_new_len INT DEFAULT 0,
	+ rc_deleted BIT DEFAULT 0,
	+ rc_logid INT DEFAULT 0,
	+ rc_log_type NVARCHAR(255) NULL DEFAULT NULL,
	+ rc_log_action NVARCHAR(255) NULL DEFAULT NULL,
	+ rc_params NVARCHAR(MAX) DEFAULT '',
	+);
	+CREATE INDEX /$wgDBprefix/rc_timestamp ON /$wgDBprefix/recentchanges(rc_timestamp);
	+CREATE INDEX /$wgDBprefix/rc_namespace_title ON /$wgDBprefix/recentchanges(rc_namespace, rc_title);
	+CREATE INDEX /$wgDBprefix/rc_cur_id ON /$wgDBprefix/recentchanges(rc_cur_id);
	+CREATE INDEX /$wgDBprefix/new_name_timestamp ON /$wgDBprefix/recentchanges(rc_new,rc_namespace,rc_timestamp);
	+CREATE INDEX /$wgDBprefix/rc_ip ON /$wgDBprefix/recentchanges(rc_ip);
	+CREATE INDEX /$wgDBprefix/rc_ns_usertext ON /$wgDBprefix/recentchanges(rc_namespace, rc_user_text);
	+CREATE INDEX /$wgDBprefix/rc_user_text ON /$wgDBprefix/recentchanges(rc_user_text, rc_timestamp);
	+;
	+
	+CREATE TABLE /$wgDBprefix/watchlist (
	+ wl_user INT NOT NULL,
	+ wl_namespace SMALLINT NOT NULL DEFAULT 0,
	+ wl_title NVARCHAR(255) NOT NULL DEFAULT '',
	+ wl_notificationtimestamp NVARCHAR(14) DEFAULT NULL,
	+
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/namespace_title ON /$wgDBprefix/watchlist(wl_namespace,wl_title);
	+
	+--
	+-- Used by the math module to keep track
	+-- of previously-rendered items.
	+--
	+CREATE TABLE /$wgDBprefix/math (
	+ math_inputhash varbinary(16) NOT NULL PRIMARY KEY,
	+ math_outputhash varbinary(16) NOT NULL,
	+ math_html_conservativeness tinyint NOT NULL,
	+ math_html NVARCHAR(MAX),
	+ math_mathml NVARCHAR(MAX),
	+);
	+
	+-- Needs fulltext index.
	+CREATE TABLE /$wgDBprefix/searchindex (
	+ si_page INT NOT NULL unique REFERENCES /$wgDBprefix/page(page_id) ON DELETE CASCADE,
	+ si_title varbinary(max) NOT NULL,
	+ si_text varbinary(max) NOT NULL,
	+ si_ext CHAR(4) NOT NULL DEFAULT '.txt',
	+);
	+CREATE FULLTEXT CATALOG wikidb AS DEFAULT;
	+CREATE UNIQUE CLUSTERED INDEX searchindex_page ON searchindex (si_page);
	+CREATE FULLTEXT INDEX on searchindex (si_title TYPE COLUMN si_ext, si_text TYPE COLUMN si_ext)
	+KEY INDEX searchindex_page
	+;
	+
	+-- This table is not used unless profiling is turned on
	+CREATE TABLE profiling (
	+ pf_count INTEGER NOT NULL DEFAULT 0,
	+ pf_time NUMERIC(18,10) NOT NULL DEFAULT 0,
	+ pf_name NVARCHAR(200) NOT NULL,
	+ pf_server NVARCHAR(200) NULL
	+);
	+CREATE UNIQUE INDEX pf_name_server ON profiling (pf_name, pf_server);
	+
	+--
	+-- Recognized INTerwiki link prefixes
	+--
	+CREATE TABLE /$wgDBprefix/interwiki (
	+ iw_prefix NCHAR(32) NOT NULL PRIMARY KEY,
	+ iw_url NCHAR(127) NOT NULL,
	+ iw_api TEXT NOT NULL DEFAULT '',
	+ iw_wikiid NVARCHAR(64) NOT NULL DEFAULT '',
	+ iw_local BIT NOT NULL,
	+ iw_trans BIT NOT NULL DEFAULT 0,
	+);
	+
	+--
	+-- Used for caching expensive grouped queries
	+--
	+CREATE TABLE /$wgDBprefix/querycache (
	+ qc_type NCHAR(32) NOT NULL,
	+ qc_value INT NOT NULL DEFAULT '0',
	+ qc_namespace SMALLINT NOT NULL DEFAULT 0,
	+ qc_title NCHAR(255) NOT NULL DEFAULT '',
	+ CONSTRAINT /$wgDBprefix/qc_pk PRIMARY KEY (qc_type,qc_value)
	+);
	+
	+--
	+-- For a few generic cache operations if not using Memcached
	+--
	+CREATE TABLE /$wgDBprefix/objectcache (
	+ keyname NCHAR(255) NOT NULL DEFAULT '',
	+ [value] NVARCHAR(MAX), -- IMAGE,
	+ exptime DATETIME, -- This is treated as a DATETIME
	+);
	+CREATE CLUSTERED INDEX /$wgDBprefix/[objectcache_time] ON /$wgDBprefix/objectcache(exptime);
	+CREATE UNIQUE INDEX /$wgDBprefix/[objectcache_PK] ON /wgDBprefix/objectcache(keyname);
	+--
	+-- Cache of INTerwiki transclusion
	+--
	+CREATE TABLE /$wgDBprefix/transcache (
	+ tc_url NVARCHAR(255) NOT NULL PRIMARY KEY,
	+ tc_contents NVARCHAR(MAX),
	+ tc_time INT NOT NULL,
	+);
	+
	+CREATE TABLE /$wgDBprefix/logging (
	+ log_id INT PRIMARY KEY IDENTITY,
	+ log_type NCHAR(10) NOT NULL DEFAULT '',
	+ log_action NCHAR(10) NOT NULL DEFAULT '',
	+ log_timestamp DATETIME NOT NULL DEFAULT GETDATE(),
	+ log_user INT NOT NULL DEFAULT 0,
	+ log_user_text NVARCHAR(255) NOT NULL DEFAULT '',
	+ log_namespace INT NOT NULL DEFAULT 0,
	+ log_title NVARCHAR(255) NOT NULL DEFAULT '',
	+ log_page INT NULL DEFAULT NULL,
	+ log_comment NVARCHAR(255) NOT NULL DEFAULT '',
	+ log_params NVARCHAR(MAX) NOT NULL,
	+ log_deleted BIT NOT NULL DEFAULT 0,
	+);
	+CREATE INDEX /$wgDBprefix/type_time ON /$wgDBprefix/logging (log_type, log_timestamp);
	+CREATE INDEX /$wgDBprefix/user_time ON /$wgDBprefix/logging (log_user, log_timestamp);
	+CREATE INDEX /$wgDBprefix/page_time ON /$wgDBprefix/logging (log_namespace, log_title, log_timestamp);
	+CREATE INDEX /$wgDBprefix/times ON /$wgDBprefix/logging (log_timestamp);
	+CREATE INDEX /$wgDBprefix/log_user_type_time ON /$wgDBprefix/logging (log_user, log_type, log_timestamp);
	+CREATE INDEX /$wgDBprefix/log_page_id_time ON /$wgDBprefix/logging (log_page,log_timestamp);
	+
	+CREATE TABLE /$wgDBprefix/log_search (
	+ -- The type of ID (rev ID, log ID, rev timestamp, username)
	+ ls_field NVARCHAR(32) NOT NULL,
	+ -- The value of the ID
	+ ls_value NVARCHAR(255) NOT NULL,
	+ -- Key to log_id
	+ ls_log_id INT NOT NULL default 0,
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/ls_field_val ON /$wgDBprefix/log_search (ls_field,ls_value,ls_log_id);
	+CREATE INDEX /$wgDBprefix/ls_log_id ON /$wgDBprefix/log_search (ls_log_id);
	+
	+
	+CREATE TABLE /$wgDBprefix/trackbacks (
	+ tb_id INT PRIMARY KEY,
	+ tb_page INT REFERENCES /$wgDBprefix/page(page_id) ON DELETE CASCADE,
	+ tb_title NVARCHAR(255) NOT NULL,
	+ tb_url NVARCHAR(255) NOT NULL,
	+ tb_ex NVARCHAR(MAX),
	+ tb_name NVARCHAR(255),
	+);
	+CREATE INDEX /$wgDBprefix/trackbacks_page ON /$wgDBprefix/trackbacks(tb_page);
	+
	+-- Jobs performed by parallel apache threads or a command-line daemon
	+CREATE TABLE /$wgDBprefix/job (
	+ job_id INT NOT NULL PRIMARY KEY,
	+ job_cmd NVARCHAR(200) NOT NULL DEFAULT '',
	+ job_namespace INT NOT NULL,
	+ job_title NVARCHAR(200) NOT NULL,
	+ job_params NVARCHAR(255) NOT NULL,
	+);
	+CREATE INDEX /$wgDBprefix/job_idx ON /$wgDBprefix/job(job_cmd,job_namespace,job_title);
	+
	+-- Details of updates to cached special pages
	+CREATE TABLE /$wgDBprefix/querycache_info (
	+ qci_type NVARCHAR(32) NOT NULL DEFAULT '' PRIMARY KEY,
	+ qci_timestamp NVARCHAR(14) NOT NULL DEFAULT '19700101000000',
	+);
	+
	+-- For each redirect, this table contains exactly one row defining its target
	+CREATE TABLE /$wgDBprefix/redirect (
	+ rd_from INT NOT NULL DEFAULT 0 REFERENCES /$wgDBprefix/[page](page_id) ON DELETE CASCADE,
	+ rd_namespace SMALLINT NOT NULL DEFAULT '0',
	+ rd_title NVARCHAR(255) NOT NULL DEFAULT '',
	+ rd_interwiki NVARCHAR(32) DEFAULT NULL,
	+ rd_fragment NVARCHAR(255) DEFAULT NULL,
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/rd_ns_title ON /$wgDBprefix/redirect(rd_namespace,rd_title,rd_from);
	+
	+-- Used for caching expensive grouped queries that need two links (for example double-redirects)
	+CREATE TABLE /$wgDBprefix/querycachetwo (
	+ qcc_type NCHAR(32) NOT NULL,
	+ qcc_value INT NOT NULL DEFAULT 0,
	+ qcc_namespace INT NOT NULL DEFAULT 0,
	+ qcc_title NCHAR(255) NOT NULL DEFAULT '',
	+ qcc_namespacetwo INT NOT NULL DEFAULT 0,
	+ qcc_titletwo NCHAR(255) NOT NULL DEFAULT '',
	+ CONSTRAINT /$wgDBprefix/qcc_type PRIMARY KEY(qcc_type,qcc_value),
	+);
	+CREATE UNIQUE INDEX /$wgDBprefix/qcc_title ON /$wgDBprefix/querycachetwo(qcc_type,qcc_namespace,qcc_title);
	+CREATE UNIQUE INDEX /$wgDBprefix/qcc_titletwo ON /$wgDBprefix/querycachetwo(qcc_type,qcc_namespacetwo,qcc_titletwo);
	+
	+
	+--- Used for storing page restrictions (i.e. protection levels)
	+CREATE TABLE /$wgDBprefix/page_restrictions (
	+ pr_page INT NOT NULL REFERENCES /$wgDBprefix/page(page_id) ON DELETE CASCADE,
	+ pr_type NVARCHAR(200) NOT NULL,
	+ pr_level NVARCHAR(200) NOT NULL,
	+ pr_cascade SMALLINT NOT NULL,
	+ pr_user INT NULL,
	+ pr_expiry DATETIME NULL,
	+ pr_id INT UNIQUE IDENTITY,
	+ CONSTRAINT /$wgDBprefix/pr_pagetype PRIMARY KEY(pr_page,pr_type),
	+);
	+CREATE INDEX /$wgDBprefix/pr_page ON /$wgDBprefix/page_restrictions(pr_page);
	+CREATE INDEX /$wgDBprefix/pr_typelevel ON /$wgDBprefix/page_restrictions(pr_type,pr_level);
	+CREATE INDEX /$wgDBprefix/pr_pagelevel ON /$wgDBprefix/page_restrictions(pr_level);
	+CREATE INDEX /$wgDBprefix/pr_cascade ON /$wgDBprefix/page_restrictions(pr_cascade);
	+;
	+
	+-- Protected titles - nonexistent pages that have been protected
	+CREATE TABLE /$wgDBprefix/protected_titles (
	+ pt_namespace int NOT NULL,
	+ pt_title NVARCHAR(255) NOT NULL,
	+ pt_user int NOT NULL,
	+ pt_reason NVARCHAR(3555),
	+ pt_timestamp DATETIME NOT NULL,
	+ pt_expiry DATETIME NOT NULL default '',
	+ pt_create_perm NVARCHAR(60) NOT NULL,
	+ PRIMARY KEY (pt_namespace,pt_title),
	+);
	+CREATE INDEX /$wgDBprefix/pt_timestamp ON /$wgDBprefix/protected_titles(pt_timestamp);
	+;
	+
	+-- Name/value pairs indexed by page_id
	+CREATE TABLE /$wgDBprefix/page_props (
	+ pp_page int NOT NULL,
	+ pp_propname NVARCHAR(60) NOT NULL,
	+ pp_value NVARCHAR(MAX) NOT NULL,
	+ PRIMARY KEY (pp_page,pp_propname)
	+);
	+
	+-- A table to log updates, one text key row per update.
	+CREATE TABLE /$wgDBprefix/updatelog (
	+ ul_key NVARCHAR(255) NOT NULL,
	+ PRIMARY KEY (ul_key)
	+);
	+
	+-- NOTE To enable full text indexing on SQL 2008 you need to create an account FDH$MSSQLSERVER
	+-- AND assign a password for the FDHOST process to run under
	+-- Once you have assigned a password to that account, you need to run the following stored procedure
	+-- replacing XXXXX with the password you used.
	+-- EXEC sp_fulltext_resetfdhostaccount @username = 'FDH$MSSQLSERVER', @password = 'XXXXXX' ;
	+
	+
	+--- Add the full-text capabilities, depricated in SQL Server 2005, FTS is enabled on all user created tables by default unless you are using SQL Server 2005 Express
	+--sp_fulltext_database 'enable';
	+--sp_fulltext_catalog 'WikiCatalog', 'create'
	+--sp_fulltext_table
	+--sp_fulltext_column
	+--sp_fulltext_table 'Articles', 'activate'
	diff --git a/maintenance/rebuildrecentchanges.php b/maintenance/rebuildrecentchanges.php
	index 8bd0458..d38a75a 100644
	--- a/maintenance/rebuildrecentchanges.php
	+++ b/maintenance/rebuildrecentchanges.php
	@@ -66,6 +66,7 @@ class RebuildRecentchanges extends Maintenance {
	$cutoff = time() - $wgRCMaxAge;
	$dbw->insertSelect( 'recentchanges', array( 'page', 'revision' ),
	array(
	+ 'rc_id' => ( $dbw->nextSequenceValue( 'rc_rc_id_seq' ) > 0 ) ? $dbw->nextSequenceValue( 'rc_rc_id_seq' ) : 0,
	'rc_timestamp' => 'rev_timestamp',
	'rc_cur_time' => 'rev_timestamp',
	'rc_user' => 'rev_user',

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