-<?
-global $IP;
-include_once( "$IP/FulltextStoplist.php" );
+<?php
+# $Id$
+
+# Backwards compatibility wrapper for Database.php
+
+# I imagine this file will eventually become a backwards
+# compatibility wrapper around a load balancer object, and
+# the load balancer will finally call Database, which will
+# represent a single connection
+
+# NB: This file follows a connect on demand scheme. Do
+# not access the $wgDatabase variable directly unless
+# you intend to set it. Use wfGetDB().
+
+$wgIsMySQL=false;
+$wgIsPg=false;
+
+if ($wgDBtype=="mysql") {
+ require_once( "Database.php" );
+ $wgIsMySQL=true;
+} elseif ($wgDBtype=="pgsql") {
+ require_once( "DatabasePostgreSQL.php" );
+ $wgIsPg=true;
+}
+
+# Query the database
+# $db: DB_READ = -1 read from slave (or only server)
+# DB_WRITE = -2 write to master (or only server)
+# 0,1,2,... query a database with a specific index
+# Replication is not actually implemented just yet
+# Usually aborts on failure
+# If errors are explicitly ignored, returns success
+function wfQuery( $sql, $db, $fname = "" )
+{
+ global $wgDatabase, $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname,
+ $wgDebugDumpSql, $wgBufferSQLResults, $wgIgnoreSQLErrors;
+
+ if ( !is_numeric( $db ) ) {
+ # Someone has tried to call this the old way
+ $wgOut->fatalError( wfMsgNoDB( "wrong_wfQuery_params", $db, $sql ) );
+ }
-$wgLastDatabaseQuery = "";
+ $db =& wfGetDB();
+ return $db->query( $sql, $fname );
+}
-function wfGetDB( $altuser = "", $altpassword = "" )
+# Connect on demand
+function &wfGetDB()
{
- global $wgDBserver, $wgDBuser, $wgDBpassword;
- global $wgDBname, $wgDBconnection, $wgEmergencyContact;
+ global $wgDatabase, $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname,
+ $wgDebugDumpSql, $wgBufferSQLResults, $wgIgnoreSQLErrors;
+ if ( !$wgDatabase ) {
+ $wgDatabase = Database::newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword,
+ $wgDBname, false, $wgDebugDumpSql, $wgBufferSQLResults, $wgIgnoreSQLErrors );
+ }
+ return $wgDatabase;
+}
+
+# Turns buffering of SQL result sets on (true) or off (false). Default is
+# "on" and it should not be changed without good reasons.
+# Returns the previous state.
- $noconn = str_replace( "$1", $wgDBserver, wfMsg( "noconnect" ) );
- $nodb = str_replace( "$1", $wgDBname, wfMsg( "nodb" ) );
+function wfBufferSQLResults( $newstate )
+{
+ $db =& wfGetDB();
+ return $db->setBufferResults( $newstate );
+}
- $helpme = "\n<p>If this error persists after reloading and clearing " .
- "your browser cache, please notify the <a href=\"mailto:" .
- $wgEmergencyContact . "\">Wikipedia developers</a>.</p>";
+# Turns on (false) or off (true) the automatic generation and sending
+# of a "we're sorry, but there has been a database error" page on
+# database errors. Default is on (false). When turned off, the
+# code should use wfLastErrno() and wfLastError() to handle the
+# situation as appropriate.
+# Returns the previous state.
- if ( $altuser != "" ) {
- $wgDBconnection = mysql_connect( $wgDBserver, $altuser, $altpassword )
- or die( "bad sql user" );
- mysql_select_db( $wgDBname, $wgDBconnection ) or die(
- htmlspecialchars(mysql_error()) );
- }
+function wfIgnoreSQLErrors( $newstate )
+{
+ $db =& wfGetDB();
+ return $db->setIgnoreErrors( $newstate );
+}
- if ( ! $wgDBconnection ) {
- $wgDBconnection = mysql_pconnect( $wgDBserver, $wgDBuser,
- $wgDBpassword ) or die( $noconn .
- "\n<p><b>" . htmlspecialchars(mysql_error()) . "</b></p>\n" . $helpme );
- if( !mysql_select_db( $wgDBname, $wgDBconnection ) ) {
- wfDebug( "Persistent connection is broken?\n", true );
-
- $wgDBconnection = mysql_connect( $wgDBserver, $wgDBuser,
- $wgDBpassword ) or die( $noconn .
- "\n<p><b>" . htmlspecialchars(mysql_error()) . "</b> (tried non-p connect)</p>\n" . $helpme );
- mysql_select_db( $wgDBname, $wgDBconnection ) or die( $nodb .
- "\n<p><b>" . htmlspecialchars(mysql_error()) . "</b> (tried non-p connect)</p>\n" . $helpme );
- }
- }
- # mysql_ping( $wgDBconnection );
- return $wgDBconnection;
+function wfFreeResult( $res )
+{
+ $db =& wfGetDB();
+ $db->freeResult( $res );
+}
+
+function wfFetchObject( $res )
+{
+ $db =& wfGetDB();
+ return $db->fetchObject( $res );
}
-function wfQuery( $sql, $fname = "" )
+function wfFetchRow( $res )
{
- global $wgLastDatabaseQuery, $wgOut;
-## wfProfileIn( "wfQuery" );
- $wgLastDatabaseQuery = $sql;
+ $db =& wfGetDB();
+ return $db->fetchRow ( $res );
+}
- $conn = wfGetDB();
- $ret = mysql_query( $sql, $conn );
+function wfNumRows( $res )
+{
+ $db =& wfGetDB();
+ return $db->numRows( $res );
+}
- if ( "" != $fname ) {
-# wfDebug( "{$fname}:SQL: {$sql}\n", true );
- } else {
-# wfDebug( "SQL: {$sql}\n", true );
- }
- if ( false === $ret ) {
- $wgOut->databaseError( $fname );
- exit;
- }
-## wfProfileOut();
- return $ret;
+function wfNumFields( $res )
+{
+ $db =& wfGetDB();
+ return $db->numFields( $res );
+}
+
+function wfFieldName( $res, $n )
+{
+ $db =& wfGetDB();
+ return $db->fieldName( $res, $n );
+}
+
+function wfInsertId()
+{
+ $db =& wfGetDB();
+ return $db->insertId();
+}
+function wfDataSeek( $res, $row )
+{
+ $db =& wfGetDB();
+ return $db->dataSeek( $res, $row );
+}
+
+function wfLastErrno()
+{
+ $db =& wfGetDB();
+ return $db->lastErrno();
}
-function wfFreeResult( $res ) { mysql_free_result( $res ); }
-function wfFetchObject( $res ) { return mysql_fetch_object( $res ); }
-function wfNumRows( $res ) { return mysql_num_rows( $res ); }
-function wfNumFields( $res ) { return mysql_num_fields( $res ); }
-function wfFieldName( $res, $n ) { return mysql_field_name( $res, $n ); }
-function wfInsertId() { return mysql_insert_id( wfGetDB() ); }
-function wfDataSeek( $res, $row ) { return mysql_data_seek( $res, $row ); }
-function wfLastErrno() { return mysql_errno(); }
-function wfLastError() { return mysql_error(); }
+function wfLastError()
+{
+ $db =& wfGetDB();
+ return $db->lastError();
+}
+
+function wfAffectedRows()
+{
+ $db =& wfGetDB();
+ return $db->affectedRows();
+}
function wfLastDBquery()
{
- global $wgLastDatabaseQuery;
- return $wgLastDatabaseQuery;
+ $db =& wfGetDB();
+ return $db->lastQuery();
}
function wfSetSQL( $table, $var, $value, $cond )
{
- $sql = "UPDATE $table SET $var = '" .
- wfStrencode( $value ) . "' WHERE ($cond)";
- wfQuery( $sql, "wfSetSQL" );
+ $db =& wfGetDB();
+ return $db->set( $table, $var, $value, $cond );
}
-function wfGetSQL( $table, $var, $cond )
+function wfGetSQL( $table, $var, $cond="" )
{
- $sql = "SELECT $var FROM $table WHERE ($cond)";
- $result = wfQuery( $sql, "wfGetSQL" );
-
- $ret = "";
- if ( mysql_num_rows( $result ) > 0 ) {
- $s = mysql_fetch_object( $result );
- $ret = $s->$var;
- mysql_free_result( $result );
- }
- return $ret;
+ $db =& wfGetDB();
+ return $db->get( $table, $var, $cond );
}
-function wfStrencode( $s )
+function wfFieldExists( $table, $field )
{
- return addslashes( $s );
+ $db =& wfGetDB();
+ return $db->fieldExists( $table, $field );
}
-# Ideally we'd be using actual time fields in the db
-function wfTimestamp2Unix( $ts ) {
- return gmmktime( ( (int)substr( $ts, 8, 2) ),
- (int)substr( $ts, 10, 2 ), (int)substr( $ts, 12, 2 ),
- (int)substr( $ts, 4, 2 ), (int)substr( $ts, 6, 2 ),
- (int)substr( $ts, 0, 4 ) );
+function wfIndexExists( $table, $index )
+{
+ $db =& wfGetDB();
+ return $db->indexExists( $table, $index );
}
-function wfUnix2Timestamp( $unixtime ) {
- return gmdate( "YmdHis", $unixtime );
+function wfInsertArray( $table, $array )
+{
+ $db =& wfGetDB();
+ return $db->insertArray( $table, $array );
}
-function wfTimestampNow() {
- # return NOW
- return gmdate( "YmdHis" );
+function wfGetArray( $table, $vars, $conds, $fname = "wfGetArray" )
+{
+ $db =& wfGetDB();
+ return $db->getArray( $table, $vars, $conds, $fname );
}
-# Sorting hack for MySQL 3, which doesn't use index sorts for DESC
-function wfInvertTimestamp( $ts ) {
- return strtr(
- $ts,
- "0123456789",
- "9876543210"
- );
+function wfUpdateArray( $table, $values, $conds, $fname = "wfUpdateArray" )
+{
+ $db =& wfGetDB();
+ $db->updateArray( $table, $values, $conds, $fname );
}
?>